Product Review

Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function, 3 years warranty and 90 days money back guarantee.
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.

Features:
* 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.

Specifications:
* 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 HoneForest Instruction
1x portable leather bag
1x HoneForest color box