It is used to indicate the device's working state.
Connect according to the lead number indicated on the panel.
Charge for the device by connecting with USB in computer or 5V adapter with the data
1.2 Technical Specification
a). Ambient temperature: +5 ℃~+40 ℃
b). Relative humidity: 25 % ~ 95 %(no condensation)
c). Power supply: rechargeable lithium battery, 3.7 V, 820 mAh
d). Atmospheric pressure: 700 hPa~1060 hPa
a). Ambient temperature: -40 ℃~+55 ℃
b). Relative humidity: ≤95%
c). Atmospheric pressure: 500 hPa~1060 hPa
2. Sampling frequency: 1000Hz
3. Sampling accuracy: 24-bit
5
. Input dynamic range: ±5 mV