Electrical data：
1.
Rated voltage=3.6V，allowable voltage fluctuation:+2.5~+5.5V. Very low power consumption. One Li-battery can support the meter for 8 years. Stable current is 30uA.
2. ?LCD will flickering when voltage is lower than+2.5V. It’s a reminder to user that battery shall be replace within a month. All data will be kept long term when power was lost.
3. Ambient temperature:-30℃~+60℃,. Humidity:20~85%RH.
4..10-segment LCD display.
5. Flow range reaches as high as 1:160. Treatment accuracy is ±1.5%.
6. Anti-explosion test was past in National authorized Anti-explosion facility. Standard is GB3836.4. Anti-explosion type is ExibIIBT3 class.
