Reviews High Accuracy Tester

Aquarium Pharmaceuticals 30B pH Down Aquarium pH Adjuster 16 oz Model Number 17163020301

  • ［✔Wide Use］Ideal for home or laboratory use, drinking water, swimming pools, aquarium, fish tank, RO system or hydroponics..
  • ［✔High accuracy］pH meter has a sensitive electrode sensor, simply press "ON", It only takes a few seconds for your result to appear on....
  • ［✔Automatic Temperature Compensation］The pH tester has ATC function, so it can be adjusted according to water temperature to give pH readings....
  • ［✔Easy to Calibrate］Use "Calibration Buffer Powder" to calibrate the tester with one button. pH tester bright backlit LCD display, you can still....
  • ［✔User Friendly］Comes with protective case, lightweight, handheld design for portability and convenience. What You Get: 1x PH meter, 1x user....
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2 Pack pH Meter and TDS Meter, 0.05 pH High Accuracy Tester Pen, ± 2% Readout Accuracy Digital Water Quality Filter Pen, 0-9990ppm, Ideal Water Purity Test for Drinking Water, Aquariums, Hydroponics

  • 【pH Meter and TDS Meter】- Full measurement range of pH 0 - 14, reliable and quick readings. TDS Measurement Range: 0-9990ppm.
  • 【Quick Water Tester】- TDS (Total dissolved solids) digital water tester can accurately and quickly check the heavy metal content, soluble salt content, ionic organic matter, etc. in water, displayed on the screen in ppm (parts per million). extremely accurate and reliable, quick response within 3 seconds..
  • 【Accurate and Reliable】- To achieve high accuracy, TDS meter equipped with premium quality titanium alloy probe, pH tester has a sensitive electrode sensor ,simply press "ON", It only takes a few seconds for your result to appear on screen to read accurate pH levels..
  • 【Multifunctional and Upgraded】- Professional TDS, pH Pen. Upgraded with big LCD for easier reading, and hold-lock function for easier use. Just turn TDS meter on and stir water gently, then stabilized readings will be hold-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 5 minutes..
  • 【How to use calibration】- Press CAL for 5 seconds to enter the calibration mode, press in turn to select the p....
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KONNWEI KW720 Car Battery Tester 6V 12V 24V W/Printer, Battery Load Tester Automotive 100-2000CCA Digital Auto Battery Analyzer Alternator Starter Tester for Car Truck Motorcycle(Paper Included)

  • 【PROFESSIONAL-GRADE 6V-12V-24V CAR BATTERY TESTER】 KW720 is the top 1 battery tester automotive which can works on all 6V, 12V and 24V batteries(100-2000 CCA), testing result up to 99.99% accuracy, also great alternator and starter tester, the most reliable battery load tester on the market..
  • 【LARGE COLOR SCREEN + ENHANCED CLIPS + THERMAL PRINTER】compared to other similar 12V battery testers, KW720 is the only battery analyzer that adopts a very large color screen and rugged design. It also upgraded the connection cable(8.8ft) and enhanced the clips to reduce the measurement error. Besides you can print the testing data at any time with the built-in thermal printer(paper included)..
  • 【ADVANCED VOLTAGE WAVEFORM FUNCTION】KONNWEI is the only auto battery tester manufacturer that can catch the voltage changing and show the waveform into graphing, up to 20 points in one second, helps to track the real-time voltage to find the battery issue. Even can be uploaded to computer compare them to analyze the in-car system..
  • 【CRANKING AND CHARGING SYSTEM TEST】 KW720 provides overall batteries data in milliseconds including voltage, internal resistance, cold cranking amp, battery health and charge status. Also can test 6V, 12V and 24V car charging syste....
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GREENWON Breathalyzer, BAC Tracker Breathalizer Alcohol Test, Breathalyzer to Test Alcohol Tester Alcohol Breathalyzer to Test Alcohol Portable Mouthpieces Case Alcohol Tester Breathalizer for Alcohol

  • HIGH ACCURACY & SENSITIVE . This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, this portable breathalyzer can quickly give a result to judge whether you can drive or not(only 5 seconds). Provide you high accuracy test result(up to 0.01mg/l), four units of measurement can be converted(%BAC , BAC, mg/l, mg/100ml)..
  • ENERGY-SAVING & AUTO-OFF FUNCTION. Powered by 3AAA batteries( not included but commonly available), this breathalyzer will automatically shut off to save power after finishing the test for 5 seconds. Each time you install batteries, you can test more than 200 times. Moreover, this breath alcohol tester is designed with low power indication..
  • COMPACT DESIGN. This breathalyzer alcohol tester is space-saving, lightweight, portable, it is easy to hold and carry.you can put your breathalyzer into this bag when you do not use it. Pocket-size allows you take it anywhere and anytime, ensures your safe driving after drinking..
  • CONCEALED PORTABLE MOUTHPIECE CASE: This alcohol breathalyzer has a concealed mouthpiece case in the back of the equipment,this case can carry 5 PCS mouthpieces any time to keep the mouthpiece hygiene and clean.Meanwhile, you can share to your family....
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AS63D Vibrometer Pen Pocket Pen Vibration Meter Digital Vibration Meter Portable Mechanical Motor Vibration Tester for Mechanical Fault

  • Widely Applications: This Vibration Meter Tester is a good tool for measuring vibration. It is widely used in power, petrochemical, machinery manufacturing, metallurgy, vehicles and more..
  • High Sensitive Offers High Accuracy: High sensitivity probe for accurate measurement, provides long and short probe head, each one is suitable for different situation measurement..
  • LCD Backlight Offers Clear Reading: This Vibration Meter is equipped with LCD backlight, which can show the measuring values intuitively and clearly. It supports different vibration frequency selection, convenient to operate..
  • Usage: This Vibration Meter Gauge (also called vibration severity) adopts Piezoelectric Acceleration Transducer to transfer the vibration signal into electrical signal, analyze the input signals, and show the acceleration, speed, Displacement..
  • Pen-type tester: pen-type tester can be carried in your pocket.Simple to use, the structure is compact, portable..
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ORP Measure Pen, Easy To Operate Aquarium Pool Tester Portable for Hydroponics for Aquariums for Water Sources for Swimming Pools

  • Compact and portable pen design,easy to operate and storage..
  • Large and clear LCD, easy to read and accurately measuring functions..
  • The resolution of ORP tester is 1 mv, very high sensitivity..
  • The tester is made of high quality electronic components to ensure high accuracy..
  • Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems..
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Breathalyzer to Test Alcohol Professional Grade Accuracy Portable Breath Alcohol Tester for Personal and Professional Use with LCD Screen BAC Detector on Keychain

  • TRIED AND TESTED FOR ACCURACY: With its high-precision semiconductor alcohol sensor, the Breath Alcohol Tester will give you the most accurate results, and will sound an alarm if too much alcohol is detected..
  • HOW TO USE: Insert AAA batteries and press the power button. Once the Breath Alcohol Tester has warmed up, a “Blow” logo will appear on the screen. (For optimal results, wait 20 minutes after alcohol consumption to test for BAC). Blow into mouth piece for 2-3 seconds and wait 10-15 seconds for your results to appear..
  • READING RESULTS: When the display is more than 0.050% BAC or 0.500%₀ BAC or 0.250mg/L (BrAC), the tester will sound an alarm. Results will remain displayed for 20 seconds and then will automatically power off..
  • 5 MOUTH PIECES INCLUDED: Test yourself, your friends and family with the different mouthpieces. Drive safely and keep your family safe. Our Breath Alcohol Tester meets the high standards of the Roadside Law Enforcement, Hospital Employees & Treatment Professionals..
  • PORTABLE, LCD SCREEN: Our Breath Alcohol Tester is designed to fit in a pocket so you can take it with you when you go out to parties, weddings, social events – ensuring your safe driving after drinking. Bright blue backlight LCD screen provides a clear read....
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Breathalyzer, Professional-Grade Accuracy Breathalyzer to Test Alcohol, 5 Mouthpieces | LED Display | Quick Response

  • [ High Accuracy Breath Alcohol Tester ] – This alcohol breathalyzer adopted a high-precision semiconductor alcohol sensor, can real-time response and resume, minimize the mistakes.
  • provide you professional grade accuracy which rechargeable and has a long service life.
  • [ Energy-Saving and Auto-off ] – Powered by 2 x AAA batteries( not included, but commonly available), this breathalyzer will automatically shut off to save power after finishing the test for 10 seconds.
  • [ Easy to Use ] – Warm up for 10 seconds and blow into the breath inhaler for 3-5 seconds, then read the text result from the alcohol tester LCD screen.
  • the result will display about 10 seconds and then will automatically switch off (Please test several times for first time use).
  • [ Portable Designed Breathalyzer ] – Space-saving, lightweight, portable, easy to hold and carry, can put it on your bag or pocket, stay with your when driving.
  • great for wedding, parties, or other activities, ensures your safe driving.
  • [ 5 Mouthpieces for Replace ] – Comes with 5 replaceable mouthpieces, maintain health and hygiene alcohol test.
  • And the 5 mouthpieces can be cleaned and recycled, making recycling more environmentally friendly.
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Digital PH Meter, Water Quality Tester with 0-14ph Measurement Range, pH Meter 0.01 High Accuracy Pocket pH Tester, Suitable for Household Drinking Water, Aquarium, Swimming Pool, Hydroponics(1 Piece)

  • High Accuracy: Tester has a sensitive electrode sensor to read accurate pH Levels, it can ensure your pool, general hydroponics pH or even drinking water has a perfect pH balance. And the test range is from 0-14pH with an accuracy of 0.01pH, you can know better the liquid which you are going to use..
  • Easy to Use and Calibrate: Remove the protective cap and turn the meter by pressing the "ON/OFF" key, immerse the electrode in the solution to be tested, you can almost immediately get the pH test result of the water. As well, you can calibrate the tester with the button “CAL” using Buffer Powder..
  • Automatic Temperature Compensation: The pH meter can be adjusted automatically according to the water temperature and water quality, the tester can accurately test liquids which the temperature is range of 0°C - 60°C (32°F - 140°F). NOTICE: Its core functional part is a sensitive glass probe, which should be well protected and forbid with prolonged exposure to air..
  • Wide Use: The Pocket Size pH Meter, ideal tester for home and basic laboratory research uses. Suitable for testing the pH of drinking water, domestic food making (like wine, beer), swimming pools, aquariums, spas or hydroponics. It is definitely the perfect test kit for your daily life..
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