ReviewsAutomatic Surface Hardness Tester

Monoprice RJ-11 and RJ-45 Modular Plug Tester 108138

  • The Tester Consists Of A Main Master Unit And A Detachable Remote Unit, Each Of Which Have An Rj11 And An Rj45 Jack.
  • The Unit Is Powered With A 9-Volt Battery And Can Be Stored In The Included, Zippered, Synthetic Leather Case.
  • The Master And Remote Unit Each Have A Series Of 9 Led That Show The Status Of Each Line On The Attached Cable.
  • The Tester Supports Both A Fast Automatic And A Slow Automatic Mode.
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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....
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Greenwon 68S Dedicated Breathalyzer Mouthpiece 20Pcs

  • ★ HIGH PRECISON, SENSITIVE RESPIRATORY. ketosis monitor is used to measure the concentration of ketone substances in the human body.The portable....
  • ★ ENERGY SAVING, automatic shutdown function.Powered by a 2 x AAA 1.5v battery (not included but generally available), this acetone tester will....
  • ★ LARGE DIGITAL LCD SCREEN .The acetone tester has a large screen with an orange background.Backlighting allows you to use this breathalyzer acetone....
  • ★ COMPACT DESIGN.This breathalyzer is small in size, light in weight and easy to carry.You can hang the acetone tester on the keychain when you're....
  • ★ 30 DAYS MONEY BACK GUARANTEE,LIFETIME WARRANTY. GREENWON has 20 years of experience in the production of respiratory tester, in the respiratory....
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PHR-1 Small Portable Rockwell Hardness Tester (PHR-1)

  • Portable indentation hardness tester. Single hand operation.
  • Easy conversion. The test results can be converted to HB, HR,HV and HW easily through conversion table..
  • High sensitivity. Featured with 100 scales, much more sensitive than Webster hardness testers applied in aluminum alloys industry..
  • Wide valid testing range equivalent to Brinell hardness 25-150HBW..
  • Barcol Impressor is mainly applied to test aluminum and aluminum alloys..
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Oscilloscope Transistor Tester 2 in 1, Geevorks 2.4" TFT Digital Oscilloscope 200kHz Bandwidth, Electronic Component Tester, NPN/PNP Diode Capacitor Resistor Transistor Testing Tool

  • ...r functions into one. 2.4inch High-definition color screen curve data at a glance..
  • 【One-key Auto/3 Trigger Modes】Equipped with efficient one-key AUTO, the measured waveform can be displayed without cumbersome adjustment. With complete trigger function (Single, Normal, Automatic), it can be used freely for both periodic analogs signals and aperiodic digital signals..
  • 【Digital Oscilloscope】The oscilloscope has a real-time sampling rate of 2.5MS/s and a 200kHz bandwidth. Up to ±400V voltage signal can be measured, has a wide applications. Self-contained 80kHz /5.0V PWM waves test signal source with adjustable duty cycle..
  • 【Transistor Tester】Automatically identify and measure various transistors, including NPN and PNP transistors, N-channel and P-channel FETs, junction FETs, diodes, dual diodes, thyristors, etc., as well as passive components such as resistors, inductors, and capacitors.
  • 【Electronic Component Tester】This product is especially suitable for fast pairing of transistors, identification of mixed surface mount and wordless components, and preliminary screen....
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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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Hanna Instruments HI98128 pHep 5pH/Temperature Tester, 6-25/64\ Length x 1-19/32\ Width x 1\ Height

  • Compact pH and temperature tester used in laboratory and industrial applications.
  • Automatic Temperature Compensation (ATC) for accurate pH readings in fluctuating temperatures and automatic calibration at one or two points to help prevent calibration errors.
  • Dual-level LCD screen simultaneously shows the current measurement and the current temperature.
  • Replaceable electrode cartridge to extend meter life.
  • Waterproof, dustproof housing allows the tester to float.
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Hofun High Accuracy TDS Meter Digital Water Tester Water Quality Tester with True ATC 3 in 1 TDS EC & Temp Meter PPM Water Testing Kits for Drinking Water Tap Well RO/DI System Hydroponics

  • ✔UPGRADED MULTIFUNCTIONAL WATER TESTER: Hofun 3 in 1 TDS Meter, Electric Conductivity Meter & Temperature Meter features the most updated....
  • ✔ACCURATE & QUICK MEASUREMENT BY RELIABLE TDS WATER TESTER: Hofun drinking water test kit is equipped with premium quality titanium alloy probe for....
  • ✔EASY READING AND INSTANT RESULTS: Hofun ppm water tester meter is designed with super easy operation. You just turn TDS meter on and stir water....
  • ✔MULTIPURPOSE DIGITAL TDS WATER TESTER METER: With the help of Hofun water test kits for drinking water, it's more convenient for you to test the....
  • ✔YOUR PURCHASE IS WELL-PROTECTED: Hofun water hardness tester digital is manufactured under extra high standards and of super good quality. Thus we....
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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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Inline Spark Plug Tester Plug Engine Ignition Tester Ignition Spark Plug Tester Wire Inline Diagnostic Tools Fit for Small Engine Car Lawn Mower Chainsaw

  • [High quality material]: The external part of the inline spark plug tester is made of high-quality plastic with high hardness, and the internal pure....
  • [Practical diagnostic tools]: Quickly diagnose problems. The engine spark tester is a diagnostic tool for any engine with spark plugs. It can quickly....
  • [Easy to use]: 1. Turn off the engine and disassemble the spark plug coil. 2. Connect the black leather of the tester to the spark plug. 3. Connect....
  • [Light indication]: The indicator of spark plug light detector is inconsistent and sparks, so that you are protected from the influence of current.
  • [Scope of application]: The spark tester probe is suitable for testing and troubleshooting small or large internal / external engines, such as....
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VIVOSUN Digital PH Meter for Water, 0.05ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

  • HIGH ACCURACY – Built-in with a sensitive electrode sensor, our PH tester measurement range is 0.00~14.00pH (Resolution 0.01pH).
  • accuracy: +0.01pH(@ 20℃) /±0.02pH, which will allow you to test your liquid quickly and accurately..
  • AUTOMATIC CALIBRATION – Factory calibrated, but recalibration is needed in case of long period of inactivity or after a frequent use. pH 4.01/pH 6. 86/pH 9.18 calibration powders are included. Push the auto-calibration button, the tester will automatically identify the calibration solutions..
  • AUTOMATIC TEMPERATURE COMPENSATION – Thanks to the built-in automatic temperature compensation(ATC), our PH tester can accurately test pH value of the sample at any temperature in the range of 0℃- 50℃, no need to take care about the temperature of testing liquid..
  • FAST RESULTS & COMPACT SIZE – No more consuming paper strips or other inaccurate pH test chemicals, it only takes a few seconds for your result to appear on screen. The lightweight and portable size allows you to take it around easily in your pocket and do your measuring anywhere..
  • WIDELY USED - Ideal for home or laboratory uses. Can be used to test drinking water, swimming pools, PH balance in aquarium, hydroponics, bath tub, RO system, spa, wine, beer and any....
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