Best Digital Breath 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

  • ✅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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BETOOLL Digital Fuel Injection Pressure Tester Kit - Fuel Pressure Gauge 0-300 PSI for Petrol Engine Fuel Pressure Test Kit Automotive Test Tool Kit

  • Digital Fuel Pressure Gauge: Accurate and clear data is easier to read on the backlight display. The buttons could adjusted to 4 different kinds of numerical units in PSI, KPA, BAR, KG/CM² for use..
  • Quick Pressure Release Valve: Digital fuel pressure tester is equipped with pressure release valve with transparent hose for safer pressure discharge and fuel recovery..
  • Accurate & Fast Connection: The coupler at the end of the gauge hose can be quickly connected with most adapters, saving time and improving efficiency..
  • Precise Measurement: Digital fuel injection pressure tester gauge has 0.5 display resolution instead of normal 5PSI display resolution compression tester. The measurement range is 0-300PSI.
  • Scope of Application: Fuel pressure tester kit includes adapters, hoses and fittings compatible with all fuel injection systems and most cars and trucks world wide!.
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Mizar Et18 RS Electronic Gold Tester by

  • NEW ADVANCED DIGITAL TESTER - Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing..
  • STATE-OF-THE-ART AND PORTABLE - Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in seconds.
  • PATENTED WITH PATENTS PENDING - Tests all karat levels of gold from 6K to 24K and tests for platinum..
  • STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds..
  • INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case..
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KETOTEK Digital Water TDS Meter PH Meter PPM Tester has TDS-EC-Temp 3-in-1 and ±2% Accuracy PH Tester with 0-14.00PH and 0.01 Accuracy TDS PH Meters for Aquariums Water Hydroponics RO System

  • COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it....
  • WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in....
  • AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5....
  • AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced....
  • SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you....
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Gold Testing Stone, Genuine, Natural Obsidian (6\ x 3\)

  • NEW ADVANCED DIGITAL TESTER - Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing..
  • STATE-OF-THE-ART AND PORTABLE - Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in seconds.
  • PATENTED WITH PATENTS PENDING - Tests all karat levels of gold from 6K to 24K and tests for platinum..
  • STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds..
  • INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case..
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GREENWON Breathalyzer Keychain Digital Alcohol Tester Detector Breath Analyzer Audible Alert Portable with LCD Display and Replacement Mouthpiece Personal Use……R/Bblack

  • -★- HIGH ACCURACY & SENSITIVE . This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive....
  • -★- ENERGY-SAVING & AUTO-OFF FUNCTION. Powered by 2 x AAA batteries( not included, but commonly available), this breathalyzer will automatically....
  • -★- FASHION KEYCHAIN DESIGN. This alcohol breathalyzer is space-saving, lightweight. It is easy to hold and carry. Pocket-size allows you take it....
  • -★- LARGE DIGITAL LCD SCREEN This alcohol breathalyzer has a large LCD screen with orange background Light. It is convenient for you to use this....
  • -★- 30 DAYS MONEY BACK GUARENTEE,LIFETIME WERRANTY..
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GREENWON Breathalyzer Keychain Digital Alcohol Tester Detector Breath Analyzer Audible Alert Portable with LCD Display and Replacement Mouthpiece Personal Use……P/Bblack

  • -★- HIGH ACCURACY & SENSITIVE . This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive....
  • -★- ENERGY-SAVING & AUTO-OFF FUNCTION. Powered by 2 x AAA batteries( not included, but commonly available), this breathalyzer will automatically....
  • -★- FASHION KEYCHAIN DESIGN. This alcohol breathalyzer is space-saving, lightweight. It is easy to hold and carry. Pocket-size allows you take it....
  • -★- LARGE DIGITAL LCD SCREEN This alcohol breathalyzer has a large LCD screen with orange background Light. It is convenient for you to use this....
  • -★- 30 DAYS MONEY BACK GUARENTEE,LIFETIME WERRANTY..
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PM2302 Digital Resistance Meter Ground Earth Tester 0-4K ohm Insulation Tester Multimeter with LCD Backlight Display

  • [Multi Functions] This PM2302 resistance tester can be used to measure maximum, minimum or average and measure relatively.
  • low battery indication and 2 Pole and 3 Pole Mode..
  • [Convenient] This insulation tester can store 100 group of test result, which will not be lost even in case of power cuts..
  • [Easy reading] This digital resistance tester is equipped with large digital LCD and backlights that allow users read the information on LCD easily. Digital Display & Analog Bars Display..
  • [Auto power-off function] It has auto power-off function that conserves battery life and increases the lifespan of your multimeter..
  • [Application] It is the ideal tool for electrical inspection and repair..
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Lencool Ketone Breath Meter for Ketosis Testing Keto Test Kit with 10PC MouthpiecesBlack

  • ✔ GREATER COMFORT & SPEED - Only requires a 5 Second of breath and yields results.Save you from finger pricks, and the device can be used several....
  • ✔ EASY TO USE - 1-button operation to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between....
  • ✔ IDEAL FOR KETO DIET - The Ketone Breath Meter is perfect for those on the Keto diet who want to quickly, easily and accurately track their blood....
  • ✔ DOCTOR RECOMMENDED - The ketone breath monitor is easy to use, 1-button operation to get the ketone readings: Reading of 0.0 signify you are still....
  • ✔ AUTOMATIC TRAFFIC LIGHT INDICATOR - Portable Ketone breath tester designed to carry around anywhere in your pocket, and make sure you are in....
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HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume

  • NaCl calibration solution, available in 342 ppm or 1000 ppm.
  • Comes in lightweight HDPE plastic bottles.
  • Use the HM Digital TDS Calibration Solution (342 PPM) to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.
  • This HM Digital TDS Calibration Solution is also known as Water Tester Solution andTDS Meter Calibration Solution.
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