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Best Dissolved Oxygen Meters & Accessories - Buying Guide

Last Updated: 08/22/2019

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Bestselling Dissolved Oxygen Meters & Accessories on Amazon

  1. Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range...
  2. TDS Water Quality Tester - TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Meter, LCD Display,Digital...
  3. Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0 - 1...
  4. U/Adapt-It Disposable Straight Connectors - Open Oxygen / Monitor Stem with Thermometer Port - 1 Each
  5. Oxygen Meter, KKmoon Oxygen Meter Digital Portable Automotive O2 Gas Tester Monitor Detector Handhel...
  6. YSI Pro Series Galvanic Dissolved Oxygen Sensor
  7. Extech 780417A Replacement Membranes For Extech 407510 DO Meter
  8. Extech 407510 Dissolved Oxygen Meter
  9. Extech 780418 Internal Fill Solution For Model 407510 Dissolved Oxygen Meter
  10. YSI Pro Series 4 Meter Cable Assembly for Dissolved Oxygen/ISE/Temperature Meter

  #1

Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC (Yellow)

 Ean: 0671072293920   |    PartNumber: Digital PH Meter   |   Asin: B07RY488QV


Digital PH Meter Water Tester
This pH meter is affordable and useful for those who need a PH tester for household and laboratory use. It's not only ideal for household or laboratory use.
Also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics.

Specifications:
Measuring range: 0.00-14.00 pH
Resolution: 0.01 pH
Accuracy: 0.01 pH
Batteries: 2X 1.5V LR44 (included)
Automatic temperature compensation: 0-50 (32-122 )
Dimensions: 15x2.5x1.3cm/6x1.1x0.5 inch
Net Weight: 52g/1.83 oz

Features:
High Quality and Durable
It's highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD diplay, reliable and quick reading.
Easy to Use
You just remove the protective cap and immerse the PH meter electrode in the solution and turn on the PH by "ON / OFF" switch to be measured. Beats the heck out of trying to see the colors of a litmus strip.
Easy to Calibrate
You can simply follow the instruction on the provided packet of solution 4.01 or 6.86, immerse the PH tester in the solution until numbers get stable.
Pocket Size
It's only 1.83 oz with size of 6x1.1x0.5 inch so that you can put it in your pocket wherever you go outside for a PH testing, it also comes with a handy storage case and 3 packets ph buffer powder for calibrating.
Warning Tips
Be careful with the glass probe since it may be a little fragile when you use. Remember to gently wipe it with a clean, soft cloth when you're done before capping it again.
Package Includes:
1 x PH Meter
1 x Carrying case
3 x PH buffer powder
1 x User's manual

Features

  • FAST AND ACCURATE Ensure your pool, general hydroponics ph or even drinking water has a perfect pH balance and safe for use with Tester precision pH accuracy. Tester has a sensitive electrode sensor to read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading
  • WIDE USE Pocket Size PH Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.
  • AUTOMATIC TEMPERATURE COMPENSATION No more need to take care about the temperature of testing liquid, as ph meter has built in (ATC) automatic temperature compensation, so that it can accurately determine pH value of the sample at any temperature in a range of 0 C - 80 C (32 F - 176 F)
  • AUTO CALIBRATION The PH meter has an auto temprature compensation feature that adjusts to water temperatures and water quality to give pH readings almost instantly. As well, you can calibrate the tester with one touch button using Buffer Powder.
  • MAKE YOU SATISFIED WITH THE PRODUCTS Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders; 1-Year Warranty.
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Brand: Pop V   |   Manufacturer: Pop V

Package Dimensions: 1.2 x 2.5 x 6.5 inches (3.0 x 6.4 x 16.5 cm)

Amazon Price: $13.99 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #2

TDS Water Quality Tester - TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Meter, LCD Display,Digital TDS Meter for Drinking Water Test,Swimming Pool, Aquarium Test, RO/DI Water, Hydroponics

Model: YL-TDS2-A   |    Mpn: YL-TDS2-A   |    Ean: 0680613789129   |    PartNumber: YL-TDS2-A   |   Asin: B07GNMY8ZH

CONCERNED ABOUT YOUR WATER QUALITY?
Hofun TDS Water Test Meter works like a guard who helps monitor water quality to tell you whether the water meets standards of drinking, aquarium, RO/OI system, etc, so that you have a clear mind of water status and take measures to guarantee water safety for your family.

WHAT IS TDS AND WHY SHOULD YOU CARE?
TDS = Total Dissolved Solids, which are the inorganic salts and organic matter in a liquid. The lower the TDS level, the purer the water is. Conversely, higher TDS levels indicates more particles dissolved in liquid.

YOUR FIRST CHOICE: HOFUN TDS METER
Hofun 3 in 1 TDS, EC &Temp meter is Super accurate, reliable and easy to use, it is also equipped with backlit and auto-lock function, ONE YEAR warranty and LIFETIME technical support.

A Must-Have Tool for Kitchen, Aquarium,etc.
The water test meter is the perfect tool for measuring and tracking TDS level of your water to check whether your water filter is doing its job and when to change the filter. With TDS water test meter, you can tell whether your water supplier is doing their job. All you need to do is to put it in the water and test.

FEATURES
* Automatic Temperature Compensation(ATC)
* Big backlit LCD for easy reading. Green for TDS 40; Red for TDS>40
*Auto-Off in 2 Minutes to conserve battery
* A colorful TDS chart on the back to explains ppm readings

SPECIFICATIONS
* Measuring Range:
TDS: 0 - 9990 ppm (parts per million)
Conductivity: 0 - 9990 s/cm
Temperature: 32.0 - 212 F (0 - 99 C)
* Accuracy: 2% F.S
* Size: 6.37 x 1.14 x 0.59 inches

PACKAGE
1x TDS Meter
1x Instruction
1x portable leather bag
1x color box

Features

  • [ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Equipped with premium quality titanium alloy probe, TDS water quality test meter enables quick and convenient test. Put the probe into water and LCD shows accurate TDS figure in seconds. In addition, advanced and reliable Automatic Temperature Compensation (ATC) ensures measurement accuracy, which reaches 0-9999ppm, making it fits multiple uses, drinking water test, swimming pool, laboratory, Hydroponics, aquarium, well water, etc.
  • [ BONUS 3 in 1 TDS, EC & TEMPERATURE METER ] Hofun 3 in 1 TDS, Electric Conductivity & Temperature Meter features the most updated technology. Three different measurement needs can be fulfilled by one meter. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life.
  • [ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TELLER ] Hofun water hardness test meter with Big Backlit LCD is far superior than most digital water quality tester display, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means non-drinking water. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line.)
  • [ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation, turn it on and put it into water, you can get your desired data in seconds. Besides, there is a chart at the back of this test meter for figure reference.
  • [ ONE YEAR WARRANTY & LIFETIME TECHNICAL SUPPORT ] Hofun water hardness test meter is manufactured under extra high standards and of excellent quality. Thus we have absolute confidence of our water test meter and offer ONE YEAR warranty and LIFETIME technical support to guarantee your investment. We will always try every effort to provide our customers 100% satisfaction. No more hesitate to ADD TO CART and BUY IT NOW
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Brand: Hofun   |   Manufacturer: Hofun

Item Dimensions: 0.6 x 1.2 x 6.4 inches (1.5 x 3.0 x 16.3 cm)   |   Package Dimensions: 1.4 x 1.7 x 6.8 inches (3.6 x 4.3 x 17.3 cm)

Amazon Price: $12.99 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $21.99

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  #3

Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0 - 19.0 mg/L, 0.1 mg/L Resolution, +/-1.5 percent Accuracy, 100 Percent Saturation Range

Model: dupe of B007Z4KKIQ   |    Mpn: MW600   |    Ean: 5662252414827   |    PartNumber: MW600   |   Asin: B007Z4KKIQ

The Milwaukee MW600 is a portable dissolved oxygen (DO) meter for educational, aquaculture, water analysis, and environmental analysis applications, with an LCD screen and polarographic probe with 3m cable and screw-on cap membrane. The meter has two-point manual calibration and automatic temperature compensation from 0 to 30 C. It runs on one 9V alkaline battery (included). DO meters are commonly used in water-quality testing applications.

Specifications Range 0.0 to 19.9 mg/L Resolution 0.1 (ppm / mg/L) Accuracy + or - 1.5% Full Scale Power source One 9V alkaline battery (included) Dimensions 145 x 80 x 40mm (H x W x D) Weight (with battery) 220g H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back

. Dissolved oxygen (DO) meters measure the amount of dissolved oxygen present in water. The amount of DO helps to determine, for example, drinking water quality, the health of lakes or streams, and aquatic organism sustainability. A probe, also called a sensor or electrode, is inserted into the sample to perform the measurement, and the results appear on the meter display. Applications include sewage and water treatment plants, pollution control, fish farms, and various types of manufacturing.

Milwaukee Instruments manufactures electrochemical instrumentation and solutions for water analysis under the Milwaukee and Martini brands. The company, founded in 1989, is headquartered in Rocky Mount, NC.

What s in the Box? MW600 meter MA840 DO polarographic probe with 3m cable Calibration screwdriver (2) Spare membranes Electrolyte solution (20 mL bottle) 9V alkaline battery Instructions

Features

  • Portable dissolved oxygen (DO) meter for educational, aquaculture, water analysis, and environmental analysis applications
  • Two-point manual calibration, automatic temperature compensation from 0 to 30 C
  • LCD screen
  • Polarographic probe with 3m cable and screw-on cap membrane
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Brand: Milwaukee   |   Manufacturer: Milwaukee Instruments

Item Dimensions: 10 x 16 x 17.5 inches (25.4 x 40.6 x 44.5 cm)   |   Package Dimensions: 4.3 x 4.8 x 10.2 inches (10.9 x 12.2 x 25.9 cm)

Amazon Price: $172.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $172.00

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  #4

U/Adapt-It Disposable Straight Connectors - Open Oxygen / Monitor Stem with Thermometer Port - 1 Each

 PartNumber: BAX004078   |   Asin: B00XCRTQ2G

The U/Adapt-It straight connectors without base feature a 22 mm outer diameter at one end and 22 mm inner diameter at the other end with open oxygen monitor stem. Latex-free. Connectors are shipped clean and ready to use.

Features

  • CareFusion BAX004078 U/Adapt-It Disposable Straight Connectors - Open Oxygen / Monitor Stem with Thermometer Port - 1 Each
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Brand: Carefusion   |   Manufacturer: CareFusion

Package Dimensions: 0.5 x 4.8 x 6.2 inches (1.3 x 12.2 x 15.7 cm)

Amazon Price: $2.99 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $4.83

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  #5

Oxygen Meter, KKmoon Oxygen Meter Digital Portable Automotive O2 Gas Tester Monitor Detector Handheld Oxygen Meter

 Ean: 0791293443710   |    PartNumber: YRQ3043844988077HX   |   Asin: B07PVPHBVD

This is a precision oxygen concentration instrument,it use electro-chemical type gas sensor to measure the gas,it can quickly response to oxygen,can be manual setup the alarm level with light and sound.Applicable at home,workshop,petroleum refining,petrochemical plant,oxygen content detection in trains and automobiles and industries and plants using oxygen etc. Specifications: Material: ABS Voltage: AC100-240V, 50/60Hz Output: DC5V 5%, 1000 50mA Measuring Range: 0~25% Resolution: 0.1% Temperature: -10~50 Resolution: 0.1 Working Humidity: 0~95%RH Power Supply: 1 * 3.7V, 1000mAh rechargeable li-ion battery Screen Size: 4.4 * 5.3cm / 1.73 * 2.08in Storage Box Size: 23 * 20.5 * 5cm / 9.06 * 8.07 * 1.97in Item Size: 18.3 * 6.5 * 3cm / 7.20 * 2.56 * 1.18in Item Weight: 245g / 8.64oz Package Weight: 743g / 26.21oz Package Size: 25.5 * 21 * 5.7cm / 10.04 * 8.27 * 2.24in
Features:
High precision, respond quickly. Stable performance, high accuracy. 0-25% oxygen content detection. Sound and light dual-alarm. Smart chip, low power consumption. Compact portable size, easy to use. 2.7" large LCD screen displays data clearly. Rechargeable lithium battery is included. For home use, agriculture, chemical industry, etc.
Package List:
1 * Detector 1 * Charging Plug 1 * USB Cable 1 * Storage Box 1 * Manual (English)

Features

  • Portable detector for detecting oxygen(O2) gas. 0-25% oxygen content detection. Stable performance, high accuracy.
  • Sound and light dual-alarm when O2 gas concentration reaches the level of the alarm. Sleep mode can be cancelled and continuously monitor the O2 gas concentration in the surrounding environment.
  • 2.7 large LCD screen displays data clearly. Rechargeable lithium battery is included. High precision, respond quickly.
  • Smart chip, low power consumption. Compact portable size, easy to use. For home use, agriculture, chemical industry, etc.
  • Widely used in metallurgy, power plant, chemical, mine, tunnel, underground pipelines and other places, effective prevention of hypoxia and oxygen poisoning.
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Brand: KKmoon   |   Manufacturer: KKmoon

Package Dimensions: 2.3 x 9.1 x 9.9 inches (5.8 x 23.1 x 25.1 cm)

Amazon Price: $89.99 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $159.99

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  #6

YSI Pro Series Galvanic Dissolved Oxygen Sensor

Model: 605202   |    Mpn: 605202   |    PartNumber: 605202   |   Asin: B008OIZVOU

YSI Pro Series Galvanic Dissolved Oxygen Sensor

Features

  • Easy user-replaceable sensor allows for quick sensor replacements if needed
  • No tools necessary
  • Uses convenient screw-on cap membranes making membrane changes simple and easy
  • Comes with 6 membrane caps and bottle of solution
  • 6 month sensor warranty
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Brand: YSI   |   Manufacturer: YSI

Package Dimensions: 1.9 x 4.3 x 5.1 inches (4.8 x 10.9 x 13.0 cm)

Amazon Price: $167.22 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $183.00

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  #7

Extech 780417A Replacement Membranes For Extech 407510 DO Meter

Model: 780417A   |    Mpn: 780417A   |    Ean: 0793950784174   |    PartNumber: 780417A   |   Asin: B004WN63ZW

Replacement Do Membranes, Application Replacement Membranes For 407510 Do Meter, Features Easy To Replace, For Use With 407501 Do Meter, Includes 10 Pack Of Membranes, Manufacturers Length 6 Months, Package Quantity 10

Features

Brand: Extech   |   Manufacturer: Extech

Item Dimensions: 4.3 x 3.4 x 0.4 inches (10.9 x 8.6 x 1.0 cm)   |   Package Dimensions: 0.4 x 3.4 x 4.3 inches (1.0 x 8.6 x 10.9 cm)

Amazon Price: $33.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $33.99

Warranty: 6 months

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  #8

Extech 407510 Dissolved Oxygen Meter

Model: 407510   |    Mpn: 407510   |    Ean: 0793950405109   |    PartNumber: 407510   |   Asin: B00023RVOI

Recall Min/Max/Average readings. Data Hold. Built-in RS-232 PC serial interface with optional data acquisition software and data logger. Auto power off saves battery life..

Features

  • Dual display provides O2 or dissolved oxygen and temperature readings
  • Measures dissolved oxygen in water from 0 to 20.00mg/L and oxygen in air from 0 to 100%
  • Resolution: 0.1mg/L DO, 0.1% O2. Accuracy Temperature : 1.5 F/ 0.8 C
  • Automatic temperature compensation
  • Min/Max/Average record/recall
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Brand: Extech   |   Manufacturer: Extech Instruments

Item Dimensions: 1.3 x 3 x 7 inches (3.3 x 7.6 x 17.8 cm)   |   Package Dimensions: 3.1 x 9.8 x 11.3 inches (7.9 x 24.9 x 28.7 cm)

Amazon Price: $431.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $439.99

Warranty: I year meter, 6 months for probe

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  #9

Extech 780418 Internal Fill Solution For Model 407510 Dissolved Oxygen Meter

Model: 780418   |    Mpn: 780418   |    Ean: 0793950784181   |    PartNumber: 780418   |   Asin: B0029V81B8

Fill Solution For Do Meter, Application For Refilling Do Meter After Membrane Replacement, Features 2 50Ml Packs, For Use With 407510 Do Meter, Includes 2 50Ml Packs, Manufacturers Length 6 Months, Package Quantity 2

Features

Brand: Extech   |   Manufacturer: Extech

Item Dimensions: 5.6 x 4.3 x 2.6 inches (14.2 x 10.9 x 6.6 cm)   |   Package Dimensions: 2.6 x 4.3 x 5.6 inches (6.6 x 10.9 x 14.2 cm)

Amazon Price: $27.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $27.99

Warranty: 6 months

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  #10

YSI Pro Series 4 Meter Cable Assembly for Dissolved Oxygen/ISE/Temperature Meter

Model: 3312   |    Mpn: 6051020-4   |    PartNumber: 6051020-4   |   Asin: B008OJ5GU8

The 6051020 is a combo ISE/DO cable for use with the Professional Plus instrument. Measure any ISE (pH, ORP, pH/ORP combo, ammonium, nitrate, chloride), dissolved oxygen and temperature. Cables over 4-meter also come with the 603062 cable management kit. The 6051020 cables ONLY work with the YSI Pro Plus handheld. The 6051020 is a 2-port combo cable for use with the Professional Plus instrument. The 2-ports require a ISE and a DO probe.

Features

  • A combo ISE/DO cable for use with the Professional Plus instrument
  • Measure any ISE (pH, ORP, pH/ORP combo, ammonium, nitrate, chloride), dissolved oxygen and temperature
  • Cables over 4-meter also come with the 603062 cable management kit
  • Cables ONLY work with the YSI Pro Plus handheld
  • The 2 ports require a ISE and a DO probe
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Brand: YSI   |   Manufacturer: YSI

Package Dimensions: 3.4 x 13.4 x 15.2 inches (8.6 x 34.0 x 38.6 cm)

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  #11

Milwaukee MA9071 Oxygen Electrolyte Solution, 220 mL for SM600

Model: MA9071   |    Mpn: MA9071   |    Ean: 0810666009701   |    PartNumber: MA9071   |   Asin: B002P33WXW

Milwaukee MA9071 Oxygen Electrolyte solution (220ml) for SM600.

Features

  • Brand Name Milwaukee
  • Part Number MIL-MA9071
  • Calibration Solution, 220mL Bottle
  • OXYGEN ELECTROLYTE SOLUTION
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Brand: Milwaukee   |   Manufacturer: Milwaukee

Package Dimensions: 2.72 x 3.03 x 5.91 inches (6.9 x 7.7 x 15.0 cm)

Amazon Price: $26.40 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $20.50

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  #12

Milwaukee AQ600 Dissolved Oxygen Meter Kit

 PartNumber: AQ600   |   Asin: B007Z4L968

The Milwaukee AQ600 dissolved oxygen (DO) meter kit is a portable dissolved oxygen (DO) meter for educational, aquaculture, water analysis, and environmental analysis applications, with an LCD screen and polarographic probe with 3m cable and screw-on cap membrane. The meter has two-point manual calibration and automatic temperature compensation from 0 to 30 C. It runs on one 9V alkaline battery (included). The kit comes with a hard shell briefcase-style carrying case with padded interior. DO meters are commonly used in water-quality testing applications.

Specifications Range 0.0 to 19.9 mg/L Resolution 0.1 (ppm / mg/L) Accuracy + or - 1.5% Full Scale Power source One 9V alkaline battery (included) Dimensions 145 x 80 x 40mm (H x W x D) Weight (with battery) 220g H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back

. Dissolved oxygen (DO) meters measure the amount of dissolved oxygen present in water. The amount of DO helps to determine, for example, drinking water quality, the health of lakes or streams, and aquatic organism sustainability. A probe, also called a sensor or electrode, is inserted into the sample to perform the measurement, and the results appear on the meter display. Applications include sewage and water treatment plants, pollution control, fish farms, and various types of manufacturing.

Milwaukee Instruments manufactures electrochemical instrumentation and solutions for water analysis under the Milwaukee and Martini brands. The company, founded in 1989, is headquartered in Rocky Mount, NC.

What s in the Box? MW600 meter Zero Oxygen calibration solution MA840 DO polarographic probe with 3m cable Calibration screwdriver (5) Spare membranes Electrolyte solution 9V alkaline battery Carrying case Instructions

Features

  • Portable dissolved oxygen (DO) meter kit for educational, aquaculture, water analysis, and environmental analysis applications
  • Two-point manual calibration, automatic temperature compensation from 0 to 30 C
  • LCD screen
  • Polarographic probe with 3m cable and screw-on cap membrane
  • Briefcase-style carrying case with padded interior
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Brand: Milwaukee   |   Manufacturer: Milwaukee Instruments

Package Dimensions: 3.6 x 14.5 x 17.4 inches (9.1 x 36.8 x 44.2 cm)

First Available: 2017-05-15

Amazon Price: $245.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $262.48

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  #13

Apera Instruments AI480 DO850 Optical Dissolved Oxygen Meter Kit, with 10 Ft Optical DO Probe, Hassle-Free Testing Experience

Model: AI480   |    Mpn: AI480   |    Ean: 0858718006513   |    PartNumber: AI480   |   Asin: B01M7TVU8S

Introducing Apera's all-new Optical Dissolved Oxygen Meter. Equipped with state-of-the-art optical DO probe, the DO850 meter generates quick and accurate dissolved oxygen readings in a hassle-free manner. No membrane or solution needed for the optical probe. Unlike the traditional polarographic or galvanic probes, the optical probe does not consume oxygen at all, hence has no requirement on the water flowing speed. Quick response time: only takes 1 to 3 minutes to get stable readings. Durable luminescent cap: over 8000 hours service life. The special coating on the luminescent cap makes it anti-interference and unaffected by light and chemicals. A calibration cap comes with the probe, which allows it to be easily calibrated and stored in saturated air. Rugged Structure: The IP67 waterproof and Dustproof structure allows the meter to be used in harsh environments. The silicon protective cover gives you a nice and firm grip. The foldable stand also allows use as a benchtop meter. Intelligent Functions: Auto. Temperature Compensation; Auto. Air Pressure Compensation; Manual salinity compensation; large backlit LCD simultaneously displays DO and temperature readings. Users can switch from mg/L to ppm or percentage with a single tap. The advance digital processing technology supports stable reading and auto-lock display modes. The meter is RoHs& CE certified and comes with a 3-YEAR Warranty (1-Year for the Optical Probe). DO

Model

DO850

Measuring Range

0 to 20.0mg/L (ppm), (0-200.0)%

Resolution

0.01/0.1mg/L (ppm), 0.1/1%

Accuracy

2% of reading or 2% of saturation, whichever is greater;

2% of reading or 0.2 mg/L (ppm), whichever is greater

Calibration Points

Zero oxygen and saturated oxygen

Temp. Compensation

Automatic (32 to 122 F)

Air Pressure Compensation

Automatic (60 to 120 kPa)

Salinity Compensation

Manual (0 to 45 ppt)

Temp.

Measuring Range

0 to 50.0 C (32 to 122 F)

Resolution

0.1 C

Accuracy

0.5 C

Stable Reading Indication

Yes

Auto Lock

Yes

Screen

White backlit LCD

Data Storage

No

Built-in Clock

No

Data Output

No

IP Rating

IP67

Power Supply

AA Batteries 3

Battery life> 200 Hours

Product Certificate

RoHs & CE

Dimensions and Weight

(6.3*3.4*1.5) inches / 10.5 oz.;

With case: (14*10.1*3) inches / 3.25 pounds

Features

  • Equipped with state-of-the-art Optical DO sensor: measures dissolved oxygen level in a RELIABLE and EFFORTLESS manner
  • Minimal maintenance required. Easy calibration
  • IP67 waterproof and dust-proof structure, ideal to be used in harsh environments
  • Comes with a complete test kit, including the meter, 10 ft optical probe, calibration cap, and a rugged carrying case
  • Comes with a complete test kit, including the meter, 3M optical probe, and calibration cap, and a rugged carrying case
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Brand: Apera Instruments, LLC   |   Manufacturer: Shanghai Sanxin Instrumentation

Item Dimensions: 3.39 x 1.5 x 6.3 inches (8.6 x 3.8 x 16.0 cm)   |   Package Dimensions: 2.91 x 10.55 x 14.06 inches (7.4 x 26.8 x 35.7 cm)

Amazon Price: $766.61 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $998.00

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  #14

CHEMetrics Dissolved Oxygen Water Test Kit Refill

 PartNumber: 652751   |   Asin: B0080GROE6

Contains 30 refill ampules for the CHEMetrics Dissolved Oxygen Water Test Kit (#652750).

Features

  • Contains 30 refill ampules for the CHEMetrics Dissolved Oxygen Water Test Kit (#652750).
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Brand: Chemetrics   |   Manufacturer: CHEMetrics

Amazon Price: $37.15 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 2-3 business days
List Price: $37.15

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  #15

Milwaukee MA841 Dissolved Oxygen Spare Membrane For use with All Dissolved O2 Meter, Pack of 5

 PartNumber: MA841   |   Asin: B007Z4GGHK

Milwaukee MA841 Dissolved Oxygen Spare Membrane For use with All Dissolved O2 Meter is used in a number of applications.

Features

Brand: Milwaukee   |   Manufacturer: Milwaukee Instruments

Package Dimensions: 0.6 x 2.7 x 3.2 inches (1.5 x 6.9 x 8.1 cm)

Amazon Price: $42.50 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $42.50

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  #16

Extech DO210 Dissolved Oxygen Meter

Model: DO210   |    Mpn: DO210   |    Ean: 0793950062104   |    PartNumber: DO210   |   Asin: B00SYIVFVI

The DO210 is a Dissolved Oxygen Meter which measures DO from 0 to 20.0mg/L, Oxygen Percent from 0 to 100.0% and Temperature with ATC. The meter features Adjustable Altitude and Salinity Compensation as well as min, max and data hold functions. Complete with DO probe with membrane and 39" (1m) cable, two spare replacement membranes, electrolyte, 9V battery and soft case.

Features

  • Takes quick measurements of Dissolved Oxygen or % Oxygen plus Temperature in water
  • Automatic Temperature Compensation via temperature probe sensor built into polarographic type oxygen probe
  • Adjustable Altitude and Salinity Compensation
  • Automatic Temperature Compensation via temperature probe sensor built into polarography type oxygen probe
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Brand: Extech   |   Manufacturer: FLIR Systems, Inc.

Item Dimensions: 5.3 x 1.3 x 2.4 inches (13.5 x 3.3 x 6.1 cm)   |   Package Dimensions: 2.9 x 5.7 x 11.9 inches (7.4 x 14.5 x 30.2 cm)

Amazon Price: $253.51 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $299.99 | Used Price: $169.99

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  #17

Digital PH Meter, Cakie PH Meter 0.01 PH High Accuracy Water Quality Tester 0-14 PH Measurement Range Household Drinking, Pool Aquarium Water PH Tester Design ATC (NewBlue)

 PartNumber: Digital PH Meter   |   Asin: B07K2XQJ4H

Features

  • EASY TO USE: Just remove the protective cap and immerse the PH meter electrode in the solution and turn on the PH by "ON / OFF" switch to be measured.
  • HIGH ACCURACY: The pH meter with auto calibration button can automatically identify standard buffer solution of pH4.00, pH9.18, and pH6.86; its high accuracy 0.03pH range of error ensures more reliable results; automatically temperature compensation(ATC) ranges from 0 50 (32 F~122 F) automatically to ensure accurate readings.
  • AUTO CALIBRATION: The PH meter has an auto temperature compensation feature that adjusts to water temperatures and water quality to give pH readings almost instantly. As well, you can calibrate the tester with one touch button using Buffer Powder.
  • PACKAGE INCLUDES: 1 pH Meter , 1 Carrying case, 3 Calibration packets, 1 User manual.
  • 100% Quality Guaranteed--- If any question please contact us at any time, We will reply in 24 hours.The best customer service is our top priority, please rest assured to buy.
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Brand: Cakie   |   Manufacturer: Cakie

Package Dimensions: 1.3 x 2.3 x 7 inches (3.3 x 5.8 x 17.8 cm)

Amazon Price: $19.99 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 1-2 business days
List Price: $19.99

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  #18

YSI Pro Series 4 Meter Cable Assembly for Dissolved Oxygen/Temperature Meter

Model: 60520-4   |    Mpn: 60520-4   |    PartNumber: 60520-4   |   Asin: B008OJ5FZ4

YSI Pro Series 4 Meter Cable Assembly for Dissolved Oxygen/Temperature Meter

Features

  • The dissolved oxygen cable's in lengths of 4 meters
  • Cables over 4-meter also come with the 603062 cable management kit
  • Dissolved oxygen cables ONLY work with the YSI Pro Plus or Pro20 handhelds
  • The port requires a DO probe
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Brand: YSI   |   Manufacturer: YSI

Package Dimensions: 3.4 x 13.5 x 15.1 inches (8.6 x 34.3 x 38.4 cm)

Amazon Price: $247.52 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $265.00

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  #19

YSI Pro20 Lab/Field Dissolved Oxygen/Temperature Meter, 0 to 50 mg/L, 0.1 mg/L, 0 to 20 mg/L, -5 to 55 degree C, 8-1/2" Length x 3-1/4" Width x 2-13/64" Depth

Model: 6050020   |    Mpn: 6050020   |    PartNumber: 6050020   |   Asin: B008OJ5C6G

The YSI Pro20 instrument is a handheld dissolved oxygen (DO) and temperature meter with graphical backlit display, glow-in-the-dark keypad, rubber over-mold case, military standard connectors, and One Touch Cal feature that calibrates the meter within three seconds. It has on-screen instructions and a selectable language of English, Spanish, French, or German, can store 50 data sets, and has an internal barometer to ensure accuracy. The response time is 95% response in eight seconds with a standard membrane. The meter runs on two alkaline C-cell batteries (included) and is impact-resistant and waterproof, with Ingress Protection 67 (IP67). Additional certifications include Restriction of Hazardous Substances Directive (RoHS), European Conformity (CE), and Waste Electrical and Electronic Equipment Directive (WEEE).

The meter is designed for field and laboratory use and is compatible with two different cables. (Cables and probes are sold separately.) The field cable is available in various lengths and has a built-in temperature sensor and a port for the DO sensor (polarographic or galvanic). The ProBOD, a 1m probe/cable assembly designed for lab use, has built-in polarographic DO and temperature sensors, has an AC-powered motor for sample stirring, and fits into a 300mL biochemical oxygen demand (BOD) bottle. DO meters are commonly used in water-quality testing applications.

Specifications DO (%) range 0 to 500% air saturation DO (%) accuracy 0 to 200% air saturation, + or - 2% of the reading or + or - 2% air saturation, whichever is greater; 200 to 500% air saturation, + or - 6% of the reading DO (%) resolution 0.1% or 1% air saturation (user selectable) DO (mg/L) range 0 to 50 mg/L DO (mg/L) accuracy 0 to 20 mg/L, + or - 2% of the reading or + or - 0.2 mg/L, whichever is greater; 20 to 50 mg/L, + or - 6% of the reading DO (mg/L) resolution 0.01 or 0.1 mg/L (user selectable) Temperature range -5 to 55 C (0 to 45 C; DO compensation range for mg/L ) Temperature accuracy + or - 0.2 C (+ or - 0.3 C cables over 45-meters) Temperature resolution 0.1 C Weight (with batteries) 475g / 1.05 lbs Dimensions 21.6 x 8.3 x 5.6cm/ 8.5 in x 3.25 in x 2.21 inches (H x W x D) H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back

. Dissolved oxygen (DO) meters measure the amount of dissolved oxygen present in water. The amount of DO helps to determine, for example, drinking water quality, the health of lakes or streams, and aquatic organism sustainability. A probe, also called a sensor or electrode, is inserted into the sample to perform the measurement, and the results appear on the meter display. Applications include sewage and water treatment plants, pollution control, fish farms, and various types of manufacturing.

YSI manufactures instruments, sensors, and software for environmental water quality monitoring and testing. The company, founded in 1948, is headquartered in Yellow Springs, OH.

What s in the Box? Pro20 meter (2) Alkaline C-cell batteries

Features

  • Handheld dissolved oxygen (DO) and temperature meter for lab or field use
  • One Touch Cal feature calibrates the meter within three seconds
  • Graphical, backlit display and glow-in-the-dark keypad
  • Takes a field cable and a polarographic or galvanic probe for field use, or a cable-probe assembly for lab use (cables and probes sold separately)
  • Impact-resistant and waterproof, rated IP67
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Brand: YSI   |   Manufacturer: YSI

Package Dimensions: 3.7 x 9 x 11.6 inches (9.4 x 22.9 x 29.5 cm)

Amazon Price: $532.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $560.00

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  #20

Atlas Scientific EZO-DO Dissolved Oxygen Embedded Circuit 0.01-100+ mg/L

Model: EZO-DO   |    Mpn: EZO-DO   |    Ean: 0798304184020   |    PartNumber: EZO-DO   |   Asin: B0078WUJUO

EZO Dissolved Oxygen Circuit - Precise Measurements of Temperature, Salinity & Pressure Concentration of Dissolved Oxygen

Reading the Dissolved Oxygen (D.O.) of a liquid is an extremely complicated task. It is not simply converting a voltage to a number using an ADC. Atlas Scientific has taken the complexity out of Dissolved Oxygen water quality analysis. The Atlas Scientific D.O.-4 Dissolved Oxygen Circuit is a highly compact D.O. monitoring system that fits into any breadboard. The D.O.-4 can take readings from any galvanic dissolved oxygen probe.

Features : Temperature, pressure and salinity are three major factors that change waters ability to hold oxygen. The Atlas Scientific EZO class Dissolved Oxygen Circuit is specifically designed to perform these calculations and quickly determine the waters dissolved oxygen in mg/L. EZO Dissolved Oxygen Circuit is electrically isolated from the EZO conductivity circuit. The Atlas Scientific EZO class Dissolved Oxygen Circuit is specifically designed to used in robotics applications and Precise measurements of temperature, salinity & pressure concentration of dissolved oxygen in water. This Circuits reads Dissolved Oxygen from a dissolved oxygen probe, sensor & electrode. This device does not include a dissolved oxygen probe, sensor & electrode. Atlas Scientific is the industry leader in embedded chemical sensing. This highly specialized company focuses all of its resources on manufacturing the best chemical sensors and test chemicals on the market today. Atlas Scientific proudly offers its technology to individuals, industry professionals, and defence contractors worldwide.

Please note: Dissolved Oxygen probe Required, NOT included.

Features

  • Reads: Dissolved Oxygen
  • Range: 0.01 - 100+ mg/L & 0.1 - 400+ % saturation
  • Accuracy: +/- 0.05 mg/L
  • Data Protocal: UART & I2C
  • Operation Voltage: 3.3V - 5V
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Brand: Atlas Scientific   |   Manufacturer: Atlas Scientific

Item Dimensions: 0.35 x 0.55 x 0.79 inches (0.9 x 1.4 x 2.0 cm)   |   Package Dimensions: 0.79 x 3.39 x 4.02 inches (2.0 x 8.6 x 10.2 cm)

Amazon Price: $46.00 | as of 08/22/2019(10:49am pst)
Availibility: Usually ships in 24 hours
List Price: $24.95

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