ReviewsHigh Accuracy Tester

Oakton AO-35423-01 EcoTestr pH 2+ Pocket pH Meter 1 pack

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..
FAST AND HIGH ACCURACY: Our Digital PH Meter can 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..
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 DegreeC - 80 DegreeC (32 DegreeF - 176 DegreeF)..
WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses.Suitable for testing the pH of drinking water, swimming pools, aquariums, reverse osmosis systems, spas or hydroponics.
ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer, etc..
MAKE YOU SATISFIED WITH THE PRODUCTS: Come with 1x PH meter, ....

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TENMA 72-9385 MODERN DIGITAL MULTIMETER

...oned】 This voltmeter can be used to measure AC/DC current, AC/DC voltage, resistance, frequency, duty cycle, capacitance, continuity, diode, and temperature. It is not only a voltage tester.
but also a multi-tester such as a circuit tester and electric meter..
【6000 Counts True-RMS Display】 New generation high accuracy chip, updated software and TRUE RMS(root mean square), provides higher range and more accurate readings, which makes this digital multimeter become an excellent helper for electrical test..
【User-friendly Design】 Equipped with backlight screen, flashlight, support stand and test leads holder, this voltage meter is really helpful for testing automotive and household electrical problems..
【Considerate Service】The package of this ohmmeter included 1 pair of test leads,1 pair of K-type test leads, 1 screwdriver, 1 storage bag, and 2 AAA batteries. Our brand IKOVWUK also provides a lifetime service and technical support..

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yintongdamaoyi Flower and Grass Detector World Edition Domestic Version Plant Cultivation Detector Soil Monitor

The tester is made of high quality electronic components to ensure high accuracy..
Large and clear LCD, easy to read and accurately measuring functions..
Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems..
Compact and portable pen design,easy to operate and storage..
The resolution of ORP tester is 1 mv, very high sensitivity..

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Vertlley Heavy Duty 3-48V Test Light Digital LCD Backlight Display Circuit Tester with 140 Inch Extended Spring Wire Car Truck Vehicles Automotive Low Voltage Backlit with Voltmeter Stainless Probe

...ls. This automotive circuit tester is larger and heavier than ordinary test lights on the market..
【ACCURATE LCD DIGITAL DISPLAY】The 3-48 volt test light is equipped with a digital backlit LCD. The digital light tester can resolution to 0.1V voltage reading on blue/white back light LCD digital display, with high accuracy to 0.1V. This digital voltmeter is very convenient for checking or maintaining vehicles at night or in dark places. (Two back light colors are shipped randomly).
【MORE CONVENIENT TO USE & CARRY】The 3-48v test light uses high-quality 140-inch (3.6m) PU spring wire with a large alligator clip. It is convenient to operate this tester light with one hand. This car fuse tester light is small in size and easy to carry around..
【DURABLE INSULATION】This circuit tester is equipped with pure copper clips and insulating sleeves, which can better clamp the body and screws. Insulated operation can avoid electric shock..

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Diamond Tester,High Accuracy Jewelry Diamond Tester，Jewelry Gem Tester Pen，Portable Electronic Diamond Checker Tool，Professional Diamond Selector for Novice and Expert Battery Included …

【Non-destructive Testing】 This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also....
【EASE OF USE】 The intuitive display design of the LCD display and LED indicator light makes the operation of the diamond checker tool easy. The....
【COMPACT SIZE FOR EASY PORTABILITY】 Our high accuracy diamond tester measures about 6.3 x 1.57 x 0.87 inches, it is small and portable, it is....
【MATCHING BATTERY】 Each diamond tester pen has a matching alkaline mercury-free environmentally friendly high-performance battery (DC 9V battery),....
【NOTICE】 Please read the instructions carefully before using the professional diamond tester , and use this product correctly in order to test out....

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KONNWEI KW710 Car Battery Tester 6V 12V 24V, Battery Load Tester Automotive 100-2000CCA Digital Auto Battery Analyzer Alternator Starter Tester for Car Truck Motorcycle Marine ATV SUV

【6V-12V-24V CAR BATTERY TESTER】 KW710 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】compared to other 12V battery testers, KW710 is the first battery analyzer that adopts a large color screen and rugged design. It also upgraded the connection cable(8.8ft) and enhanced the clips to reduce the measurement error..
【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】 KW710 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 system to make sure the output voltage of the generator is in a regular condition, the rectifier diode works fine and the charging current is normal status.....

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Diamond Tester Pen, ZAKVOP High Accuracy Jewelry Diamond Tester Tool, Upgraded Professional Diamond Selector for Novice and Expert, Portable Electronic Diamond Detector, Thermal Conductivity Meter

【Fast Results】: Diamond Selector II, Newest Diamond Tester Pen, high accuracy indicate genuine diamond or fake. This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds..
【Simple Use】: The diamond tester pen is simple to operate to get results. Just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently. When testing, the probe needle and the tested object must be at a 90° angle..
【Intuitive Design】: Professional Diamond Selector II will indicate genuine diamond or fake. The real diamond will make sound and LED light > = 9. Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and LED lights.
【Jeweler Diamond Tester】: This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes..
【Warm Reminder】: When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. Do Not test any metal. Do Not wear glove..

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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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