HiKiNS TDS Meter Digital Drinking Water Quality Tester & Temperature Meter Smart Portable Cute 0~9990ppm Testing Range for Aquariums etc

HiKiNS TDS meter digital water tester description:
TDS meter is a convenient digital tool to check water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in water. With the push of a button, the TDS meter can tell you the water purity level, which will be displayed on the screen in ppm (parts per million) .
Widely be used for all water quality testing, water purification, aquaculture, hydroponic, colloidal silver, water treatment and more. It’s a must have handy tool for household, testing for tap water, filtered water, well water, refrigerated water, etc. 
The EPA’s maximum contaminant levels of TDS in drinking water is 50mg/L (50PPM).
Features of the HiKiNS TDS meter:
Auto-off function:Turns off the TDS kit after 10 minutes of non-use to conserve battery.
TEMP Test:Water temperature test ranged from 0℃ to 50℃ .
Accuracy: +/-0.02.
Battery: 1 x 3V (Button Cell).
Size:150 X 26 X 15mm (5.9 X 1 X 0.6 in).
Weight:36g (1.27oz).
Product warranties:
1)This TDS tester pen is warranted to the purchaser against material and workmanship for 3 years.
2)Repair and labor, or replacement at the company’s option is covered in this digital TDS meter’s warranty.