Gas specific parameters:

Gas detection

Any combination of 1-4 gases

measurement method

Electrochemical word/infrared/catalytic combustion/

PID photoion/semiconductor/thermal conductivity etc.

0-10ppm: Wang 6%FS (@5ppm, 25°C, 50%RH)

precision

0-100ppm: ±6%FS (@50ppm, 25°C, 50%RH)

Linearity

ms 2

duplicate value

ms 2

Recovery Time

s30 seconds

communication method

USB (charging and communication)

Response time

Diffusion s60S

Insulation resistance

220MQ

Alarm function

sound, light, vibration

working environment

Temperature -10°C- 50°C; humidity <95%RH without condensation

Operating Voltage

DC3.7V (lithium battery capacity 3000mAh)

charging time

6h-8h

Standby time

More than 8h continuous