Top 3 star Tester

WGGE AC Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Electrical Pen with LCD Display and Flashlight Buzzer Alarm, Detect Wire Breakpoint, Live/Null Wire Tester

  • Non-contact AC Voltage Measurement Tester - probe type induction, plastic insulation, The tester will flash and beep when the device close to AC Voltage greater during the specified Voltage range without touch the measured object, to ensure the safety of the human body, more convenient monitoring..
  • Safely Sound & light Alarm Tester Pen- distinguish the live and Null wire through different frequency alarm sound. The higher the voltage, the higher the audible alarm frequency and rate of flashing lights great, even in noisy environments..
  • Accurately Multi-ranging Measurement - The electrical tester accurately detects AC Voltage ranging from 12V to 1000V, and distinguish them into 3 Voltage levels (low, moderate, high). NCV sensitivity automatically adjusts from low, medium and high while indicating Voltage level with audible beep..
  • Low Voltage Indicator & LED Light - The shining prompt of low voltage LED and alarm of the power tester pen can warn you to replace the battery in time, while the LED light allows operation even in dark environment..
  • Auto Power Off Tester -The electrical tester operated with 2 x 1.5V AAA batteries(not included), auto power off after no operation for 3 minutes to save energy. Lightweight, durable construction with convenient pocke....
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VIVOSUN Digital PH Meter, TDS and EC Pen for Water, Soil Moisture Tester

  • 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 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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Case Compatible with Klein Tools ET310 AC Circuit Breaker Finder, 80041 Outlet Repair Tool Kit & RT250 GFCI Receptacle Tester, Electrical Tools Storage Organizer Holder Bag for Accessories (Box Only)

  • Case for circuit breaker finder with professional design: Electrical tester case is specially design for klein et310 breaker finder, also for klein tools 80041 outlet repair tool kit with RT250 GFCI receptacle tester, with zipper mesh pocket for circuit breaker leads, for circuit breaker finder accessory kit. For klein tool bag dimension: 9 x 3.5 x 3.4 inches..
  • Storage case for klein circuit breaker finder with comprehensive protection: Digital breaker finder storage holder for klein tools electrician tools is made of excellent and very durable EVA material, which is shockproof and dust resistance, Skid-proof, against impact and drop-proof, moisture-proof. Holder for klein circuit tracer can protect for electric circuit tracer from scratching, damaging. Please feel free to use because of the premium material for klein tools storage case..
  • Compact design for circuit breaker tester case: Firm and smooth zipper for klein tools circuit breaker finder storage bag is easy for opening and closing. The gfci tester storage organizer is easy for you to distinguish for klein et310 breaker finder or for circuit breaker adapters when open this electrical tester case. Case for klein tools et310 circuit finder help organize and store for klein breaker finder kit....
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Hot Tub and Pool Test Set 13 in 1 - Professional Pool and Spa Water Testing for Home Easy to Use

  • SPECIAL EDITION: Our water tester comes in a modern and improved edition to give you accurate results. The pool lab Photometer 13 in 1 gives you a modern solution for professional water analysis in whirlpools and pools. It has 6 quick access buttons for personal measuring methods..
  • MULTI-FUNCTIONAL: With our 13 in 1 water tester, you can test up to 13 water parameters such as pH value Chlorine(free/combined/total), Alkalinity (Acid Capacity), Cyanuric Acid (Stabilizer), Active Oxygen (MPS), Bromine, Chlorine Dioxide, Ozone, Hydrogen Peroxide LR, Hydrogen Peroxide HR, Total Hardness, Calcium Hardness, Urea. You only need our water tester to test the 13 water parameters..
  • FREE SOFTWARE: Our electronic water tester comes with free software that you can use in your PC and MAC. You can also use the free app for iOS and Android. You also get a free cloud service to help you synchronize data between your smartphone and computer. The cloud service also helps you store the data and make it easily accessible when you need it..
  • POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work. It comes with 3 x AAA batteries that can run the water tester for a long time before replacing them. Our water tester is just what you need in your ho....
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Upgraded Diamond Tester Pen, Environmental Protection 9V Battery, High Accuracy Jewelry Diamond Tester, Professional Diamond Selector for Novice and Expert, Accuracy Jewelry-Tester Pen

  • ✔◇✔This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake, including: diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes..
  • ✔◇✔SIMPLE TO USE : Diamond Tester Pen is simple to operate to get results. 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light lights up on the scale. 5. Make sure the " ready lamp" light is on. 6. (If test diamond, you then need to turn on the number of the light.
  • ✔◇✔Before Test: 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light light up on the scale. 5. Make sure the " ready lamp" light on. 6. (If test diamond, you then need to turn on the lights number corresponding to the indoor temperature and diamond weight.).7. (If test other gems, you'd better calibrate the probe, method: by placing the probe vertically on a glass, then adjusting the light to 5, then test the gems.).
  • ✔◇✔NOTICE: * When testing, the probe needle and the tested object must be at a 90° angle. * When testing diamond, your right index finger must keep touching the metal panel on the back of the t....
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Romondes RD510 3 in 1 Car Battery Tester, Car Battery Desulfator, 12V 4Ah-100Ah Fully Automatic Smart Battery Charger Automotive Pulse Repair

  • 【 3-in-1 Battery Tester & Charger & Repair 】Romondes RD510 is a professional 3 in 1 battery tester, battery charger, battery maintainer(pulse repair), battery desulfator. The large color LCD Screen and button-operated features will be more convenient compared to other similar products..
  • 【 Accurate Battery Tester 】Running for years but no idea about battery status? RD510 12V battery tester provides you an overall analysis of battery health by checking its voltage charge and internal resistance, then tells you whether the battery needs to be recharged. Also this battery analyzer runs cranking and charging system test and car alternator tester charging, which make you feel at peace on the road..
  • 【 Fully Automatic Battery Charger 】Charge batteries as low as 2V, max output 12V 5-amp. RD510 battery charger not only helps you charge the batteries but also adapts the newest pulse repair technology, one-click repair and automatically detects battery sulfation and acid stratification to bring the batteries back to life and restore their performance..
  • 【 Battery Repair 】Automatic sulfating and acid stratificatio....
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ABN Inline Spark Plug Tester – Straight Boot Ignition Test Light for Small Engine Car, Motorcycle, Lawn Mower, Chainsaw

  • QUICKLY DIAGNOSE MISFIRE ISSUES: Ignition misfires can cause your engine to stumble or lose power.
  • Use ABN Spark Plug Ignition Tester for Small Engines and Vehicles to quickly and easily diagnose ignition and engine issues and defects.
  • Troubleshoot spark plug connections, contact points, bad cables and more.
  • WORKS WITH YOUR VEHICLES: From small engines like motorcycles and lawn mowers to cars, trucks, boat motors, this small engine spark plug tester tool works for all internal and external combustion engines that use spark plugs.
  • This must have automotive spark tester tool will come in use in any personal or professional mechanic shops or auto garages.
  • EASY TO USE: Easily determine which cylinder is causing issues with this spark plug test light.
  • Simply connect the spark detector spark plug tool between the spark plug and the plug wire then start the engine.
  • If sparks are being sent, the in line spark tester will mirror the spark by lighting up.
  • If checking a no start condition, have a friend crank the engine so you can watch for indications of a spark.
  • LIGHT INDICATION: Spark plug light spark checker indicates inconsistencies and sparks in a way that keeps you safe from electric currents.
  • Intense bright white light indicates a healthy spark while jumpi....
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Photometer with Bluetooth - Electronic Pool Water Tester - Very Easy to Use Bluetooth Powerful App

  • SPECIAL EDITION: Our water tester comes in a modern and improved edition to give you accurate results. The pool lab Photometer 13 in 1 gives you a....
  • MULTI-FUNCTIONAL: With our 13 in 1 water tester, you can test up to 13 water parameters. You only need our water tester to test the 13 water....
  • SOFTWARE: Our electronic water tester comes with software that you can use in your PC and MAC. You can also use the app for iOS and Android. You also....
  • POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work.It comes with 3 x AAA batteries.Our water tester is just what....
  • EASY TO USE: The user guide is written in five languages English, German, French, Spanish, and Italian. It will take you through step by step on how....
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Hot Tub and Pool Test Set 13 in 1 - Professional Pool and Spa Water Testing for Home Easy to Use, Bluetooth, App, Support (PoolLab 1.0+Replacement Cuvette)

  • SPECIAL EDITION: Our water tester comes in a modern and improved edition to give you accurate results. The pool lab Photometer 13 in 1 gives you a modern solution for professional water analysis in whirlpools and pools. It has 6 quick access buttons for personal measuring methods..
  • MULTI-FUNCTIONAL: With our 13 in 1 water tester, you can test up to 13 water parameters such as pH value Chlorine(free/combined/total), Alkalinity (Acid Capacity), Cyanuric Acid (Stabilizer), Active Oxygen (MPS), Bromine, Chlorine Dioxide, Ozone, Hydrogen Peroxide LR, Hydrogen Peroxide HR, Total Hardness, Calcium Hardness, Urea. You only need our water tester to test the 13 water parameters..
  • FREE SOFTWARE: Our electronic water tester comes with free software that you can use in your PC and MAC. You can also use the free app for iOS and Android. You also get a free cloud service to help you synchronize data between your smartphone and computer. The cloud service also helps you store the data and make it easily accessible when you need it..
  • POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work. It comes with 3 x AAA batteries that can run the water tester for a long time before replacing them. Our water tester is just what you need in your ho....
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Inline Spark Tester Engine Ignition - Small Engine Plug Ignition Straight Boot Tester Light, Spark Plug Coil Diagnostic Detector Tool for Car/ Lawn Mower/ Automotive/ Vehicles Engines (2 Pcs)

  • Diagnose Misfire Trouble Swiftly ➤ Using AUSTIN inline spark plug tester could help you diagnose ignition and engine problems and defects quickly and easily. A small spark plug tester is the most direct and useful tool to detect problems such as spark plug connections, contact points, cable damage, etc..
  • Indicator light description ➤ The spark plug light checker could help the tester to make further adjustment plans through the indicator light. An Intense bright white light indicates a healthy spark, jumping colors indicate weak contact current, and no light indicates no current passing. Further, help you identify which cylinder is causing the problem and track down the exact cause..
  • Convenient Operation ➤ 1. Shut off the engine and remove the spark plug wire.
  • 2. Connect the black connector to the spark plug.
  • 3. Insert the metal end of the tester into the spark plug wire.
  • 4. Start the engine and observe the indicator light.
  • The time required for all internal combustion engine troubleshooting is approximately 20 seconds..
  • Fabulous Materials ➤ The ignition coil spark plug tester is made from high-quality high-temperat....
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Breathalyzer

  • Smart alarm functon&energy-saved design (BAC can be set by yourself) when the test result is higher than 0.05% BAC / 0.5 ‰ BAC (factory default....
  • Upgrade version: This breathalyzer adopts the rechargeable battery as the power supply.
  • when it is fully charged, it can be used 3 months.
  • Alcohol tester with 3 unique features: A) the breath aldohol tester rating is adjustable with 6 common-used units (%BAC-US, g/l-EU, mg/L-JP,....
  • Note: In order to make the test results accurately, please test with the alcohol breathalyzer 20 minutes later after drinking.
  • What you get: Breathalyzer *1, Mouthpieces *10, Caring bag*1, Micro USB Cable 39.37in (1 Meter), User manual *1. Our Alcohol tester provides the most....
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Power Probe ECT3000B ECT 3000 Box

  • 【Overload Protection for Longer Life】Auto circuit breaker protect the tool from overload through the inner circuit breaker to enables product last....
  • 【4 Adjustable Modes probe tester】AC detects the maximum and minimum voltage, supply frequency and duty cycle of the circuit under test.
  • 【Easy to Operate】Power probe built-in head light allow you to work in the dark area, there will be beep tone when detecting,operate the tool....
  • 【WIDE Vehicles Application】 Power probe tester can support 6-30V cars, boats, trailers, ATV, motor homes and many other vehicles. With the ability....
  • 【3-YEAR WARRANTY Circuit Tester】 For damages caused by non-human factors, AUTOOL promise to resend power probe circuit tester parts for free....
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