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Best Automatic Headlight Tester

Digital PH Tester for Water- PH Meter High Accuracy Water Quality Tester with ATC, 0.01pH Resolution 3 in 1 PH TDS Temp for Household Drinking Water, Hydroponics, Lab, Aquarium by ORAPXI

  • ...ion - 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..
  • ✅Easy To Carry And 100% Quality Guarantee - Sm....
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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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Automotive Circuit Tester, Test Light Automotive 3-24 Volt DC Voltage Tester, Dual Probes PU Antifreeze Cable Big Alligator Clip Two-Way Voltage Test, Testing Circuit Low Voltage System,HOLYSHINE

  • ...vides Heat Insulation, Wear Resistance, And Tensile Strength to Test Light for car..
  • 【WIDE APPLICATIONS】: 3-24V Automotive Screwdriver Test Light, Widely Used Circuit Test, Excellent for Various Circuits on Automobiles, This Automotive Tester Can Also Be Used for Other 6-24V Circuit Test, Including Battery Test, Headlight Test, Brake Light Test, Fault Connections and Injector Signal Test..
  • 【TESTER LIGHT BULB】: This LED test light circuit tester bulb has high visibility and long service life. It can indicate the state of the circuit. The brightness of the top 3W lamp can be changed with the measured voltage and can be replaced..
  • 【BIDIRECTIONAL TESTING】: Alligator Clamps of Circuit Breaker Tester Can Be Connected to Either Negative or Positive Ground, With the Probe Touching the Other Side. During Positive Connection, The Red Led Will Be On, And During Negative Connection, The Green Led Will Be On..
  • 【CUSTOMER SATISFACTION】: Please Let Us Know If There Is Anything We Can Do to Help You If You Are Not Satisfied..
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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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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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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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Portable Refractometer Professional Hand Held Brix Refractometer 0~90% Specific Food Beer Milk Fruit Juice Sugar Meter Tester

  • PROFESSIONAL TESTER ：A professional tester to meaure the sugar concentration of beer, wine, fruit juice, milk, honey and other beverages.
  • PORTABLE TO CARRY：Aluminum construction is lightweight, it is small size and portable to carry.
  • AUTOMATIC TEMPERATURE COMPENSATION ：Automatic temperature compensation and temperature will not affect the reading.
  • EASY TO READ：High accurate and the clear calibration is easy to read.
  • COMFORTABLE RUBBER HANDLE ：The rubber handle is non-slip, soft and comfortable to hold.
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Digital Resistance Ground Earth Tester UT501A 1000V Insulation Resistance Tester Earth Ground Resistance Earth Ground Resistance Meter Multimeter Voltmeter Earth Resistance Tester

  • MULTI-FUNCTIONAL MULTI-METER INSULATION TESTER--This insulation resistance tester can measure insulation resistance, AC voltage, etc.
  • HIGH ACCURACY AND STABLE PERFORMANCE DIGITAL EARTH RESISTANCE TESTER--High degree of accuracy, stable performance, easy operation and reliability.
  • MULTI-FUNCTIONAL AND ECONOMICAL SUPPORTS EASIER OPERATION--Support automatic measurement, low battery indication, LCD backlight, alarm light display, alarm buzzer.
  • WIDELY APPLICATIONS FOR DAILY USE--Widely used for insulation resistance measurement for insulation materials and various kinds of electric equipments such as transformer, electric machines, cables, switches, electrical appliances.
  • IDEAL TOOL FOR ELECTRICAL EQUIPMENT TESTING AND INSPECTING--It is a ideal tool for electric equipment maintenance, testing and inspection.
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Oakton AO-35423-01 EcoTestr pH 2+ Pocket pH Meter 1 pack

  • ...al PH Meter can ensure your pool, general hydroponics ph or even drinking water has a perfect pH balance and safe for use with Tester precision pH accuracy. Tester has a sensitive electrode sensor to read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading..
  • AUTOMATIC TEMPERATURE COMPENSATION: No more need to take care about the temperature of testing liquid, as ph meter has built in (ATC) automatic temperature compensation, so that it can accurately determine pH value of the sample at any temperature in a range of 0 DegreeC - 80 DegreeC (32 DegreeF - 176 DegreeF)..
  • WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses.Suitable for testing the pH of drinking water, swimming pools, aquariums, reverse osmosis systems, spas or hydroponics.
  • ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer, etc..
  • MAKE YOU SATISFIED WITH THE PRODUCTS: Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders..
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IDEAL 61-534 Digital Circuit Breaker Finder with Digital Receiver and GFCI Circuit Tester

  • Circuit breaker Finder with digital receiver And GFCI circuit Tester.
  • Positively identifies circuit breakers And Fuses without service interruption.
  • Automatically indicates the right breaker for quick And easy breaker identification.
  • Automatically indicates the right breaker for quick & easy breaker identification.
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