Reviews 3 star Tester

VIVOSUN Digital PH Meter, 3-in-1TDS EC and Temperature Meter, Plant Soil MoistureTester Combo for Home, Garden and Hydroponics

  • 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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JASTEK Portable Breathalyzer Tester with 1000mAh Rechargeable Battery, Personal Breathalyzer to Test Alcohol for Home, Party and Professional Use, Includes 10 Mouthpieces, USB Cable, and Storage Bag

  • Easy-to-use Portable Breathalyzer Tester - Just turn on the alcohol breathalyzer, insert the mouthpiece, wait 15 seconds to warm up, simply blow for 3-5 seconds and get an accurate reading, and your BAC results will be displayed on the bright LCD screen of the breathalyzer. Just remember to wait 20 minutes after drinking alcohol for the most accurate results..
  • The Personal Breathalyzer Tester has 3 unique features - Firstly, it allows users to adjust the breathalyzer tester with 6 common-used units, including %BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, ‰BAC-RU, ‰prom-PL. Secondly, users can set caution and alarming values according to their personal needs. Lastly, the alcohol breathalyzer can store up to 64 recent testing records for easy checking. The testing results range from 0.000-0.190％BAC / 0.000-0.950 mg / L with this alcohol breathalyzer tester..
  • Portable Breathalyzer Package includes - Breathalyzer Alcohol Tester x1, User manual x1, Mouthpieces x10, USB cable x1, Storage bag x1. Our breathalyzer alcohol tester provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us..
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GemOro Testerossa Talking Diamond Moissanite & White Sapphire Tester Silver

  • Size of Diamond Tester Pen: The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick. The portable diamond tester....
  • Detection Way: The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal....
  • Result Indicator of Diamond Reader: With diamond gem tester you will be able to know in a few seconds whether an item is fake or not, there are the....
  • Easy to Operate Jade Jewelry Tester: Simple calibration for stones of various sizes the jewelry tester silver and diamond tester are easy to use even....
  • Wide Uses of Electronic Diamond Tester: The diamond tester professional tester is mainly used for industrial purposes, circuit boards, and printing,....
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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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allsun EM480D Digital Earth Tester Insulation Resistance Tester Ground Resistance Meters Earth Ground Resistance Tester Measure AC Voltage to 200V with Backlight Display

  • 【WIDELY USED】This digital earth tester can measure grounding resistance as well as AC voltage to 200V, and it also can be used in the grounding resistance measurements of power system, electrical device, lightning protection device, etc. What’s more, it is also equipped with dust proof and moisture proof structure, which make it can be used in field operation..
  • 【ACCURATE & RELIABLE & EASY】This digital earth tester has improved the circuit, structure as well as process of the traditional grounding resistance tester so that its functions are more complete, the accuracy is much higher, and the operation is more convenient and reliable..
  • 【OVERLOAD PROTECTION】This digital earth tester has a complete overload protection circuit that any two terminals can withstand AC 380V for a minute..
  • 【EXCELLENT DESIGN】The appearance design of this digital earth tester is both beautiful and practical. The instrument panel function keys are clear and reasonable in layout..
  • 【EASY READING】This digital earth tester has not only large and clear 3. 5 inch LCD display, but also backlight display..
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Armada Technologies Pro48K Multi-Function Irrigation Test Kit with Tone Probe and Case

  • 【Overload Protection for Longer Life】Auto circuit breaker protect the tool from overload through the inner circuit breaker to enables product last longer and durable..
  • 【4 Adjustable Modes probe tester】AC detects the maximum and minimum voltage, supply frequency and duty cycle of the circuit under test.
  • DC detects the voltage value of the circuit under test.
  • In addition,the circuit tester can also detects the resistance between the circuit probe under test and the auxiliary ground.
  • Diode Test can quickly test the operation of the diode assembly and determines if it is conducting..
  • 【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 without looking at the menu once you are familiar with the tone.Provide 4.9ft of electrical wire for easy use..
  • 【WIDE Vehicles Application】 Power probe tester can support 6-30V cars, boats, trailers, ATV, motor homes and many other vehicles. With the ability to power components such as radiator fans, starter motors, relays, window regulators, windshield wipers, etc. Powered by the car battery or cigarette lighter, no extra battery or cable required.
  • 【3-YEAR WARRANTY Circuit Tester】 For damages caused by non-human factors....
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KKnoon Circuit Breaker Finder - Multifunction Network Cable Tester for CAT5/CAT6,Ethernet Cable Tester with Multimeter,Poe Circuit Tester,Test Fault Distance Location and Length Measurement

  • 【Upgrade Multi-Function Circuit Breaker Finder】 Including poe tester,Anti-disturbance cable scanning,continuity tester, voltage testing,Fault distance location,port flashing,Vibration Mode,Volume adjustment, multimeter, cable length testing, and LED flashlight function..
  • 【3 Modes Network Cable Scanning】Circuit breaker finder has a Unique Anti-disturbance digital scanning mode, analog mode, Poe mode.1500m Max audio transmission distance.16-20VP-P super strong signal to cable tracer.You can set the frequency, and three modes can be switched freely..
  • 【Multimeter】The breaker finder with all in one multimeter with DC AC Voltmeter and Ohm Volt Amp Tester.
  • Circuit tester measures voltage , Current.K-type probe to measure temperature 20-1000℃,AC Voltage, Current testing range 4-400V,1.0A-10A.NCV power display and diode testing..
  • 【Poe testing & Hub Blink】The K618 network cable tester can identify pins that are providing power and detect how much voltage, Locate network port by the flashing port light (blink every 1 second) on Hub and Switch. Available to 500M Hub/ switch. The measurement area includes circuit t....
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Greentest Instant Read Digital Nitrate Tester for Vegetable, Fruit, Meat, Food Safe Meter 2FBlack

  • Food Nitrate Tester--Nitrates cause serious disease. It has long been established that excessive nitrates are harmful to health. Nitrates significantly increase the risk of diabetes, Alzheimer's and Parkinson's disease and certain types of cancer. Some researchers believe that the dramatic rise in cancer of the esophagus recorded over recent decades can be attributed to excessive nitrates in fruit and vegetables..
  • Tester For Vegetable--Due to the dangers, most jurisdictions tightly control the nitrate content of meat products. Food producers who add nitrates to meat must comply with strict regulations and labelling requirements.Unfortunately nitrate levels in fresh fruit and vegetables are unregulated and unchecked in most places. There are no standards for producers or labelling requirements for sellers..
  • Tester for Fruit-- Greentest is a modern device for rapid analysis of nitrate content in fresh fruit, vegetables, fish and meat (in 3 seconds). TDS water hardness test (in 3 sec. ).
  • Tester for Meat--The device has a database of the 56 most common fruit and vegetables and is calibrated based on more than 1000 tests in leading laboratories specialised in spectrometric equipment.
  • Multifunctional Tester--Our company dedicates ourselves to changing the qual....
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Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

  • 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, professional(s) are not required. Simply turn on our Diamond Tester Pen detector.
  • place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. reads weights of adiamond use 200g/0.01g Mini Jewelry Scale, To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses..
  • This pocket scale has 200 gram max weight capacity and reads weights in increments of 0.01g. High precision sensors make sure the accuracy. 6 weigh modes available – g/ oz/ gn/ ct/ dwt/ ozt.Tare & Auto-off: You can use the tare function to zero the weight of container within 200g. Energy saving by 3 minutes auto-off function..
  • Portable Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Diamond Tester Pen and 60X LED Lighted Loupe combo and 200g/0.01g M....
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