Reviews Function Tester

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

  • ...ospitals, 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 your different needs, you can choose the right color according to your needs. Main colors: yellow, gray, red as shown in the figure (optional)..
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Diode Check

  • 【Easy-to-use multi-function probe tester】The main functions of this power circuit probe tester include voltage and polarity test, continuity test, signal circuit test, current test, circuit breaker protection, relay test, injector test and cleaning, component activation and testing, poor ground testing, tracking and locating shorts, etc. It beeps to indicate the result while testing and is the most versatile and practical dedicated circuit repair test tool its users have ever had..
  • 【Best Electrical Tester】This electrical tester can supply power to electrical components, with reverse connection protection circuit, it is an advanced test tool for positive and negative line judgment. It shortens the diagnostic time of all 6 to 40 volt vehicle electrical systems, and is suitable for DC 6-40v cars, motorcycles, trucks, buses, construction vehicles, ships, tractors, mining vehicles and other vehicles that use DC circuits..
  • 【Quick Self Test & Relay Test & Circuit Breaker Protection】GODIAG GT101 circuit tester has quick self test function, which can ensure the tester is in good condition before use. The GT101 Probe Tester Kit can quickly detect whether t....
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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

  • 【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..
  • 【LIFETIME UPDATE SERVICE】digital battery checker tester can easily get upgraded when the new function is released, this is the essential function that top-level car battery tester should equip with! We will keep developing the newer software to ensure ac....
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VIVOSUN Digital PH Meter, TDS and EC Pen for Water, Soil Moisture Tester

  • pH Meter: With an Automatic Temperature Compensation function, the meter quickly adjusts to water temperature and provides near-immediate pH readings.
  • With our advanced technology, the test results are fast and accurate.
  • Results are clearly displayed on an LCD screen.
  • 3-in-1 TDS Meter: Also comes with Automatic Temperature Compensation and a long battery life.
  • Shuts off automatically if unused for 5 minutes.
  • Contains an agile titanium alloy electrode.
  • Easy to read the LCD screen and write with the hold function.
  • 3-in-1 Soil Tester: Tests soil moisture, light, and pH—just press one button to switch modes.
  • This tester can test soil moisture so you know when to water your soil.
  • Use this tester to rapidly grow and garden more efficiently.
  • Easy to Use: The pH meter is pocket-sized, lightweight, and easy to use and read—it even comes with a backlight so you can use it in darker areas.
  • The large LCD screen and save function on the TDS Meter make reading and recording a breeze.
  • The 10.8-inch Soil Tester is durable and easy to carry around, plug, and use and no batteries are required.
  • Versatile Application: Testing TDS and pH would greatly benefit your homes, labs, aquariums, swimming pools, hydroponics, and drinking water—it’ll save you money while prote....
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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)

  • ...s 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 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..
  • 【LIFETIME UPDATE SERVICE】digital battery checker tester can easily get upgraded when the new function is released, this is the essential function that top-level car battery tester should equip with! We will keep developing the newer software to ensure ac....
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Network Cable Tester - NOYAFA Cable Wire Fault Finder for RJ45 Cat5, Cat6, 5e, 6e Measure Length, Locate the Breakage Point, Check Wiring Error with 8 Far-end Passive Test Jacks

  • ★【 CONTINUITY TEST & WIRING DIAGRAM TEST FUNCTION 】 This network cable tester can do the continuity test, which can help you check whether your cable is working normally. The cat6 cable tester is able to determine the distance of open circuit and short circuit. Permits you to locate the wiring error in 5E/7E twisted cord network, coaxial cable and telephone line..
  • ★【 LONG BATTERY LIFE & 8 FAR-ENDS 】 The network cable tester is a portable unit with long battery life (wait-case or standby mode for over 50 hours). The device is equipped with 8 far-ends, and each one has a number to help you clearly locate each line and save your time..
  • ★【 MEASURE CABLE LENGTH & ABNORMAL PAIR AND LENGTH FOR RJ45 】When you use the network cable tester rj45 to measure the cable length, the normal pair & length will be shown in the screen. If there is an open circuit, it will show the specific length range in which this situation occurs. Note that the far end cannot be connected when using pair and length measurement..
  • ★【 CALIBRATION FUNCTION & EASY TO CARRY 】 The cat6 cable tester can do self-checking function and automatically compensates any change in battery capacity or ambient temperature. Dynamically calibrates cable length and make length measure....
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Tenergy 5-in-1 Battery Meter, Intelligent Cell Meter Digital Battery Checker Battery Balancer for LiPo / LiFePO4 / Li-ion / NiCd / NiMH Battery Packs

  • Multi-purpose battery meter - The Tenergy 5-in-1 cell meter estimate voltages for LiPo/LiFePO4/Li-ion (2-7 cells) packs and NiCd / NiMH batteries for TX and RX (4-7 cells). The battery capacity checker requires no additional accessories and is powered by the testing battery pack to quickly evaluate the pack's capacity..
  • Battery discharger - At the discharge rate of 180mA, the battery balancer discharger can discharge lithium-based battery packs to an adjustable threshold. By discharging your battery prior to charging will improve the runtime of your battery..
  • Balances batteries - The battery tester with balancer function helps to optimize your batteries performance and extend the overall lifespan by ensuring the individual cells are balanced..
  • Internal resistance tester - For lithium-based battery packs, the battery internal resistance tester function will display the internal resistance of each individual cell. Use the battery checker tester to evaluate the health of your battery pack and decide when to discard or replace it..
  • ECS/Servo PPM tester - The Servo tester supplies a reliable PPM signal to test and adjust your servo motors..
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VIVOSUN Digital PH Meter, 3-in-1TDS EC and Temperature Meter, Plant Soil MoistureTester Combo for Home, Garden and Hydroponics

  • pH Meter: With an Automatic Temperature Compensation function, the meter quickly adjusts to water temperature and provides near-immediate pH readings.
  • With our advanced technology, the test results are fast and accurate.
  • Results are clearly displayed on an LCD screen.
  • 3-in-1 TDS Meter: Also comes with Automatic Temperature Compensation and a long battery life.
  • Shuts off automatically if unused for 5 minutes.
  • Contains an agile titanium alloy electrode.
  • Easy to read the LCD screen and write with the hold function.
  • 3-in-1 Soil Tester: Tests soil moisture, light, and pH—just press one button to switch modes.
  • This tester can test soil moisture so you know when to water your soil.
  • Use this tester to rapidly grow and garden more efficiently.
  • Easy to Use: The pH meter is pocket-sized, lightweight, and easy to use and read—it even comes with a backlight so you can use it in darker areas.
  • The large LCD screen and save function on the TDS Meter make reading and recording a breeze.
  • The 10.8-inch Soil Tester is durable and easy to carry around, plug, and use and no batteries are required.
  • Versatile Application: Testing TDS and pH would greatly benefit your homes, labs, aquariums, swimming pools, hydroponics, and drinking water—it’ll save you money while prote....
Check Stock

Female Led Relationship Guide: How to Be a Femdom and Have the Perfect Female Domination Domestic Discipline Marriage or Relationship

  • 【Easy-to-use multi-function probe tester】The main functions of this power circuit probe tester include voltage and polarity test, continuity test, signal circuit test, current test, circuit breaker protection, relay test, injector test and cleaning, component activation and testing, poor ground testing, tracking and locating shorts, etc. It beeps to indicate the result while testing and is the most versatile and practical dedicated circuit repair test tool its users have ever had..
  • 【Best Electrical Tester】This electrical tester can supply power to electrical components, with reverse connection protection circuit, it is an advanced test tool for positive and negative line judgment. It shortens the diagnostic time of all 6 to 40 volt vehicle electrical systems, and is suitable for DC 6-40v cars, motorcycles, trucks, buses, construction vehicles, ships, tractors, mining vehicles and other vehicles that use DC circuits..
  • 【Quick Self Test & Relay Test & Circuit Breaker Protection】GODIAG GT101 circuit tester has quick self test function, which can ensure the tester is in good condition before use. The GT101 Probe Tester Kit can quickly detect whether t....
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TDS Meter Tester, Digital LCD Water Quality Tester Filter Pen, 0‑9999 PPM Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums (Red)

  • ...ospitals, 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 your different needs, you can choose the right color according to your needs. Main colors: yellow, gray, red as shown in the figure (optional)..
Check Stock