EHM TDS Meter – Water Quality Tester



Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function
This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen.

Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponic, Pool & Spa, Colloidal Silver, Water Treatment and more.
It’s a must have handy tool for every household, testing for tap water, filtered water, distilled water, bottled water, well water, refrigerated water, etc.

* Automatic Temperature Compensation(ATC)
* Equipped with backlit LCD for easy reading.
If TDS≤40, the backlit color is green,
If TDS>40, the backlit color is red.
* Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record.
* Hold Function: Before reading locked automatically, the reading can be locked manually if press “HOLD”.
* Factory Calibrated: No need calibration by user.
* Auto-Off in 2 Minutes to conserve battery.
* A colorful TDS chart on the back to explains ppm readings.
* Includes a protective carrying case with belt clip, easy to carry.

* Measuring Range:
TDS: 0 – 9990 ppm (parts per million)
Conductivity: 0 – 9990 µs/cm
Degrees Celsius: 0.1 – 50.0°C
Fahrenheit: 32.0 – 122.0°F
* Accuracy: ± 2% F.S
* Net Weight:1.62oz(46g)
* Size:6.29 x 1.14 x 0.59 inches (160x29x15mm)

Package Including:

1x TDS Meter

1x Instruction

1x Protective Case


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  • MULTIPURPOSE TDS TESTER: Test drinking water purity to
  • ensure it’s healthy, monitor if Reverse Osmosis (RO)/DI System works
  • properly, whether filter need replaced, maintenance aquarium,
  • hydroponics(test nutrients), pool and spa, etc.
  • Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier
  • reading, and auto-lock function for easier use
  • POCKET SIZE: Handheld design and small size make it
  • convenient for you to carry it everywhere you want.The cases protect
  • testers from sharp objects
  • EASY AND INSTANTLY: Just turn TDS meter on and stir
  • water gently, then stabilized readings will be auto-locked on LCD in
  • seconds, and the tds ppm meter will shut off automatically if without
  • operation over 2 minutes.
  • ACCURATE AND RELIABLE: To achieve high accuracy,
  • equipped with premium quality titanium alloy probe, and reliable
  • Automatic Temperature Compensation (ATC) ensures reading always be
  • accurate at various temperatures.
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