Reviews Snap Button Tester

Lisle 32900 Heavy Duty Circuit Tester and Jumper

  • Comes with a strain relief spring on the cord.
  • Heavy-duty circuit tester for checking low voltage up to 12 volts.
  • By depressing the red button the tester becomes a jumper for powering electrical components or a ground.
  • The probe, handle, cord and clamp are reinforced for durability..
  • Comes with a strain relief spring on the cord..
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VIVOSUN Digital PH Meter, TDS and EC Pen for Water, Soil Moisture Tester

  • ...n-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 protecting your health.
  • The 3-in-1 Soil Tester can test soil moisture, light, and pH, and the results will help inform you how to improve plant health.
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TRENDnet Inline PoE Tester, TC-NTP1, Tests 4PPoE, PoE+, PoE & Passive PoE Technology, Wattage, Voltage, Amperage, Polarity, LED Display, Battery-Free, Troubleshoot PoE Issues, IEEE 802.3af/at/bt

  • PORTS: This Inline PoE tester is equipped with 1 x Gigabit port for PSE connection, and 1 x Gigabit port for PoE Device connection.
  • TESTING MODES: The TC-NTP1 supports three testing functions. T-mode allows you to test your PSE device to determine the PoE switch's or injector's supported PoE standards, as well as voltage output. N-mode is used for non-standard passive PoE devices. I-mode is used for PoE inline testing, which displays the voltage, amperage, and wattage of the connected PD.
  • USER FRIENDLY: The TC-NTP1 PoE cable tester provides battery-free operation, and is ready for use right out of the box.
  • COMPATABILITY: The PoE cable tester is compatible with IEEE 802.3af/at/bt PoE devices up to 100W, and non-standard passive PoE devices from 11V – 60V..
  • STEP BUTTON: The convenient step button on the PoE cable tester allows users to cycle through voltage, amperage, and wattage readouts. It also allows users to lock the display to a specific readout (e.g. wattage) for real-time monitoring..
  • TROUBLESHOOT IN REAL TIME: Troubleshoot PoE issues in real-time on-the-go and accurately test 4PPoE, PoE+, PoE, and passive PoE technologies with this compact and lightweight PoE testing tool..
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KHTD Brake Fluid Tester Pen, Auto Brake Diagnostic Testing Tool with 5 LED Lights, Compatible with DOT3 DOT4 DOT5.1 Brake Fluid

  • CONVENIENT TOOL: This brake fluid tester pen shape design is a very small and convenient tool to test the moisture of your auto brake fluid. Simply press the button at the top, dip the probe the Testing the water content of your brake fluid dot 3, dot 4 and more will only take few seconds..
  • MULTIPLE TESTING TYPE: The dot 3 brake fluid tester can also be uses for testing the fluids of DOT4, DOT5.1, ENV6 & ENV4. With this one automotive brake fluid tester, you can finish different jobs..
  • EASY TO READ: With the percentage readings next to the LED lights on the brake fluid tester pen, you can simply read the result of water content in your brake fluid. When multiple LED lights are on, the maximum readings shall be the result of the brake fluid testing..
  • PREMIUM QUALITY: This pen brake fluid tester is made of premium nylon raw material more durable to use. （1 AAA battery needed for use, not included in the Pack).
  • QUICK RESPONSE: we are committed to offer good products as well as good services. Feel free to contact us if you have any problems.
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Battery Tester Checker Universal Small Battery Tester for AAA AA C D 9V 1.5V Button Cell Batteries Checker - Small Volt Checker for All Batteries - 1 Pack

  • Easy to Read: Battery checker tester activated by the battery being checked, the pointer clearly show the current battery health status accurately. Replace/ Recharge-red,Low-yellow,Good-green..
  • High Compatibility: Work for standard and rechargeable household batteries AAA, AA, C, D, 1.5V, 9V and button cell batteries..
  • Portable & Light: ABS material makes this battery tester volt checker is small and exquisite, you can put it in a pocket easily..
  • Life Helper: Battery checker tester expect a result almost instantly. It accurately tests the condition of batteries, and lets you know if they need to be replaced..
  • Note: Please place the battery tester in a dry place at room temperature, and remove the battery when the test is not needed..
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Amprobe AT-8020 Advanced Industrial Wire Tracer Kit

  • ... like DC Voltage, AC Voltage, Signal Frequency, Duty Cycle, Fuel Injection, Resistance, and Diode.
  • 【QUICK DIAGNOSIS】Quicker troubleshoot and diagnose circuit conditions by switching waveform display from the digital display for AC Voltage, Frequency, Duty Cycle, and Fuel Inject testings by long-pressing the mode button for 3 seconds.
  • 【WIDELY APPLICATION】Works on 12V 100-2000CCA lead acid batteries , including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL and EFB. Also, it is suitable for cars, motorcycles, trucks, ATVs, SUVs, boats, yachts, mowers, and even golf carts and lawn tractors batteries.
  • 【CRANKING & CHARGING SYSTEM TEST】Presents you with the test results (actual cranking voltage & cranking time) of the starter system in milliseconds to indicate if the cranking system is working as expected. Also, the battery load tester conducts a throughout check on the 12V charging system to make sure a normal generator output，perfectly working rectifier diode and under controlled charging current.
  • 【SAFE PROTECTION DESIGN】The battery tester doesn’t emit light, heat or spark, and won’t discharge the battery. It also has polarities wrongly-connected protection, over-voltage protection and automatic temperature compensation. What's more,i....
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Non-Contact Voltage Tester Pen - Dual Range AC Voltage Tester 12V/48V-1000V, Live/Null Wire Circuit Detection Tester Breakpoint Finder Electrical Outlet Voltage Detector, Measure AC Circuit Tester

  • ...5 minutes, it will automatically shut down to save energy. Pocket-sized electric test pen with a pen hook, which is very convenient to carry.
  • Efficient: Our live wire voltage tester can be used to test circuit breakers, lighting fixtures, switches, sockets, etc. anywhere you need it with a long press of the red button for 2s. Dual range detector pen is very suitable for electricians and home users, when voltage exceeds 90V, the socket voltage detector will issue a high voltage alarm and the safety symbol on the screen will light up, NCV probe voltage detector is an efficient tool to help home appliance repair and circuit inspection.
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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)

  • ... 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..
  • Package Includes: 1x PH Meter, 1x Carrying case, 2x 1.5V LR44 button cells(build-in), 3x pH buffer powder, 1x User's manual. The included detailed manual will show you how to get the best accurate and stable reading..
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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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