ReviewsOxygen Tester Meter

Professional Handheld Alcohol 0‑80% Test Refractometer， Tester Meter Measure Instrument

  • 【Wide use】 TDS instrument tester can be used for water purifiers and filters, food (vegetables, fruits) and beverage quality monitoring, swimming pools and spas, aquariums, hydroponics, etc. It is suitable for water quality testing in water laboratories, CDC, aquaculture, hospitals, swimming pools and household tap water..
  • 【Test the purity of your water】 How pure is your water? Use this portable TDS meter tester to test the purity of water, use our TDS water quality tester, it will tell you your overall water purity level and display it on the screen in ppm (parts per million)..
  • 【Function】Our TDS meter tester has a hold function and an automatic shutdown function, which can save the measured value for easy reading and recording. Turn off the meter after 10 minutes of non-use to save battery power. Press the "TEMP" key to switch the thermometer between Fahrenheit and Celsius..
  • 【Measuring range】 0-9999ppm, resolution 1ppm. From 1,000 to 9,999 ppm, with a resolution of 10 ppm, expressed in drinking x 10 images, factory calibrated. To ensure that you always drink pure and safe water, we recommend that every household use a TDS tester..
  • 【Multiple choices】 We have a variety of different colors for you to choose, different colors meet y....
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Lisle 64970 Parasitic Drain Tester

  • Replaceable in-line fuses protect both the meter and tester in the event a high current source on the vehicle is left on.
  • The multimeter is bypassed with the switch during connection in case of a power surge.
  • The tester and meter can remain connected until other computer systems shut down, isolating the drain.
  • As a convenience, stacking banana connectors are used on the tester.
  • This allows voltage to be measured on various locations on the vehicle during the drain test, using standard test leads.
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Hofun TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

  • ✔[ BONUS 3 in 1 Digital TDS Temperature & Conductivity Meter] Hofun 3 in 1 TDS, Electric Temperature & Conductivity Meter features the most advanced and updated technology. Three different measurement needs can be fulfilled by one digital water quality tester. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life..
  • ✔[ RELIABLE TDS METER -- ACCURATE & QUICK] Equipped with premium quality titanium alloy probe, Hofun TDS water quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate results in seconds. In addition, advanced and reliable systerm ensures measurement accuracy, 0-9999 ppm, making it fits multiple usages, hydroponics meter，Ideal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc..
  • ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: Internatio....
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Sper Scientific 860040 Turbidity Meter

  • ✅High Accuracy&One-Button Lock Reading Function - With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response.One-button lock reading function helps lock reading even if the tester is taken out of the sample!.
  • ✅Automatic Calibration - The digital ph meter for water uses a 3-point AUTOMATIC calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18 to ensure the accuracy of your measurements..
  • ✅Automatic Temperature Compensation - No longer need to pay attention to the temperature of testing liquid, Allprettyall ph tester digital can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature..
  • ✅Wide Application-Allprettyall water quality tester designed in pH and temperature can be measured simultaneously with high precision. Omni-directional measurement of water quality to ensure the health of water quality! The ph meter digital water tester is ideal for drinking water,daily household,hydroponics,sewage, lab teaching and ANY water sample..
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Hofun TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Digital Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, Hydroponics

  • ✔[ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Hofun ppm water tester is equipped with premium quality titanium alloy probe, which enables quick and convenient water total dissolved solids(tds) test. 0-9999ppm wide test range makes it fits multiple uses, like drinking water test, swimming pool, hot tub, laboratory, hydroponics, aquariums, well water, tap water, etc..
  • ✔[ BONUS 3 in 1 TDS , EC & TEMP METER ] Hofun 3 in 1 TDS Meter, Electric Conductivity Meter & Temperature Meter features the most updated technology. Three different measurement needs can be fulfilled by one water tester meter. Not only been convenient for you, but also saves your time and money, absolutely a helpful water test kit for your water safety at home..
  • ✔[ 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.).
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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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KETOTEK Digital Water TDS Meter PH Meter PPM Tester has TDS-EC-Temp 3-in-1 and ±2% Accuracy PH Tester with 0-14.00PH and 0.01 Accuracy TDS PH Meters for Aquariums Water Hydroponics RO System

  • COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it....
  • WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in....
  • AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5....
  • AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced....
  • SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you....
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pH Meter for Water and TDS Meter Water pH Meter and 3 in 1 TDS&EC Water Tester Combo ±0.01 pH Accuracy ±2% F.S Accuracy TDS/EC/Temperature Meter for Hydroponics Household Drinking and Aquarium

  • You will get – 1x PH water Meter(yellow) +1x TDS Meter (blue). Total is 2 PCS..
  • Function – pH digital tester kit is equipped with auto temperature compensation function, it can adjusts to water temperatures and water quality to....
  • Accurate & reliable – these digital meters can test quickly and accurately within ±0.01 pH. It only takes a few seconds to show accurate and stable....
  • 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....
  • Widely application – our water tester kits are designed small and convenient. PH meter and TD&EC meter can test pH balance, ideal for testing....
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AquaticLife TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water Aquariums Hydroponics 0-999 ppm Measuring Range 1 ppm Increments 2% Readout Accuracy

  • TDS METER DIGITAL TESTER – The handheld TDS meter digital water tester allows you to accurately measure the Total Dissolved Solids in water. Ideal....
  • IDEAL FOR TESTING WATER QUALITY – Test the water quality from multiple sources. Use this TDS meter for RO/RODI system drinking water, aquariums,....
  • PROVIDES HIGHLY ACCURATE READINGS – This TDS water quality tester provides highly accurate readings. Its hold function saves measurement for....
  • 1000 HOURS OF USAGE – The battery of this TDS measure test pen provides approximately 1000 hours of usage. An auto-off function saves battery life....
  • EASY TO READ DISPLAY – A large, easy-to-read LCD screen display on this TDS water testing meter makes it easy to see results. Its power source is 2....
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Capacitance Meter Capacitor Tester Capacitance Resistance Meters Ohmmeters Resistor LCR Meter Measures AC/DC Current Capacitance Frequency Diode Test Continuity Test Temperature (UT601)

  • ☛ WIDE APPLICATION---With a broad capacitance measurement range and precise accuracy, the capacitance meter capacitor tester can measure resistance, transistor, diode and continuity buzzer.
  • ☛ LARGE DISPLAYING SCREEN---With large displaying screen, the capacitance meter capacitor tester allows you to read clearly and easily, convenient to read.
  • ☛ RANGE SWITCH---The range switch enables you to choose related resistance, capacitance and inductance to measure, according to your relative data, easy to operate.
  • ☛ SAFE TO OPERATE---Adopting durable insulating cover, the capacitance meter capacitor tester is safe to operate. Accurate and clear test port will simply your process.
  • ☛ LOW BATTERY INDICATION---The capacitance meter capacitor can be used in measuring the circuit designed capacitance of cable, switch and PCB layout. Diode and buzzer continuity measurements, inductance measurement, low battery indication.
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OEMTOOLS 24338 100A Battery Load Tester & Voltage Tester, Easy-to-Use Car Battery Tester, Works On Trucks, RVs, Golf Carts

  • SIMPLE, POWERFUL VOLTAGE TESTER: No need to go to the shop for a battery reading.
  • In 10 seconds our battery tester automotive tool will do its job.
  • Widely useful—tests the batteries of cars, trucks and RVs.
  • Can be used as a golf cart battery meter.
  • BATTERY AND ALTERNATOR TESTER: Get an easy reading with our battery analyzer.
  • The shock-resistant meter is housed in a steel case.
  • Doubles as an alternator tester and can easily tell you whether your alternator is properly charging your battery.
  • MADE FOR 6V AND 12V BATTERIES: These handheld 6v and 12v battery load testers are made for testing up to 1,000CCA.
  • Comes with heavy-duty copper-plated clamps.
  • It tests three aspects of battery health: battery condition, load, and alternator health.
  • VERSATILE BATTERY CHECKER: Many uses for our battery tester: automotive, golf carts, ATVs, etc..
  • Our automotive battery testers work on large and small batteries, installed and uninstalled.
  • Determines the state of charge, cranking, and charging volts.
  • EASY STORAGE & CARRY: The battery load tester 12v tool’s handle makes it easy to bring with you—store it in your car, truck, or RV.
  • Combine the 12v battery tester with a switch tester and test your vehicle's full electrical system.
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