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Best Conductivity Meters & Accessories - Buying Guide

Last Updated: 03/24/2019

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Bestselling Conductivity Meters & Accessories on Amazon

  1. Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in...
  2. Professional TDS ppm Conductivity Meter - Quick and Easy EC TDS and Temperature Test Pen | 0-9999 pp...
  3. Digital TDS Meter, Accurate and Reliable, HoneForest TDS, EC & Temp Meter 3 in 1, 0-9990ppm, Ideal W...
  4. TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990pp...
  5. 3 in 1 TDS Meter, Govee Accurate Water Quality Tester with Backlit Screen, TDS, EC and Temperature B...
  6. eSeasongear SALT-3050 Waterproof Tester, Digital Salinity PPM Temperature Meter for Salt Water Pool ...
  7. HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy
  8. KETOTEK Digital Water TDS Tester PH Tester, TDS Meter has TDS-EC-Temp (3-in-1) and 2% Accuracy, PH ...
  9. TDS Meter, Sonkir 3-in-1 TDS/EC/Temp Meter, Digital Water Quality Tester for Drinking Water Purity T...
  10. FrideMok TDS Meter Digital Water Tester,Professional 3 in 1 TDS/EC/Temp Meter,0-9999ppm, Ideal Water...

  #1

Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

Model: HFTDS-M7   |    Mpn: HFTDS-M7   |    Ean: 0685642943528   |    PartNumber: HFTDS-M7   |   Asin: B073713G5F

Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function, 3 years warranty and 90 days money back guarantee.
This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen.

Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponic, Pool & Spa, Colloidal Silver, Water Treatment and more.
It's a must have handy tool for every household, testing for tap water, filtered water, distilled water, bottled water, well water, refrigerated water, etc.

Features:
* Automatic Temperature Compensation(ATC)
* Equipped with backlit LCD for easy reading.
If TDS 40, the backlit color is green,
If TDS>40, the backlit color is red.
* Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record.
* Hold Function: Before reading locked automatically, the reading can be locked manually if press "HOLD".
* Factory Calibrated: No need calibration by user.
* Auto-Off in 2 Minutes to conserve battery.
* A colorful TDS chart on the back to explains ppm readings.
* Includes a protective carrying case with belt clip, easy to carry.

Specifications:
* Measuring Range:
TDS: 0 - 9990 ppm (parts per million)
Conductivity: 0 - 9990 s/cm
Degrees Celsius: 0.1 - 50.0 C
Fahrenheit: 32.0 - 122.0 F
* Accuracy: 2% F.S
* Net Weight:1.62oz(46g)
* Size:6.29 x 1.14 x 0.59 inches (160x29x15mm)

Package Including:
1x TDS Meter
1x HoneForest Instruction
1x portable leather bag
1x HoneForest color box

Features

  • ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
  • MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
  • EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
  • MULTIPURPOSE TDS TESTER: Test drinking water purity to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc.
  • 3 YEARS WARRANTY. And we offer 90 days Money Back Guarantee if not totally happy with the digital TDS water tester meter.
  • See more on Amazon...

Brand: HoneForest   |   Manufacturer: HoneForest

Item Dimensions: 0.59 x 1.14 x 6.29 inches (1.5 x 2.9 x 16.0 cm)   |   Package Dimensions: 1 x 1.5 x 6.5 inches (2.5 x 3.8 x 16.5 cm)

Amazon Price: $14.97 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $14.97 | Used Price: $20.00

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  #2

Professional TDS ppm Conductivity Meter - Quick and Easy EC TDS and Temperature Test Pen | 0-9999 ppm with 2% Accuracy | Perfect 3-in-1 Tester For Ro Water Aquarium Hydroponics Coffee Pool etc.

Model: 3-in-1 TDS&EC   |    Mpn: FBA_TDS & EC   |    Ean: 0646437729567   |    PartNumber: FBA_TDS & EC   |   Asin: B01FPG89CE

Health Metric Water Quality Tester: A Must For Any House Tool Kit! Do you think that your water filtration system needs replacement but you are not sure about it? Meet The Health Metric TDS-EC Meter, Designed To Answer Your Questions In The Most Accurate Way! This 3-in-1 water quality meter is designed to offer you readings with unmatched accuracy: TDS Meter: Measures Total Dissolved solids such as minerals, salinity, metals, cations or anions dissolved in water. EC Meter: Measures the electrical conductivity in a solution, with great applications on hydroponics, aquaculture and freshwater systems to monitor the amount of nutrients, salts, chlorine levels or other impurities in the water. Thermometer: Precise results from 0.1-80.0 C (32.0 -176.0 F). Unlike most similar instruments that measure just one or two of the above values, this smart tool analyses all the elements found in water, giving you significant and reliable results about its purity. A Versatile Tool That Saves You Money While Providing The Best For Your Health! With this smart pen you can check any time on your water filtration, or reverse osmosis system to see whether it's time to renew your filters or not, ensuring that you and your family won't be exposed to unhygienic drinking water. This meter can also be of great help for farmers or gardeners as they can maintain the correct level of nutrients in the solution, which is the key for growing plants. And if you have an aquarium, this meter is the best way to ensure that your exotic fish will grow healthy and survive. Don't Squander It - Order Today!

Features

  • QUICK AND EASY TO USE - Measure your water quality within seconds. Simply dip the meter into the water, gently stir, and lock the results on the screen. Our easy to follow instructions make this factory calibrated TDS meter super convenient to use, whether at home or on the go.
  • UP TO 20% BETTER ACCURACY: The advanced 3-in-1 smartpen combines TDS, EC, and a temperature meter for improved accuracy. With an Automatic Temperature Compensation and the measuring range of 0-9999 ppm +/- 2%, it is an extremely handy device to have around.
  • FREE TDS E-BOOK: As a special thank you, we will send you a free TDS Testing Guide (PDF) including useful tips and insights from qualified water experts. This will help you navigate the world of TDS testing with an ease.
  • EXCELLENT VALUE - Our TDS meter provides a cost-effective way to regularly measure the effectiveness of RO/DI systems, water quality in pools and aquariums, hydroponic nutrient balance and much more. The strong Titanium alloy probe keeps it functioning for years to come.
  • DEDICATED TEAM OF EXPERTS - You can always count on our team of EPA experts, with more than 30 years of expertise in the water quality industry. If you have any questions or problems, simply get in touch with us and we'll help you get it right.
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Brand: Health Metric    |   Manufacturer: Health Metric

Package Dimensions: 0.8 x 1.3 x 6.2 inches (2.0 x 3.3 x 15.7 cm)

Amazon Price: $15.87 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $34.97 | Used Price: $14.55

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  #3

Digital TDS Meter, Accurate and Reliable, HoneForest TDS, EC & Temp Meter 3 in 1, 0-9990ppm, Ideal Water Tester PPM Meter(Green)

 Ean: 0663751292478   |    PartNumber: HFTDS-G7   |   Asin: B07CWDVJY9

Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function, 3 years warranty and 90 days money back guarantee.
This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen.

Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponics, Pool & Colloidal Silver, Water Treatment and more.
It's a must have handy tool for every household, testing for tap water, filtered water, distilled water, bottled water, well water, refrigerated water, etc.

Features:
* Automatic Temperature Compensation(ATC)
* Equipped with backlit LCD for easy reading.
If TDS 40, the backlit color is green,
If TDS>40, the backlit color is red.
* Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record.
* Hold Function: Before reading locked automatically, the reading can be locked manually if press "HOLD".
* Factory Calibrated: No need calibration by user.
* Auto-Off in 2 Minutes to conserve battery.
* A colorful TDS chart on the back to explains ppm readings.
* Includes a protective carrying case with belt clip, easy to carry.

Specifications:
* Measuring Range:
TDS: 0 - 9990 ppm (parts per million)
Conductivity: 0 - 9990 s/cm
Degrees Celsius: 0.1 - 50.0 C
Fahrenheit: 32.0 - 122.0 F
* Accuracy: 2% F.S
* Net Weight:1.62oz(46g)
* Size:6.29 x 1.14 x 0.59 inches (160x29x15mm)

Package Including:
1x TDS Meter(green)
1x HoneForest Instruction
1x portable leather bag
1x HoneForest color box

Features

  • ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
  • MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
  • EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
  • MULTIPURPOSE TDS TESTER: Test drinking water purity to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients) and pool, etc.
  • 3 YEARS WARRANTY. And we offer 90 days Money Back Guarantee if not totally happy with the digital TDS water tester meter.
  • See more on Amazon...

Brand: HoneForest   |   Manufacturer: HoneForest

Item Dimensions: 1.18 x 1.65 x 6.69 inches (3.0 x 4.2 x 17.0 cm)   |   Package Dimensions: 1.2 x 2 x 6.6 inches (3.0 x 5.1 x 16.8 cm)

Amazon Price: $14.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $36.98

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  #4

TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums ( Free CR2032 Battery)

 Ean: 8011509090999   |    PartNumber: tds meter   |   Asin: B07K21ZJTQ

What Is TDS and Why Should You Care
TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. The lower the TDS level in the water, the more efficiently your bodys cells can use the water. Conversely, higher TDS levels can indicate water that is more difficult for your body to use and has more contaminants that can pose health risks.

Quick And Easy To Use
This certified ppm meter has Automatic Temperature Compensation (ATC). It is factory calibrated, but can also be calibrated by the user. The titanium probe on water meter's sensor allows for accurate and quick readings. Data hold function allows you to saves measurements for convenient reading and recording. Whenever it becomes to water testing, it is an extremely handy device to have around the house.

A Must-Have Tool for RO Systems
The water test meter is the perfect tool for measuring and tracking your waters levels of TDS to make sure your water filter is doing its job. With this meter, you wont just need to take the filter manufacturers word that it reduces TDS in your water; you can put it to the test!

Multipurpose TDS Pen
This water quality test meter is ideal for all water purification applications, drinking water, water filtration and purification, hydroponics (test your nutrients), colloidal silver, aquariums, pools and spas, and more. (The water quality tester does not test for biological contaminants.)

Measuring Range:
TDS: 0 - 9990 ppm (parts per million)
Conductivity: 0 - 9990 s/cm
Degrees Celsius: 0.1 - 50.0 C
Fahrenheit: 32.0 - 122.0 F
Accuracy: 2% F.S

How to use:
1 Remove the protective case and press ON/OFF button.
2 Immerse the TDS meter into the water.
3 Stirring the water tester and waiting the display stabilizes.
4 Wipe the meter with towel.
5 Press ON/OFF for 3 seconds and it will shut down.

Features

  • 4-in-1 FUNCTION - It is designed to test TDS(Total Dissolved Solids) and EC(Electrical Conductivity) of water for the purpose of purity. Temperature of water could also be examined. Measuring range: TDS: 0 - 9999 ppm; conductivity: 0 - 9999 s/cm; temperature: 32 - 210 F/ 0 - 99 C; accuracy: 2% F.S.
  • ACCURATE AND RELIABLE - This advanced meter features Automatic Temperature Compensation(ATC) which means it automatically compensates for solution temperatures within a range of 32 122 , and is equipped with a high-quality titanium alloy probe to ensure you get a accurate.
  • EASY AND INSTANTLY - Just stick it in about 1 inch of water, then stabilized readings will be auto-locked on LCD in seconds, TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording.
  • LCD BACKLIGHT DESIGN - The meter uses low-power backlight technology to easily test water at night and in dark places. In addition, it can also be used to distinguish between drinking water and non-drinking water. Red backlight (ppm>40) means this is non-drinking water.
  • WHAT YOU GET - TDS water tester, CR2032 battery, user manual, portable leather bag, our fan-favorite 12-month warranty and friendly customer service.
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Brand: jiuhongxing   |   Manufacturer: jiuhongxing

Package Dimensions: 0.7 x 2.77 x 6.7 inches (1.8 x 7.0 x 17.0 cm)

Amazon Price: $10.95 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 1-2 business days
List Price: $11.95

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  #5

3 in 1 TDS Meter, Govee Accurate Water Quality Tester with Backlit Screen, TDS, EC and Temperature Between 0-9999 ppm Portable Water Tester with ATC for Drinking Water, Aquariums, Water Test Kit

 Ean: 0667581452880   |   Asin: B07DWP6TGQ


Description
This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen.
Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponic, Pool & Spa, Colloidal Silver, Water Treatment and more. It's a must have handy tool for every household, testing for tap water, filtered water, distilled water, bottled water, well water, refrigerated water, etc. Features:
* Automatic Temperature Compensation(ATC)
* Equipped with backlit LCD for easy reading.
If TDS 40, the backlit color is green,
If TDS>40, the backlit color is red.
* Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record.
* Hold Function: Before reading locked automatically, the reading can be locked manually if press "HOLD".
* Factory Calibrated: No need to calibrate after receiving.
* Auto-Off in 2 Minutes to conserve battery.
* Includes a protective carrying case with belt clip, easy to carry. How to use:
1, Remove the protective case and press ON/OFF button.
2, Immerse the TDS meter into the water.
3, Stirring the water tester and waiting the display stabilizes.
4, Wipe the meter with towel.
5, Press ON/OFF for 3 seconds and it will shut down. Note:
1, Don not drop the entire TDS meter in the water or dip beyond the maximum immersion level.
2, Do not store the water tester under high temperature or direct sunlight.
3, Do not strike, press or flop.
Specifications:
* Measuring Range:
TDS: 0 - 9999 ppm (parts per million)
Conductivity: 0 - 9999 s/cm
Degrees Celsius: 0.1 - 00.0 C
Fahrenheit: 32.0 - 212.0 F
* Accuracy: 2% F.S

Features

  • High Accuracy With premium quality titanium alloy probe and ACT(Automatic Temperature Compensation) function, the water quality tester reads accurately at various temperatures.
  • 3 in 1 Function This TDS meter can test TDS EC and temperature. Its measuring range of TDS is 0-9999 ppm with accuracy: 2%, while the EC range 0-9999 us/cm and the temp range is 32.0-212 F- 0-99.0 C with accuracy 0.1 .
  • Auto Hold and Turn Off The reading result will be auto-locked on LCD in seconds. To safe the power supply, the water tester will shut down automatically after 2 minutes stand by.
  • Upgrade LCD Backlit Display Unlike traditional screen, the water tester designed with advance LCD backlit display, which is easier and clearer to be read. Govee product includes 1 year warranty.
  • Compact Design Come with a leather case, this TDS meter is portable to be carry away. You can test water anywhere to get the purest drinking water.
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Brand: MINGER   |   Manufacturer: MINGER

Package Dimensions: 0.8 x 2.7 x 6.5 inches (2.0 x 6.9 x 16.5 cm)

Amazon Price: $12.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #6

eSeasongear SALT-3050 Waterproof Tester, Digital Salinity PPM Temperature Meter for Salt Water Pool and Koi Fish Pond

Model: SALT-3050   |    Mpn: 4316531064   |    Ean: 0647608367427   |    PartNumber: 4316531064   |   Asin: B01BXDTSXW

eSeasongear SALT-3050 Waterproof Digital Salt Salinity Temperature Meter Tester *** Works ONLY for Salt Water Pool and Koi Fish Pond Salt level testing! *** Will NOT work for Sea/Marine/Salt Water Fish Tank Salt level testing! *** Will NOT work for Food salt level testing! *** Will NOT work for any other application! *** Salt Range: 0-5000ppm or 0-5.0 ppt; Temperature Range: 1-80 C or 33-176 F *** The SALT-3050 is water-resistant and will float if you accidentally drop it in pool or pond. Please take it out from water ASAP since it is not rated to the IP-67 waterproof rating. *** The SALT-3050 is precalibrated at 3000ppm salt for pool and pond testing. *** This meter is better than the KoiMedic Koi Medic Salt Meter - Electronic Pond Water Salt Level Tester. *** The 3000ppm calibration solution is available if needed for recalibration. *** eSeasongear is a registered trademark of All Water Care, Inc.

Features

  • Precalibrated at 3000 ppm salt (NaCl)
  • Built-in ATC sensor for automatic temperature compensation
  • Built-in salt (NaCl) conversion factor for meter calibration
  • Salt Range: 0-5000ppm or 0.0-0.5%
  • Temperature Range: 1-80 C or 33-176 F
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Brand: eSeasonGear   |   Manufacturer: eSeasongear

Amazon Price: $37.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $37.99

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  #7

HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

Model: 716186   |    Mpn: DM-1   |    Ean: 0647608367489   |    PartNumber: DM-1   |   Asin: B001EHAZGW

Product Description: How Pure is Your Water? HM Digital's DM-1 is a dual inline monitor that measures TDS from 0 to 9990 ppm. It includes batteries, two sensors and two 1/4" quick-connect T-fittings. The DM-1 is an easy and convenient method of determining TDS levels for water filtration/purification systems such as reverse osmosis (RO), deionization (DI) and more. It's very useful for coolers or under-the-sink systems. For any type of system that removes TDS, you can install the 'IN' sensor on your tap water (before the system) and the 'OUT' sensor on your product water (after your filtration system) to determine the filter/membrane's effective operating (rejection) rate.

Features

  • The DM-1 helps you to measure the tap water coming in vs the purified water going out of your water filtration system at any time
  • The In-Line Dual TDS Meter displays TDS levels of the feed water and product water with in and out electrode probes
  • This TDS Monitor is highly efficient and accurate due to its advanced microprocessor technology
  • Highly efficient and accurate due to its advanced microprocessor technology
  • Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use
  • Installs quickly and easily
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Brand: HM Digital   |   Manufacturer: HM Digital, Inc.

Item Dimensions: 3 x 0.8 x 1.9 inches (7.6 x 2.0 x 4.8 cm)   |   Package Dimensions: 0.7 x 4.3 x 6 inches (1.8 x 10.9 x 15.2 cm)

Amazon Price: $20.39 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 1-2 business days
List Price: $43.90 | Used Price: $19.27

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  #8

KETOTEK Digital Water TDS Tester PH Tester, TDS Meter has TDS-EC-Temp (3-in-1) and 2% Accuracy, PH Meter with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums, Hydroponics

 PartNumber: PH-TDS-EC-TEMP   |   Asin: B07JVQC5MK

TDS METER
Specifications:

Measurement range:
- Conductivity (EC): 0 - 9 999 s/cm
- TDS: 0 - 9 999ppm (Parts per million)
- Fahrenheit: 32.0 - 176.0 F
- Degree Celsius: 0.1 - 80.0 C
Accuracy: 2%
Power Supply: 1*3V (Cr2032 Button cell) (Included)
Operating Temperature: 32 - 122 F
Dimension: 153mm*30mm*14mm / 6.02" 1.18" 0.55"
Net Weight: 55g / 1.94oz
Features:
Automatic Temperature Compensation (ATC)
One button (HOLD) lock the testing result
One button (SHIFT) switch the 4 display modes: TDS - ppm & C, EC - s/cm & C, TDS - ppm & F, EC - s/cm & F
Automatic shut-off after 5minutes with inactive
Non-Calibration required: TDS meter had been calibrated in producing

PH METER
Specifications:

Measure range: 0.00- 14.00PH
Resolution: 0.01PH
Accuracy: 0.01 PH
Power Supply: 2*1.5V (LR44 Button cell) (Included)
Operating Temperature: 0 F - 140 F
Dimension: 155mm* 31mm * 18mm / 6.10" 1.22" 0.71"
Weight: 50g / 1.76oz
Features:
Automatic Temperature Compensation (ATC)
One button (CAL) calibrate the PH meter
Automatic shut-off after 5minutes with inactive
Calibration:
a.Dissolve PH buffer powder in 250ml of distilled water.
b. Turn on PH meter and clean the electrode in distilled water, then immerse the electrode in the PH standard solution.
c. Press "CAL" button, make the reading equal to standard buffer solution PH 6.86, 4.01 or 9.18.
d. Clean electrode with distilled water and dry it.

PACKAGING:
1 TDS meter
1 PH meter
2 PH Calibration Packets
2 User's manual

Features

  • EASY TO USE. Just need to press "ON/OFF" to open and use it, and just need to press "ON/OFF" to close it. Easy to get the accurate testing result.
  • WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm, 0-9999 s/cm and 2% accuracy, TDS meter can also test the liquid temperature in Fahrenheit or degree Celsius. PH meter has measurement range 0.00- 14.00PH, 0.01PH accuracy and 0.01PH resolution.
  • AUTO-OFF FUNCTION. TDS pen meter and PH pen meter both have the function of Auto-off, it will automatically shut off after 5 minutes of inactivity to save the battery's life.
  • AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won't be influenced by the water temperature, no matter testing the TDS-EC or PH of the water.
  • SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as pen, they are easy to be carried, and convenient for you to take it in your pocket when you go out.
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Brand: KETOTEK   |   Manufacturer: KETOTEK

Package Dimensions: 1.4 x 3.3 x 6.7 inches (3.6 x 8.4 x 17.0 cm)

Amazon Price: $19.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #9

TDS Meter, Sonkir 3-in-1 TDS/EC/Temp Meter, Digital Water Quality Tester for Drinking Water Purity Test, Swimming Pools, Aquariums, Hydroponics, Measure 0-9999ppm (White)

 PartNumber: TDS   |   Asin: B07M6MVKQN

Backlight Warning Function
Refer to the international standard, TDS value of 40 is the critical point for the purity of water. The lower the TDS level, the purer the water.
If TDS value is above 40, normally it indicates the water is very likely unsuitable for drinking, and hence the backlight of the LCD will turn out to be red while the test result of TDS is above 40.
However, the water with TDS value below 40 does not necessarily mean it is drinkable since there are various factors (e.g. bacteria amount) would determine whether the water is safe or not.

Automatic Temperature Compensation (ATC) Function
Since TDS value would be affected by temperature, this meter is equipped with Automatic Temperature Compensation (ATC) function for the highest accuracy purpose.

Specifications
Measuring Range:
TDS: 0 - 9999 ppm (parts per million)
Conductivity: 0 - 9999 s/cm
Degrees Celsius: 0 - 99 C
Degrees Fahrenheit: 32 - 210 F
Accuracy: 2% F.S
Battery: CR2032, DC3V; 230mAh
Working Temperature: 32 - 122 F
Net Weight: 1.45oz(41g)
Size: 6.39 x 1.16 x 0.64 inches

How to Use
Step 1: Take off the protective cap and press ON/OFF button
Step 2: Immerse the meter electrode into the solution and gently stir
Step 3: Wait for the reading to stabilize and check the reading
Step 4: After finishing, clean the electrode by pure or distilled water and dry it before replacing the cap
Step 5: Press the ON / OFF button for 2 seconds to turn off manually

Warranty Policy
- Industry-leading 12-Month Money Back Warranty
- After-sale Service: support@sonkir-mall.com

Features

  • Accurate and Reliable: This advanced meter features Automatic Temperature Compensation(ATC) which means it automatically compensates for solution temperatures within a range of 32 122 , and is equipped with a high-quality titanium alloy probe to ensure you get a accurate and reliable reading without any worry
  • 3-in-1 Function: It is designed to test TDS(Total Dissolved Solids) and EC(Electrical Conductivity) of water for the purpose of purity. Temperature of water could also be examined. Measuring range: TDS: 0 - 9999 ppm; conductivity: 0 - 9999 s/cm; temperature: 32 - 210 F/ 0 - 99 C; accuracy: 2% F.S
  • LCD Backlight Design: The meter uses low-power backlight technology to easily test water at night and in dark places. In addition, it can also be used to distinguish between drinking water and non-drinking water. Red backlight (ppm>40) means this is non-drinking water
  • Easy to Use: Turn on the TDS meter and gently stir the water, then a stable reading will automatically lock on the LCD within seconds. The meter will be switched off automatically while it is not in use for 2 minutes
  • Wide Applications: It is widely applied to science laboratory, school education, commercial manufacture, industrial pollution control, agriculture etc. It can be used to test the standard of household drinking water, RO system, swimming pool, aquarium and other related areas
  • See more on Amazon...

Brand: Sonkir   |   Manufacturer: Sonkir

Package Dimensions: 1.4 x 1.5 x 6.2 inches (3.6 x 3.8 x 15.7 cm)

Amazon Price: $10.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

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  #10

FrideMok TDS Meter Digital Water Tester,Professional 3 in 1 TDS/EC/Temp Meter,0-9999ppm, Ideal Water Quality Tester for Drinking Water, Aquariums and More

 Ean: 0666354697459   |    PartNumber: MOK005   |   Asin: B07L88H99T

How Pure is Your Water?
Maybe you need a water tester to test your water .

Features of our TDS meter :
Hold Function : The TDS meter will lock the measure result when you press the"HOLD"button.

Auto shut-off Function :
Instrument will automatically shut off to save battery power without operation within 9 minutes .

Automatic temperature compensation :
Our TDS meter has automatic temperature compensation function .

Mode Shift :
When you press the SHIFT button ,the instrument automatically shifts between the following four display modes .

Products Specifications :
Measuring Range :
TDS : 0 - 9999 ppm (parts per million)
Conductivity: 0 - 9999 s/cm
Degrees Celsius: 0.1 - 80 C
Degrees Fahrenheit: 32.0 - 176.0 F
Accuracy: 2% F.S
Battery: CR1620, 2 1.5V
Net Weight: 55g
Size:154*30*14mm
Wide Applications: It is widely applied to science laboratory, school education, commercial manufacture, industrial pollution control, agriculture etc. It can be used to test the standard of household drinking water, RO system, swimming pool, aquarium and other related areas .

How to Use
Step 1: Remove the electrode protective cap before use .
Step 2: Press the ON/OFF button ,and immerse the meter into the solution.(the solution should not over the immersion line .)
Step 3: After the numerical display is steady ,press the HOLD button and take it out of the solution for checking the result .
Step 4: Wipe clean the electrode after using ,turn off the meter and replace the protective cap .

Warranty Policy
- We provide 30 days money back and 1 year free warranty . If you have any questions ,please feel free to contact our customer services .

Features

  • Accurate and Reliable : The TDS meter adopts premium quality titanium alloy probe and has ATC(Automatic Temperature Compensation) function to ensure reading accurately at various temperatures.
  • Waterproof LCD Design : Unlike traditional screen, our water tester designed with advance LCD backlit display, which is easier and clearer to be read for you .
  • 3-in-1 Function: Our TDS meter can test TDS EC and temperature. Its measuring range of TDS is 0-9999 ppm,the EC range is 0-9999 us/cm and the temp range is 32.0-176 F- 0.1-80.0 C ,with accuracy: 2% .
  • Easy to Use: Turn on the TDS meter and stir water gently, then a stable reading will automatically lock on LCD in seconds .The TDS meter will be switched off automatically if without operation within 9 minutes,saving battery power .
  • Compact Design : Mini design and easy to carry .You can test water anywhere to get the purest drinking water ,Keeping you away from pollution and have healthy. We provide 1 year free warranty ,if you have any questions ,please feel free to contact us .
  • See more on Amazon...

Brand: FrideMok   |   Manufacturer: FrideMok

Item Dimensions: 0.55 x 1.18 x 6.06 inches (1.4 x 3.0 x 15.4 cm)   |   Package Dimensions: 1.1 x 6.5 x 6.8 inches (2.8 x 16.5 x 17.3 cm)

Amazon Price: $13.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $29.99

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  #11

Water Quality Tester, MagicPro 2016 Newest Released Premium TDS-2 Handheld TDS Quality Water Tester Meter 0-9990 ppm TDS Measurement

 Ean: 0769700140248   |    PartNumber: FBA_MP-658-1   |   Asin: B01HUDJALE

MagicPro TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-EZ is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The TDS-EZ is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more.

Features

  • Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced microprocessor technology.
  • Hold Function: saves measurements for convenient reading and recording.
  • Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Display: large and easy-to-read LCD screen.
  • Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Fun, translucent blue housing that's very strong and durable.
  • TDS-EZ meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Includes a TDS chart sticker on the back of the meter that explains TDS values.
  • See more on Amazon...

Brand: MagicPro   |   Manufacturer: MagicPro

Package Dimensions: 1 x 1.5 x 6.1 inches (2.5 x 3.8 x 15.5 cm)

Amazon Price: $15.95 | as of 03/24/2019(9:51am pst)
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  #12

HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume

Model: C-342   |    Mpn: C342   |    Ean: 0891144000014   |    PartNumber: C342   |   Asin: B001VE99X8

TDS Meter NaCl Calibration Solution C-342.

Features

  • NaCl calibration solution, available in 342 ppm or 1000 ppm
  • Comes in lightweight HDPE plastic bottles
  • Sealed with a coated foam liner
  • Use the HM Digital TDS Calibration Solution (342 PPM) to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester
  • This HM Digital TDS Calibration Solution is also known as Water Tester Solution andTDS Meter Calibration Solution
  • The C-342 is NaCl solution (342 PPM)
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM Digital, Inc.

Item Dimensions: 3 x 1.75 x 1.75 inches (7.6 x 4.4 x 4.4 cm)   |   Package Dimensions: 1.89 x 2.91 x 4.72 inches (4.8 x 7.4 x 12.0 cm)

Amazon Price: $8.59 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 1-2 business days
List Price: $8.59

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  #13

HM Digital AP-1 AquaPro Water Quality Total Dissolved Solids Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy (Magnetic Body)

Model: HMDAP1   |    Mpn: HMDAP1   |    Ean: 0807032971472   |    PartNumber: HMDAP1   |   Asin: B007KDYOMU

Product Description: How Pure is Your Water? A TDS meter (aka ppm pen, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the AP-1 can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The AP-1 is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The AP-1 is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), colloidal silver, aquariums, RO/DI systems, pools and spas, and more. HM Digital's AquaPro digital water tester has a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer. Temperature Range: 0-80 C; 32-176 F

Features

  • Measures total dissolved solids (TDS) and temperature
  • Automatic Temperature Compensation (ATC)
  • Water-resistant housing
  • Digital Calibration (push button)
  • Magnetic body - store the meter on your fridge when not in use!
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM Digital

Item Dimensions: 1.1 x 0.5 x 5.9 inches (2.8 x 1.3 x 15.0 cm)   |   Package Dimensions: 0.87 x 1.69 x 6.54 inches (2.2 x 4.3 x 16.6 cm)

Amazon Price: $17.46 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $24.99

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  #14

HM Digital ZT-2 Basic TDS Tester, 0-999 ppm Measurement Range , 1 ppm Resolution, +/- 3% Readout Accuracy

Model: ZT-2   |    Mpn: ZT-2   |    Ean: 0729440633578   |    PartNumber: ZT-2   |   Asin: B004XJKRCK

How Pure is Your Water? A TDS meter is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the ZT-2 can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The ZT-2 is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.)

Features

  • Economy model that is ideal for end-users and retail products.
  • Highly efficient and accurate due to its advanced microprocessor technology.
  • Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
  • Display: large and easy-to-read LCD screen.
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM Digital

Package Dimensions: 0.7 x 2.5 x 6.4 inches (1.8 x 6.4 x 16.3 cm)

Amazon Price: $11.29 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #15

TDS Meter Digital Water Tester with Backlit LCD, Accurate Professional TDS EC Temperature Test Pen for Drinking Water Quality, Hydroponics, Swimming Pools, Aquariums, 0-9990 ppm, 2% Accuracy

Model: TDS Meter   |    Mpn: TDS Meter   |    PartNumber: TDS Meter   |   Asin: B076FTP5VB

What is TDS?
Total Dissolved Solids (TDS) is the total weight of all solids (minerals, salts, or metals) that are dissolved in a given volume of water, expressed in milligrams per liter (mg/L), or in parts per million (PPM).
The higher TDS level in the water, the more the probability of harmful contaminants that can pose health risks or hinder the absorption of water molecules on the cellular level.
Where you can apply to?
TDS meter is great for all home and laboratory water testing applications. It can be widely used in water treatment industry, drinking water industry and household. Someone even will take the portable pen while they are traveling.
What are the features of our upgraded TDS meter kit ?
One for all
The improved TDS meter tester is designed to test total dissolved solids in parts per million, electrical conductivity, and temperature either in Celsius degree or Fahrenheit degree.
More accurate than other tds tester meter in the market
The TDS meter has transparent LCD screen display with 4 numerical figures and the corresponding physical units.
LCD backlight screen
The backlight design can help you to test the solutions even in a dim light place. If you are drinking an unqualified drinking water, the backlight will turn red, showing the number over 40 to give you warning.
Changeable battery
Are you tired of using something that is short life span and buying again and again? Here is the answer for you. The only thing you need is to replace the battery and you can use your TDS meter for life long.

TECHNICAL SPECS
Measurement range: TDS 0-9990ppm, Conductivity 0-9990 s/cm
Scope of temperature application: 0.1-50.0 C (32.0-122.0 F).
Accuracy: 2%
Package Includes
1 Digital TDS meter
1 Mineral test pen
1 User manual guide

Features

  • IMPROVED DESIGN & REPLACEBLE BATTERY: The listed TDS pen is the 5th generation of TDS meter. The newly-design tds meter kit can be used to test ppm, electrical conductivity, Celsius and Fahrenheit temperature. The improved tds tester meter is a 4 in 1 device that helps the needed ones to get all the figures they want. With the removable battery you don't have to buying a new one when it is out of battery, simply get CR2032 battery will make this tds meter tester back to life.
  • LCD SCREEN BAKLIGHT & QUALIFIED WATER TELLER: The tds meter tester is adopted with low power backlight tech so it can be tested from day to night. Also, the backlight function make the tds meter tester to distinguish drinking water. National standard adopted TDS figure 40 as a dividing line. The backlight turns green when the figure is blow 40 indicating for qualified direct drinking water while the tds meter turns to red backlight when the figure is over 40 noted as non-drinking water.
  • VERSITLE TOOL & WIDE APPLICATIONS The tds meter is an ideal portable tool for residential and commercial use. It is suitable for water quality testing in various fields such as drinking water, swimming pool, aquaculture, hydroponic, laboratory and scientific experiment, pools spas, ecology testing, colloidal silver, water treatment and more. (Do not use this multifunctional TDS pen if water temperature exceeds 50 or 122 F)
  • MOST ACCURATE READERS & AUTOMATIC POWER SAVING :The TDS Tester has sensitive electrode sensor and premium titanium alloy probe to read accurate water quality levels. Unlike other tds meter kit whose readers in the market, our professional tds pen enjoys a more accurate ppm range from 0 to 9990. (Note: water temperature application is 0-50 ). The tds meter will shut down itself if you don't operate for 2 minutes. So hassle-free with this tds meter tester even you are an absent-minded one.
  • 100% MONEY BACK GUARANTEE & FREE MINERAL PEN TESTER: We provide you a Mineral Pen Tester as bonus to distinguish purified water and mineral water. If you're not satisfied for any reason with our smart design tds tester meter , We'll do the refund. No questions asked! Enjoy a risk-free purchase and buy with confidence! Start working on your projects, elevate your creativity and leave the hassle to us. Order now!
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Brand: CHERAINTI   |   Manufacturer: CHERAINTI

Package Dimensions: 0.55 x 3.74 x 8.31 inches (1.4 x 9.5 x 21.1 cm)

Amazon Price: $9.99 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $24.99

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  #16

2019 Upgraded TDS Meter Digital Water Tester, Lxuemlu 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

Model: LX-TDSYW   |    Ean: 0665059127544   |   Asin: B07CBXGW97

water meter tds water conductivity meter tds test kit water hardness test kit water quality monitor tds stick tds meter kit nutrient tester tds ph meter tds water filter TDS monitor ph teds meter

Features

  • TEST YOUR WATER: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
  • EASY TO USE AND ACCURATE: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip
  • AUTO-OFF AND HOLD FUNCTION: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
  • MEASUREMENT RANGE: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image
  • WHAT YOU GET: Lxuemlu water tester, user manual, our fan-favorite 18-month warranty and friendly customer service
  • See more on Amazon...

Brand: Lxuemlu   |   Manufacturer: Lxuemlu

Item Dimensions: 0.6 x 1.1 x 6.3 inches (1.5 x 2.8 x 16.0 cm)   |   Package Dimensions: 0.94 x 1.34 x 6.14 inches (2.4 x 3.4 x 15.6 cm)

Amazon Price: $11.97 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #17

HM Digital 1000ppm TDS Calibration Solution

Model: 716170   |    Mpn: C1000   |    Ean: 0891144000038   |    PartNumber: C1000   |   Asin: B001FD6WZ8

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges

Features

  • For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges
  • NaCl calibration solution
  • Comes in lightweight HDPE plastic bottles
  • Laboratory quality NIST-traceable solutions
  • Any brand TDS meter can be calibrated to any brand of calibration solution
  • Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle
  • Sealed with coated foam liner
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM Digital Meters

Item Dimensions: 1.3 x 3.3 x 1.3 inches (3.3 x 8.4 x 3.3 cm)   |   Package Dimensions: 1.5 x 2.1 x 3.7 inches (3.8 x 5.3 x 9.4 cm)

Amazon Price: $5.55 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $8.50

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  #18

HM DIGITAL TDS Meters TDS-3 Handheld Temperature TDS ( PPM ) Tester, 0 - 9990 ppm, 1 ppm Resolution, +/- 2% Readout Accuracy Testing Water Quality For Hydroponics Aquariums Pools Drinking etc

Model: TDS-3   |    Mpn: TDS-3   |    Ean: 0603964473554   |    PartNumber: TDS-3   |   Asin: B01FXRC354

Portable with Case, Instruction Sheet & Pocket Clip

Features

  • TDS Measurement Range: 0-9990 ppm
  • Hold and Auto-off function
  • Color:Beige
  • Water Resistant Housing
  • Commercial amd Home Use,Such As Aquariums, Swimming Pools, RO Drinking Water system, Water Filters, Purifiers and More
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM ELECTRONICS

Package Dimensions: 1.5 x 2.6 x 6.6 inches (3.8 x 6.6 x 16.8 cm)

Amazon Price: $9.00 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 24 hours
List Price: $12.00

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  #19

HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

Model: TDS-3   |    Mpn: TDS-3   |    Ean: 0826333000001   |    PartNumber: TDS-3   |   Asin: B000VTQM70

Product Description: A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-3 can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-3 is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The TDS-3 is a great tool for drinking water, water filtration and purification, colloidal silver, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, commercial and industrial applications and more. The TDS-3 is a rugged model that includes a protective carrying case. This is the world's most popular handheld TDS meter for industry professionals.

Features

  • Its Ideal for Commercial Use
  • Its Includes a Carrying Case with Belt Clip
  • Hold Function: Saves Measurements for Convenient Reading and Recording
  • Highly Efficient and Accurate Due to Its Advanced Microprocessor Technology
  • Built-in Digital Thermometer, Display: Large and Easy-to-read LCD Screen.
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM Digital

Item Dimensions: 1 x 1.5 x 6 inches (2.5 x 3.8 x 15.2 cm)   |   Package Dimensions: 1 x 2 x 7 inches (2.5 x 5.1 x 17.8 cm)

Amazon Price: $14.00 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 1-2 business days
List Price: $18.98 | Used Price: $9.37

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  #20

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

Model: HMDCOM80   |    Mpn: COM-80   |    Ean: 0891144000229   |    PartNumber: COM-80   |   Asin: B008SOPO10

Product Description: NEW! The COM-80 is an economically priced, reliable EC/TDS meter (ppm pen / nutrient tester) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Also great for commercial applications, such as boilers and cooling towers and filtration and purification systems.

Features

  • Measures electrical conductivity (EC), TDS and temperature.
  • Automatic Temperature Compensation (ATC)
  • Hold button and Auto shut-off
  • Digital Calibration (push button)
  • See more on Amazon...

Brand: HM Digital   |   Manufacturer: HM Digital

Item Dimensions: 1.3 x 0.6 x 6 inches (3.3 x 1.5 x 15.2 cm)   |   Package Dimensions: 0.9 x 4.9 x 8.6 inches (2.3 x 12.4 x 21.8 cm)

Amazon Price: $29.96 | as of 03/24/2019(9:51am pst)
Availibility: Usually ships in 1-2 business days
List Price: $32.00

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  9. TDS Meter, Sonkir 3-in-1 TDS/EC/Temp Meter, Digital Water Quality Tester for Drinking Water Purity T...
  10. FrideMok TDS Meter Digital Water Tester,Professional 3 in 1 TDS/EC/Temp Meter,0-9999ppm, Ideal Water...



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