Best Group Tester One

IDEAL INDUSTRIES INC. 61-076 Vol-Con Solenoid Voltage Tester with Vibration Mode, AC/DC Voltage Level Testing, CATIII for 600v

SAFETY VOL-CON DESIGN: Dual voltage indication for backup safety. Independent solenoid and electronic circuitry design provides back-up voltage indication for added safety..
MANY APPLICATIONS: Vol-Con Voltage/Continuity Tester can be used for locating blown fuses, finding the grounded side of the line, checking continuity of cords, motors, appliances, etc., or locating excessive leakage to ground..
LED INDICATOR: Easy to read voltage tester. Bright, long-life LEDs and neon indicator lamp..
VIBRATION MODE: The IDEAL voltage tester features a vibration mode with indicator movement for clear and accurate testing..
ULTRA-DURABLE CONSTRUCTION: The Vol-Con Tester is extremely rugged and reliable. Ultrasonically welded and O-ring sealed for added durability..
Extremely rugged and reliable three-in-one tester.

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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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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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OEMTOOLS 24507 Professional Series Ethylene Glycol Antifreeze Tester,Tests Freezing Point of Antifreeze and Proper Water/Coolant Mixture

WORKS WITH YOUR ENGINE HOT OR COLD: Disc-type tester is accurate at all temperatures.
Tests your coolant’s freezing point and helps guard against coolant overprotection.
EASY TO READ: Count the number of floating disks in the coolant tester and compare it to the chart on the body of the tester, which shows coolant freezing temperature in both Celsius and Fahrenheit.
Five floating discs means ideal protection.
PREVENTS OVERPROTECTION: Includes a special 6th disc which shows overprotection and a loss of coolant efficiency due to a bad water-coolant mix.
Our antifreeze and coolant tester has you covered.
SIMPLE AND POWERFUL: Features a clear body that makes it easy to check your coolant for impurities, such as rust.
All-in-one coolant tester kit features a simple yet powerful design.
WORKS ON ANY VEHICLE: Test diesel antifreeze, RV antifreeze, camper antifreeze, marine antifreeze, just about any vehicle's antifreeze coolant with ease with our coolant tester.

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Horizon Jeweler Tool Kit - Portable Diamond Tester Pen with 60X LED Lighted Loupe Magnifying Glasses Combo

✔️【Simple to Use】Horizon’s Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our....
✔️【Portable】Horizon’s Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small....
✔️【All-in-one Kit】At Horizon, we wanted to create a Diamond Tester Kit that you can use the moment you get it and so we did. Horizon’s....
✔️【Fast Results】Horizon’s Diamond Tester Pen is design to deliver fast, accurate results. You will be able to know if something is fake in a....
✔️【Intuitive Design】Horizon’s Diamond Tester Pen comes with LED lights and audio indication. During a test, if the stone tested is a....

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PH Meter Smart Bluetooth,7-in-1 ORP Meter/S.G Meter/TDS Meter/Salinity Tester/PH Meter/EC Meter/Temp Water Meter, PH Meter for Water 0.01pH Resolution High Accuracy,ph Tester Digital with ATC.

【7-in-1 pH meter with Bluetooth】Digital pool water tester professional measurement ORP Meter/S.G Meter/TDS Meter/Salinity Tester/PH Meter/EC Meter/Temp.Water tester multi-function one-key switching, which is more worry-free and convenient to use. Ph meter for water quality is widely used,can be used to test drinking water,fish tank,swimming pools,laboratory,in aquarium, spa, wine, beer,ect..
【pH Meter】The pH tester digital mainly detects the pH value of liquids.The ph tester can be applied to food, pet fish supplies or hydroponics aquaculture.Water that is too acidic or alkaline can adversely affect the health of humans or pet fish.The pH water tester can also be used for blood, saliva, sweat, urine,etc..
【Orp Meter】Pool chemical testing kit is a good helper for pool supplies.In addition to testing the ORP value in swimming pool water, pool water tester can also be used as a pool thermometer.The ORP value is a measure of the oxidative power or sterilization strength in water pool salt. The higher the ORP value in water, the stronger the oxidative power and sterilization ability..

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KONNWEI KW681 OBD2 Scanner 6V 12V Car Battery Tester 2 in 1 Car Diagnostic Scanner Automotive Battery Alternator Load Tester Check Engine Code Reader Scan Tool

【ENHANCED OBD2 SCANNER & BATTERY TESTER】KONNWEI KW681 is the perfect combination of check engine code reader and 6V&12V car battery alternator....
【AUTOMOTIVE CAR BATTERY TESTER】KW681 can test all 6V & 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel....
【DISPLAY LIVE DATA OR VOLTAGE IN GRAPHING】KW681 obd2 scanner automotive diagnostic tools shows live vehicle sensors data including real-time....
【ONE-KEY I/M REDINESS/WAVEFORM】Large TFT color screen and hot keys for I/M readiness access to emission status and battery waveform with one....
【Starter& Alternator Tester】KW681 is not only a great battery load tester that tests batteries cranking & charging system but also a great....

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WANLUTECH OTDR Tester CCTV Tester, 1310/1550nm OTDR Fiber Optic Tester 8'' Touchscreen Built-in DMM OPM OLS VFL Event Map Support TVI CVI AHD IP CVBS Camera Test PoE/HDMI in/RJ45 Cable TDR Test

✅【All-in-one OTDR Tester】WANLUTECH MT-8000 combines all necessary fiber optic testing in one handheld device.This OTDR tester includes Optical Time Domain Reflectometer (OTDR:1310nm+1550nm,28dB/26dB,max test distance can up to 110km), Visual Fault Locator (VFL:max test distance 8km), Optical Power Meter (OPM:measurement range -70~+10 dBm), Light Source (CW,270 Hz, 330 Hz, 1 kHz and 2 kHz),Digital Multimeter(DMM) , Optical Loss Test, RJ45 cable test, Event Map, etc..
✅【Professional OTDR Fiber Optic Tester】WANLUTECH OTDR tester uses automatic testing by default, just click to start testing after connecting into the fiber, there is no complicated parameter setting.
professional technicians can set the test range, pulse width and other parameters before testing, which will get more accurate curve results.Warning function could prevent OTDR module from being damaged by optical signal in fiber..
✅【Parameters】WANLUTECH multifunctional Single Mode OTDR has 8'' retina touch screen, 2048*1536 resolution. OTDR fiber tester is powered by 7.4V/7000mAh Li-polymer batter with long working time.Interface type:FC-PC.1310nm/1550nm Testing Wavelength and 28....

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Hopstand

Salinity Range: 0~9999ppm/10~200ppt or 0.0-25%, ORAPXI salinity tester has an automatic temperature compensation function(32°F~140°F), which can decrease the error caused by the change of liquid temperature..
Wide applications: There are various purposes for the salinity tester. This instrument can not only detect the salt content of edible salt, salt water pool and koi fish pond, but also the salinity of seawater, marine, salt water fish tank salt level testing..
Backlit design: There is no need to worry about seeing the displayed value if the light is insufficient. ORAPXI salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation..
4-in-1 salinity tester: The multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing. Support One-tap switch from salinity to TDS/EC..
After-sales: 30-day free return/replacement and we promise respond your any questions about the product within 12 hours..

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