Specifications
1.range: 0- 9990ppm
2.accuracy: +/ 2%.
3.battery: 2*1.5v(button cell).
4..auto off function : 8 minutes
5 .Size: 142*25*14mm
6 .Weight: 4 0g
7 .Auto off function: turn on meter after 8 minutes of non use to conserve batteries
8 .Dual range: measures from 0 999ppm, resolution is 1ppm, over 1000ppm , r esolution is 10ppm , indicated by drinking*10 image, factory calibrated.
2.600.3