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Digital pH Controller with Temperature Compensation 4.5~8.5pH Adjustable pH Control Range Dual Relay Output Easy Plug and Play Operation pH Measurement for Aquarium, Hydroponics System

Asin: B0CRH74PNZ


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Dual Relay Output: Dual Relay Output Capability Enables Users To Switch Between Up And Down Modes, Offering Flexibility In Ph Adjustment Based On Specific Requirements..
Auto Record Functionality: Automatically Records Max/Min/Avg Data After Powering On, Providing A Convenient Way To Track And Analyze System Performance..
High-Precision Ph Sensor: Features A High-Precision Ph Sensor With Temperature Compensation, Ensuring Accurate And Stable Ph Measurements Even In Varying Temperature Conditions..
Comprehensive Lcd Display: Equipped With An Lcd Display For Comprehensive Data Presentation, Allowing Users To Easily Monitor Ph And Temperature Readings. Includes A Chart Display Feature That Records Ph And Temperature Readings For Up To Three Days, Providing A Visual Representation Of The System's Performance Over Time..

Features

  • Accurate pH Measurement: Adjustable pH control range from 4.5 to 8.5, allowing users to customize the pH level according to specific needs, such as hydroponic nutrient mixes and fish aquariums.
  • Comprehensive LCD Display: Equipped with an LCD display for comprehensive data presentation, allowing users to easily monitor pH and temperature readings. Includes a chart display feature that records pH and temperature readings for up to three days, providing a visual representation of the system's performance over time.
  • Dual Relay Output: Dual relay output capability enables users to switch between UP and DOWN modes, offering flexibility in pH adjustment based on specific requirements.
  • High-Precision pH Sensor: Features a high-precision pH sensor with temperature compensation, ensuring accurate and stable pH measurements even in varying temperature conditions.
  • Auto Record Functionality: Automatically records Max/Min/Avg data after powering on, providing a convenient way to track and analyze system performance.
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Brand: Gain Express   |   Manufacturer: Gain Express Holdings Ltd.

Dimensions: 4.53 x 11.61 x 11.61 Inches   |   Weight: 4.19 Pounds

Amazon Price: $235.90 | as of 05/21/2024 (6:11am pst) *DETAILS
Availability: In stock Usually ships within 3 to 4 days.

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VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified

Asin: B06XKMH86J   |   Model: 4336465266   |   PartNumber: 4336465266   |   Ean: 0615435160962   |   UPC: 615435160962

3-In-1 Tds Meter: Measurement Range 0-9990Ppm, 0-9990Μs/Cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This Meter Can't Test Sea Water.
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Features

  • Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
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  #2

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

Asin: B08HLXBBK4   |   Ean: 0761770870742   |   UPC: 761770870742

【Family Essentials】As A Tool To Improve The Quality Of Life. Can Be Used To Test Drinking Water, Swimming Pools, Ph Balance In Aquarium, Ro System, Spa Or Hydroponics. Basically All The Environments That Need To Test Ph Value Can Use This Tester To Get Accurate Data..
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【Easy To Use】Turn On The Switch,Put The Probe Into The Water And Stir (Make The Small Glass Ball Fully Contact The Liquid) And The Value Can Be Read When The Value Is Stable..
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Features

  • A friendly reminder: Regularly cleaning your Ph meter electrode is crucial for ensuring accurate data. Contamination of the electrode can lead to unstable measurements. Please use the appropriate cleaning solution. If you have any questions, feel free to reach out to our customer service.
  • Mini Size The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
  • Family Essentials As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
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  • Automatic temperature compensation There is no need to care about the temperature of the liquid being measured. The PH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality.
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Asin: B076MNQ16C   |   Model: AA battery 16 pack   |   PartNumber: AA battery 16 pack   |   Ean: 0611677933708   |   UPC: 611677933708

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First Available: 01/17/2019

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Asin: B09GV8G287   |   Ean: 0610395675785   |   UPC: 610395675785

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Brand: Alure   |   Manufacturer: Fenghua Junma Electronics Factory

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Brand: HAVASU NUTRITION   |   Manufacturer: Havasu Nutrition

Weight: 0.49 pounds

Warranty: Manufacture warranty 90 days from purchase date.

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Alure 3 Barrel Hair Waver for Beachy/Frizz-Free Waves w/LCD Temperature Display - 1 Inch Ceramic Tourmaline Triple Barrels, Dual Voltage Crimping Tool

Asin: B072QFNDCB   |   Ean: 0610395691778   |   UPC: 610395691778

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Features

  • WORKS ON ALL HAIR TYPES: Whether you have short or long locks; thick or thin, this three barrel curling iron works like a charm. The heated ceramic produces negatively charged ions that create soft, shiny waves without any frizz. And unlike single barrel styling irons that take ages to curl hair, this 3 barrel curling iron does it in a matter of minutes.
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  • CURLING MADE EASY: We've fitted the wand curling iron 3 piece hair waver with an LCD display to clearly display temperature, 360 degree rotatable and tangle-free cord, non-slip handle, and insulated barrel tips to provide added safety.
  • LIFETIME WARRANTY! DESIGNED FOR DURABILITY: Made using high-grade ceramic barrels coated with Teflon for superior PH resistance, this three barrel hair waver will last you through countless curling sessions. The lightweight and dual voltage curling iron (110V-220V) is also great for international travel.
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Brand: Asani   |   Manufacturer: Fenghua Junma Electronics Factory

Dimensions: 3.00 x 13.00 x 3.00 inches   |   Weight: 0.00 Pounds

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eSeasonGear SALT-3050 Waterproof IP65 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

Asin: B01BXDTSXW   |   Model: SALT-3050   |   PartNumber: SALT-3050   |   Ean: 0647608367427   |   UPC: 647608367427

*** Check Out The Salt-3050 + Ts107 Test Strips Combo.
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*** Works Only For Salt Water Pool And Koi Fish Pond Salt Level Testing..
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Brand: eSeasonGear   |   Manufacturer: eSeasongear

Weight: 0.00 pounds

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APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, 0.1 pH Accuracy

Asin: B01ENFOHN8   |   Model: PH20   |   PartNumber: PH20   |   Ean: 0858718006339   |   UPC: 858718006339

Comes In A Rugged Carrying Case With Ph 4&7 Buffers And A Lanyard.
Up To 2000 Hours' Continuous Operation, Powered By Aaa Batteries.
Auto Recognition Of Stable Values Improves Consistency, So You Don't Have To Guess When To Manually Hold Measurement.
Backed By Apera Quality Ph Sensor With Low Impedance, Ensuring High Response Rate.

Features

  • Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
  • Backed by Apera quality pH sensor with low impedance, ensuring high response rate
  • Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
  • Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
  • Up to 2000 hours' continuous operation, powered by AAA batteries
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Brand: Apera Instruments   |   Manufacturer: Apera Instruments

Dimensions: 1.18 x 7.01 x 1.61 inches   |   Weight: 0.24 pounds

Warranty: Two-Year limited warranty for the instrument, Six-Month limited warranty for the electrode(s).

Amazon Price: $61.13 | as of 05/21/2024 (6:11am pst) *DETAILS
List Price: $66.00 | Used Price: $50.67

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  #11

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, 0.01 pH Accuracy, Lcd display

Asin: B01ENFOIQE   |   Model: AI311   |   PartNumber: AI311   |   Ean: 0858718006049   |   UPC: 858718006049

Easy 1-3 Points Auto. Calibration, Recognizes 5 Types Of Solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (Atc) Ensures Accuracy In Various Temperatures (32-122˚F).
Complete Kit With Ready-To-Use Calibration Solutions, Calibration Bottles, Storage Solutions, Aaa Batteries, And A Lanyard All In A Rugged Portable Case.
Large Lcd With 3 Backlit Colors (Indicating Different Modes), Dual Display Of Temp./Ph, And Reminders Of Completed Calibrations And Stable Readings.
The Smiley Icon Indicates Stable Readings So You Won't Have To Guess When Is The Right Time To Record The Measurements.
High Quality Replaceable Glass Ph Probe, Suitable For Regular Water Solutions E.G. Pools&Spas, Hydroponics, Environmental Monitoring, Cooling Towers, Beverage, Etc..
Accuracy: 0.01 Ph; Range: -2.00 To 16.00 Ph, 32 To 122˚F (0 To 50˚C); Auto. Power-Off: 8 Minutes Without Operation.

Features

  • NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap
  • Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122 F (0 to 50 C); Auto. Power-Off: 8 minutes without operation
  • Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122 F)
  • High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
  • Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
  • The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
  • COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case
  • See more on Amazon...

Brand: Apera Instruments   |   Manufacturer: Apera Instruments

Dimensions: 1.60 x 7.00 x 1.60 inches   |   Weight: 0.29 pounds

Warranty: Two-Year limited warranty for the instrument, Six-Month limited warranty for the electrode(s).

Amazon Price: $78.90 | as of 05/21/2024 (6:11am pst) *DETAILS
List Price: $105.00

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  #12

bluelab pH Pen-Digital pH Tester - Reliable & Accurate for High Yield Crops - Hand-Held Meter - Measures pH & Temperature in Solutions and Soil Solutions - Optimize Plant Health & Performance,White

Asin: B005POOJHG   |   Model: PENPH   |   PartNumber: PENPH   |   Ean: 9421024920234   |   UPC: 706842510010, 715706332132

Double Junction Electrode Has A Longer Lifespan Compared To Standard Probes Due To Less Contamination And Is More Accurate And Reliable Than Comparable Pens, Test Strips, Drops, And More.
If Probe Is Dry, Soak In Kcl Solution For 24 Hours, Kcl Solution Is Sold Separately; Made In New Zealand, And Manufactured By Bluelab, The Industry Leader In Hydroponic Testing Equipment; 1-Year Limited Warranty With Proof Of Purchase.
Fully Waterproof - Not Just Water Resistant; Automatic Temperature Compensation For Accurate Readings Everywhere.
Other Features: Auto Off Function, Low Battery Indicator, Units For Temperature; Kit Includes: Aaa Battery, Lanyard, And Calibration Solution.
Combine With Ppm Meters For Full Indoor Garden Nutrients Monitoring In Water And Soil;.
This Hydroponics Tester Has Atc That Provides Consistent Reading Regardless Of Any Fluctuations In Temperature; Calibration Reminder; Durable Design For Repeated Uses; Fully Waterproof And Floats In Solutions.

Features

  • Measures pH in nutrient solution (acid or alkaline) for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing.Operating temperature : 0 - 50 C, 32 - 122 F.
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Calibration reminder; Durable design for repeated uses; Fully waterproof and floats in solutions
  • Double junction electrode has a longer lifespan compared to standard probes due to less contamination and is more accurate and reliable than comparable pens, test strips, drops, and more
  • Combine with ppm meters for full indoor garden nutrients monitoring in water and soil;
  • Fully waterproof - not just water resistant; Automatic temperature compensation for accurate readings everywhere
  • Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, lanyard, and calibration solution
  • IF PROBE IS DRY, SOAK IN KCL SOLUTION FOR 24 HOURS, KCL SOLUTION IS SOLD SEPARATELY; Made in New Zealand, and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1-Year Limited Warranty with proof of purchase
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Brand: bluelab   |   Manufacturer: Bluelab Corporation Limited - Import (NZ)

Dimensions: 0.98 x 8.00 x 2.16 inches   |   Weight: 0.27 pounds

Amazon Price: $99.99 | as of 05/21/2024 (6:11am pst) *DETAILS
List Price: $106.70 | Used Price: $68.86

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  #13

Digital Wall Clock Large Display, 16.2" Digital Wall Clock with RGB Color Changing Remote Control, Automatic Brightness Dimmer with Night Lights, Auto DST, Date Week,Temperature

Asin: B0CC7S1SCK   |   Model: PH-001   |   PartNumber: PH-001   |   Ean: 0787056839975   |   UPC: 787056839975

Auto/Manual Ajustable Brightness -16.2-Inch Alarm Clock With High-Definition Display Screen. Clear And Eye-Catching Giant Numbers. There Are Two Brightness Modes Available For You To Switch Between Manually Or Automatically, And You Can Set The Monitor Brightness To Levels 0-5. The Bottom Night Light Allows The Clock To Adapt To Various Environments, With A 10 Level Brightness Control To Create A Good Atmosphere. You Can Adjust The Brightness Or Turn It Off As Needed..
Must Be Inserted - It Is Not Battery Powered. It Must Be Used In Conjunction With A 5V/2A Power Adapter (Included). There Is A Memory Battery Inside That Remembers Your Settings Even When Disconnected, Suitable For All Indoor Occasions Such As Bedrooms, Living Rooms, Offices, Bathrooms, Hotels, Etc..
Multifunction Digital Timer Clock-- This Large Display Timer Clock Has Three Alarm Functions: Daily Alarm, Weekend Alarm, And Weekday Alarm. You Only Need To Press The Mode Button To Change The Mode, Which Is Simple To Operate. User Friendly Design, Month, Date, Week, Night Light, 12 Or 24 Hour Display Format, Indoor Temperature Display Unit In ℃ Or ℉, To Meet Your Various Needs. In Addition, It Also Has A Built-In Battery To Prevent Power Outages..
Remote Controlled Smart Alarm Clock -The Time, Date, Week, Daylight Saving Time, And Temperature Are Displayed On The Same Screen, Providing You With A Clear And Comfortable Visual Experience, And Important Information Is Clear At A Glance. More Importantly, This Practical Led Clock Does Not Have Any Complex Buttons, And There Is No Pressure When Setting The Time Or Alarm Clock. Perfect For Kids, Elderly People, And Visually Impaired Individuals..

Features

  • DYNAMIC RGB COLORFUL COLORS-16.2-inch alarm clock with high-definition display and 5 different single segment color modes for letters, plus 3 different multi color modes. A convenient remote control allows you to change colors, so you can have a color or custom color alternation.
  • REMOTE CONTROLLED SMART ALARM CLOCK -The time, date, week, daylight saving time, and temperature are displayed on the same screen, providing you with a clear and comfortable visual experience, and important information is clear at a glance. More importantly, this practical LED clock does not have any complex buttons, and there is no pressure when setting the time or alarm clock. Perfect for kids, elderly people, and visually impaired individuals.
  • AUTO/MANUAL AJUSTABLE BRIGHTNESS -16.2-inch alarm clock with high-definition display screen. Clear and eye-catching giant numbers. There are two brightness modes available for you to switch between manually or automatically, and you can set the monitor brightness to levels 0-5. The bottom night light allows the clock to adapt to various environments, with a 10 level brightness control to create a good atmosphere. You can adjust the brightness or turn it off as needed.
  • MULTIFUNCTION DIGITAL TIMER CLOCK-- This large display timer clock has three alarm functions: daily alarm, weekend alarm, and weekday alarm. You only need to press the mode button to change the mode, which is simple to operate. User friendly design, month, date, week, night light, 12 or 24 hour display format, indoor temperature display unit in or , to meet your various needs. In addition, it also has a built-in battery to prevent power outages.
  • MUST BE INSERTED - It is not battery powered. It must be used in conjunction with a 5V/2A power adapter (included). There is a memory battery inside that remembers your settings even when disconnected, suitable for all indoor occasions such as bedrooms, living rooms, offices, bathrooms, hotels, etc.
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Brand: YISILE   |   Manufacturer: YISILE

Dimensions: 5.00 x 5.00 x 1.50 inches   |   Weight: 1.63 Pounds

Amazon Price: $49.99 | as of 05/21/2024 (6:11am pst) *DETAILS
Used Price: $29.61

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  #14

PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack

Asin: B08S2YS52F   |   Ean: 0716782353172   |   UPC: 716782353172

Accurate & Reliable - These Testers Can Test Quickly And Accurately Within ±0.01 Ph. It Only Takes A Few Seconds To Show Accurate And Stable Reading For The Result To Appear On Screen..
Widely Application - These Meters Are Designed Small And Convenient. Ph Meter And Td&Ec Meter Can Test Ph Balance, Ideal For Testing Drinking Water, Swimming Pools, Aquarium, Spas, Hydroponics, Food And More. Soil Tester Is Applicable To Plants, Garden, Lawn And Farm Such As Rice/Vegetables/Flowers Etc..
Easy To Use - Ph Tester And Tds Meter Have Sensitive Electrode Sensor ,Simply Press "On". It Only Takes A Few Seconds For Your Result To Appear The Data On Screen. Soil Test Kit Just Need To Insert The Probes Into The Soil About 4-6 Inches, And Wait For About 10 Seconds To Read The Intuitive Data. No Battery Required..
Functions - The Digital Ph Pen Is Equipped With Auto Temperature Compensation Function. Tds Meter Has Lock & Auto Shut Off Function(Kindly Remind : This Meter Can't Test Sea Water.). Pushing The Button, It Can Display The Data About Water Purity Level On The Screen In Ppm (Parts Per Million). The Soil Meter Can Test Soil Ph To Help You Control The Ph Level In Soil. (Note: This Tester Is Designed For Testing Soil Only.).

Features

  • Super value - 1 PH Meter(yellow) +1 TDS & EC Meter (blue)+1soil tester kit (green). Total is 3 PCS.
  • Functions - The digital pH pen is equipped with auto temperature compensation function. TDS meter has lock & auto shut off function(Kindly remind : This meter can't test sea water.). Pushing the button, it can display the data about water purity level on the screen in PPM (parts per million). The soil meter can test soil pH to help you control the PH level in soil. (Note: this tester is designed for testing soil ONLY.)
  • Accurate & reliable - these testers can test quickly and accurately within 0.01 pH. It only takes a few seconds to show accurate and stable reading for the result to appear on screen.
  • Easy to use - ph tester and TDS meter have sensitive electrode sensor ,simply press ON. It only takes a few seconds for your result to appear the data on screen. Soil test kit just need to insert the probes into the soil about 4-6 inches, and wait for about 10 seconds to read the intuitive data. No battery required.
  • Widely application - these meters are designed small and convenient. PH meter and TD&EC meter can test pH balance, ideal for testing drinking water, swimming pools, aquarium, spas, hydroponics, food and more. Soil tester is applicable to plants, garden, lawn and farm such as rice/vegetables/flowers etc.
  • See more on Amazon...

Brand: Extenuating Threads   |   Manufacturer: Extenuating Threads

Amazon Price: $23.49 | as of 05/21/2024 (6:11am pst) *DETAILS

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  #15

VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army Green

Asin: B09FK73QKC   |   Model: 06N   |   PartNumber: 06N

Easy To Carry: Pocket Size, Lightweight, Handheld Design For Portability And Convenience.
Widely Used: Ideal For Household Or Commercial Use, Water, Pool, Spas, Liquid Food, Laboratory, Aquaculture And Hydroponics.
Lcd Digital Display: Easy To Use No Matter In The Day And Night Environment, And Accurate Measurement And Clear Display Results.
Easy To Calibrate: Press Cal For 5 Seconds To Enter The Calibration Mode, Press In Turn To Select The Powders Corresponding To 6.86, 4.01, And 9.18 To Complete The Calibration.

Features

  • High Accuarcy: 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
  • Easy to Calibrate: Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4.01, and 9.18 to complete the calibration
  • Easy to Carry: Pocket size, lightweight, handheld design for portability and convenience
  • LCD Digital Display: Easy to use no matter in the day and night environment, and accurate measurement and clear display results
  • Widely Used: Ideal for Household or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics
  • See more on Amazon...

Brand: VIVOSUN   |   Manufacturer: VIVOSUN

Weight: 0.10 Kilograms

Amazon Price: $12.99 ($12.99 / 100 g) | as of 05/21/2024 (6:11am pst) *DETAILS

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  #16

Echo Dot (5th Gen, 2022 release) | International Version with US Power Adaptor | Smart speaker with Alexa | Charcoal

Asin: B09B8MV3F1   |   Model: C2N6L4   |   PartNumber: C2N6L4   |   Ean: 0840080589732   |   UPC: 840080589732

Alexa Is Happy To Help – Ask Alexa For Weather Updates And To Set Hands-Free Timers, Get Answers To Your Questions And Even Hear Jokes. Need A Few Extra Minutes In The Morning? Just Tap Your Echo Dot To Snooze Your Alarm..
Designed To Protect Your Privacy – Amazon Is Not In The Business Of Selling Your Personal Information To Others. Built With Multiple Layers Of Privacy Controls, Including A Mic Off Button..
Do More With Device Pairing - Fill Your Home With Music Using Compatible Echo Devices In Different Rooms..
Keep Your Home Comfortable – Control Compatible Smart Home Devices With Your Voice And Routines Triggered By Built-In Motion Or Indoor Temperature Sensors. Create Routines To Automatically Turn On Lights When You Walk Into A Room, Or Start A Fan If The Inside Temperature Goes Above Your Comfort Zone..
Your Favorite Music And Content - Play Music, Audiobooks, And Podcasts From Amazon Music, (Unavailable In Ph, My, And Tw), Spotify And Tunein Or Via Bluetooth Throughout Your Home..

Features

  • OUR BEST SOUNDING ECHO DOT YET Enjoy an improved audio experience compared to any previous Echo Dot with Alexa for clearer vocals, deeper bass and vibrant sound in any room.
  • YOUR FAVORITE MUSIC AND CONTENT - Play music, audiobooks, and podcasts from Amazon Music, (unavailable in PH, MY, and TW), Spotify and TuneIn or via Bluetooth throughout your home.
  • ALEXA IS HAPPY TO HELP Ask Alexa for weather updates and to set hands-free timers, get answers to your questions and even hear jokes. Need a few extra minutes in the morning? Just tap your Echo Dot to snooze your alarm.
  • KEEP YOUR HOME COMFORTABLE Control compatible Smart Home devices with your voice and routines triggered by built-in motion or indoor temperature sensors. Create routines to automatically turn on lights when you walk into a room, or start a fan if the inside temperature goes above your comfort zone.
  • DESIGNED TO PROTECT YOUR PRIVACY Amazon is not in the business of selling your personal information to others. Built with multiple layers of privacy controls, including a mic off button.
  • DO MORE WITH DEVICE PAIRING - Fill your home with music using compatible Echo devices in different rooms.
  • See more on Amazon...

First Available: 10/26/2022

Brand: Amazon   |   Manufacturer: Amazon

Dimensions: 3.53 x 3.94 x 3.94 inches   |   Weight: 0.75 Pounds

Amazon Price: $49.99 | as of 05/21/2024 (6:11am pst) *DETAILS

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  #17

eSeasonGear SALT-3000 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

Asin: B019E82RPO   |   Ean: 0647608367410   |   UPC: 647608367410

Salt Range: 0-9990 Ppm; Temperature Range: 0-55 °C Or 32-130 °F; Not Waterproof ( Please Buy The Salt-3050 If You Need A Waterproof Salt Meter)..
*** 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!.
*** Works Only For Salt Water Pool And Koi Fish Pond Salt Level Testing..
Built-In Atc Sensor For Automatic Temperature Compensation; Built-In Salt (Nacl) Conversion Factor For Meter Calibration.

Features

  • Precalibrated at 3000 ppm salt (NaCl) at 25 C / 77 F
  • Built-in ATC sensor for automatic temperature compensation; Built-in salt (NaCl) conversion factor for meter calibration
  • Salt Range: 0-9990 ppm; Temperature Range: 0-55 C or 32-130 F; Not waterproof ( please buy the SALT-3050 if you need a waterproof salt meter).
  • *** 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!
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Brand: eSeasonGear   |   Manufacturer: eSeasongear

Warranty: 1 year manufactuer

Amazon Price: $21.99 | as of 05/21/2024 (6:11am pst) *DETAILS

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  #18

YINMIK PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing, Indoor Garden, Home Brewing, Pool, Aquarium

Asin: B0BFQ254XY   |   Model: YK-4   |   PartNumber: YK-4

{Multiple Uses-Ph Tester:} Multiparameter Meters Can Test Ph, Ec, Tds Levels And Temperature Of Ph Up And Down In Hydroponics To Know Your Water Is In The Perfect Range For Maximum Nutrient Uptake. Widely Used In Dwc Hydroponics System, Ro/Di Water, Drinking Water, Tap Water, Beer, Wine, Kombucha, Milk, Home Brewing, Pool, Aquarium, Reef Tank, Hot Tub, Aquaculture, Spas, Fish Tank And Urine..
{No Worries Of Ph Ppm Meter}: For Yk-4 Replacement Ph Probe; It Is Available At Yinmik Store, Save Your Maintenance Cost; For Calibration, You Can Find Ph 4.00 7.00 10.01 Calibration Solution And Calibration Powder In Yinmik Store; If You Need To Calibrate Ec Later, You Can Come To Yinmik Store To Choose Ec 1413Μs/Cm And 12.88Ms/Cm Calibration Solution.
{Ph Ec Meter With Stable And Reliable Reading:} The Additional Chip Makes The Ph Reading More Stable (Reduce The Interference Of Mobile Phones And Other Items On The Instrument), And The Automatic Temperature Compensation (32 To 122 ℉) Keeps The Reading Consistent..
{Easy To Calibrate-Ph Meter:} Automatic Ph Calibration. Supports 3-Point Ph Cal At 7.00, 4.00, 10.01. Comes With 2 Sets Of Ph Meter Calibration Powders (4&7&10) For Your Calibration Needs, (Ec And Tds Meters Are Pre-Calibrated). {Easy To Read:} The Large Screen Display With Green Backlight Helps To Read The Ph Tds Ec Meter At Odd Angles And In Low Light. Press The {Hold/Temp} Key To Lock The Reading, Which Helps To Easily Record Readings..

Features

  • {Multiparameter pH EC TDS Temp Meters:} Grower s good aid. YK-4 Pen Meter can measure pH, EC (Electrical conductivity), TDS (total dissolved solids), don t need others, just press {MODE/CAL} key to switch readings of pH, EC ( S/cm / mS/cm), TDS (ppm).
  • {Easy to Calibrate-pH Meter:} Automatic pH calibration. Supports 3-point pH CAL at 7.00, 4.00, 10.01. Comes with 2 sets of pH meter calibration powders (4&7&10) for your calibration needs, (EC and tds meters are pre-calibrated). {Easy to Read:} The large screen display with green Backlight helps to read the pH tds ec meter at odd angles and in low light. Press the {HOLD/TEMP} key to lock the reading, which helps to easily record readings.
  • {Multiple Uses-pH Tester:} Multiparameter Meters can test pH, EC, tds levels and temperature of pH up and down in hydroponics to know your water is in the perfect range for maximum nutrient uptake. Widely used in DWC hydroponics system, RO/DI water, drinking water, tap water, beer, wine, kombucha, milk, home brewing, pool, aquarium, reef tank, hot tub, aquaculture, Spas, fish tank and urine.
  • {pH EC Meter with Stable and Reliable Reading:} The additional chip makes the pH reading more stable (Reduce the interference of mobile phones and other items on the instrument), and the automatic temperature compensation (32 to 122 ) keeps the reading consistent.
  • {No Worries of pH PPM Meter}: For YK-4 replacement pH Probe; it is available at YINMIK Store, save your maintenance cost; For Calibration, you can find pH 4.00 7.00 10.01 Calibration solution and calibration powder in YINMIK Store; If you need to calibrate EC later, You can come to YINMIK Store to choose EC 1413 S/cm and 12.88mS/cm calibration solution
  • See more on Amazon...

Brand: YINMIK   |   Manufacturer: JiNan Huiquan Electronic Co., Ltd

Amazon Price: $18.99 | as of 05/21/2024 (6:11am pst) *DETAILS

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  #19

Brake Fluid Tester, High Precision Car Brake Fluid Detector, Hydraulic Fluid/Liquid/Oil Moisture Analyzer with LCD Screen Audible Alarm DOT3 DOT4 DOT5.1 Tester,Automotive Replacement Level Sensors

Asin: B08PFCLZSV   |   Ean: 0724190799116   |   UPC: 724190799116

[Easy Instant Read And Alarm] --- High Sensitive Probe + High Resolution Screen + Audible Alarm, Instant Display Result, Large Display With Backlight, Easy And Clear Reading In Sun Or Night. Never Limited By The Environments. As Soon As Brake Fluid Sounds Too Much Water Alarm, It Will Remind You That You Need To Change The Brake Fluid..
[Worry-Free Service] --- The Package Doesn't Include Battery, Please Buy Batteries In Your Local Market. And We Offer One Year Warranty. If You Cannot Confirm Its Compatibility, Please Feel Free To Consult Us. Support@Kingbolen.Com. Automotive Replacement Brake Fluid Level Sensors..
[Premium Quality And Ergonomic Design] --- Body With Good Texture, Compact Size, Perfect Hand Feeling. Gooseneck Surface Oils And Oxidation Resistant, Not Easily Corrosive. Simple Control Panel, Easy To Use. Probe Top With Flash Light, You Can Observe The Colour Of The Brake Fluid If Needed..
[Precision Test And Universal Probe] --- Highly Sensitive And Precise Probe, Can Quickly And Accurately Detect Dot-3, Dot-4, Dot-5.1 Brake Fluid And Has Received The Result In Seconds. The Gooseneck Probe Provides Flexibility In Detection, Making The Detection Process More Elastic And Efficient.Probe Top With Flash Light, You Can Observe The Colour Of The Brake Fluid If Needed..

Features

  • [Scope of Application] --- Automotive Brake Fluid Detector is common fit for most vehicle. Check the health status of DOT-3, DOT-4, DOT-5.1 brake fluid and also most synthetic brake fluids. It's extremly convenient for personal use and broadly applied in individual workshops, repair factories and dealer workshops.
  • [Precision test and universal probe] --- Highly sensitive and precise probe, can quickly and accurately detect DOT-3, DOT-4, DOT-5.1 brake fluid and has received the result in seconds. The gooseneck probe provides flexibility in detection, making the detection process more elastic and efficient.Probe top with flash light, you can observe the colour of the brake fluid if needed.
  • [Easy Instant Read and Alarm] --- High sensitive probe + high resolution screen + audible alarm, instant display result, large display with backlight, easy and clear reading in sun or night. NEVER LIMITED BY THE ENVIRONMENTS. As soon as brake fluid sounds too much water alarm, it will remind you that you need to change the brake fluid.
  • [Premium quality and ergonomic design] --- body with good texture, compact size, perfect hand feeling. Gooseneck surface oils and oxidation resistant, not easily corrosive. Simple control panel, easy to use. Probe top with flash light, you can observe the colour of the brake fluid if needed.
  • [WORRY-FREE SERVICE] --- The package doesn't include battery, please buy batteries in your local market. And We offer one year warranty. If you cannot confirm its compatibility, please feel free to consult us. support@kingbolen.com. Automotive Replacement Brake Fluid Level Sensors.
  • See more on Amazon...

Brand: KINGBOLEN   |   Manufacturer: KINGBOLEN

Dimensions: 2.70 x 10.00 x 2.00 inches

Amazon Price: $23.99 | as of 05/21/2024 (6:11am pst) *DETAILS
Used Price: $22.24

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  #20

JiocoVino Digital pH/TDS Meter for Water Quality, 4 in 1 Waterproof Water Tester with Backlit Measurement 1-9990ppm for Drinking Swimming Pool Hydroponic Aquarium (Ivory White)

Asin: B0CPBHYS65

Convenient And Portable: Compact Design For Easy Handling, Allowing You To Carry This Water Tester Wherever You Go, Facilitating On-The-Spot Water Quality Assessments..
User-Friendly Operation: Enjoy Hassle-Free Testing With A User-Friendly Interface, Making This Ph Meter An Essential Tool For Both Professionals And Individuals Ensuring Water Quality At Home Or In Specialized Settings..
Note: The Pool Water Tester Are Calibrated At The Factory Prior To Shipment, So They Are Ready To Use As Soon As You Get Them. You Will Only Need To Calibrate It If You Are Not Going To Use It For A Long Period Of Time. It Is Normal For The Parameters To Jump Around When You Turn On The Product Because The Pen Is Automatically Calibrating And Will Stabilize When You Insert It Into The Water..
Multi-Parameter Functionality: Simultaneously Measure Ph And Tds Levels, Offering Comprehensive Insights Into The Health Of Your Water Sources For Enhanced Peace Of Mind..
Accurate Ph Measurements: Ensure Precision With Our Ph Meter, Providing Reliable Readings Crucial For Maintaining Optimal Conditions In Various Water Environments..

Features

  • Versatile Water Testing: 4-in-1 pH TDS meter for water, an all-inclusive solution for assessing water quality in drinking, swimming pools, hydroponic systems, and aquariums.
  • Accurate pH Measurements: Ensure precision with our pH meter, providing reliable readings crucial for maintaining optimal conditions in various water environments.
  • Convenient and Portable: Compact design for easy handling, allowing you to carry this water tester wherever you go, facilitating on-the-spot water quality assessments.
  • Multi-Parameter Functionality: Simultaneously measure pH and TDS levels, offering comprehensive insights into the health of your water sources for enhanced peace of mind.
  • User-Friendly Operation: Enjoy hassle-free testing with a user-friendly interface, making this pH meter an essential tool for both professionals and individuals ensuring water quality at home or in specialized settings.
  • NOTE: The pool water tester are calibrated at the factory prior to shipment, so they are ready to use as soon as you get them. You will only need to calibrate it if you are not going to use it for a long period of time. It is normal for the parameters to jump around when you turn on the product because the pen is automatically calibrating and will stabilize when you insert it into the water.
  • See more on Amazon...

Brand: JiocoVino   |   Manufacturer: JiocoVino

Dimensions: 7.08 x 1.38 x 1.38 inches   |   Weight: 0.22 pounds

Amazon Price: $24.99 | as of 05/21/2024 (6:11am pst) *DETAILS
List Price: $35.99 | Used Price: $19.99

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