Water Quality Test Pen-Portable Digital TDS Water Quality Test Pen PH TEMP Purity Meter Tester

"Automatically shut down after 10 minutes if you forget to turn off the computer.

Lightweight and portable design, convenient for indoor and outdoor

Suitable for tap water, drinking water, aquarium water and other water systems.

Highly efficient and accurate with imported chips.

For easy reading and recording, the instrument will hold the reading.

Specification: 

Material: ABS + plastic housing  Measuring range: 0-9999ppm (when the measured value exceeds 9999, the display value is 10)  Accuracy: ±2%  Battery: 3V * 1 (button battery, not included) included)  

Size: 149 * 26 * 15mm / 5.9 * 1.0 * 0.6in  Weight: 60g / 2.1oz   

 Package List:   1 * Water Quality Tester  1 * User Manual    

Instructions for Use:   

1. Remove the pen holder and turn on the switch. 

2. Put the pen into the solution to be tested, the height of the solution should not exceed 4cm.

3. Gently stir the pen in the solution to be tested. After the value is stable, the measured TDS value is greatly affected by the temperature. Therefore, temperature compensation is used to correct the reading. The TDS number will be fixed on the screen within 10-30 seconds. Above, to lock the reading, press the hold button. 

4. After use, wipe the water from the pen tip with a cloth and cover the pen holder. 

Notes: 1. Please avoid the TDS test pen soaking in water.  2. Please avoid high temperature, direct light.  3. Please avoid impact, strong pressure or falling.   Features:  Suitable for tap water, drinking water, aquarium water and other water systems.  For easy reading and recording, the instrument will hold the reading. Automatically shut down after 10 minutes if you forget to turn off the computer. Highly efficient and accurate with imported chips. Lightweight and portable design, convenient for indoor and outdoor use."