TANPA BATERAI
1. Check the water quality for safe drinking
2. The product is convenient and convenient
3. It can be carried around without taking up too much space
4. The shell of the product is made of high-quality PVC particles, and the use of impurity material waste is not allowed
. Algorithms, data close to industrial precision instruments
Specifications:
Shell size: 2*2*15cm
Error: ±2%
Battery: 2*LR41 battery (delivery without battery)
Material: ABS plastic
Note:
Manual measurement results in a 1-2 cm measurement deviation.