User's Manual

3
Chapter 3 Primary Technical Orders
3.1 Normal work environment
1) Operation environment
 Temperature: +5 ~+40℃℃
 Relative humidity: 25%～80%
 Atmospheric pressure:70kPa～106kPa
 Power supply: built-in rechargeable lithium battery, voltage: 3.7V
2) Transportation and storage environment
 Temperature: -40℃～+55℃
 Relative humidity: ≤95%
 Atmospheric pressure:50kPa～106kPa
3.2 Basic parameters
1) Calibration voltage: 1mV±5%
2) Standard sensitivity: 10mm/mV±5%
3) Amplitude frequency characteristic: standard: 10Hz; 1Hz～20Hz; (+0.4dB，-3dB)
4) Noise level: ≤30μV
5) CMRR: ≥60dB
6) Scanning speed: 25mm/s±5%
7) Sampling rate: 250 dots/s
8) HR measurement range: 30bpm～300bpm, error: ±1bpm or 1%
9) Battery Voltage: DC 3.7V 530mAh
10) Type of protection against electric shock: Internal power device
11) Degree of protection against electric shock: Type BF applied part
12) Degree of waterproof: IP22