Measurement range: 0~2000PPM

Measurement error: ± 5%

Resolution: 1%

Preheating time: <120 seconds

Response time: <30 seconds

Environmental temperature measurement: -15 ~ 50 C

Alarm mode: Sound alarm, light alarm, vibration alarm

"Alarm: low concentration 35PPM alarm lamp yellow ashing, high concentration 70PPM alarm lamp ashing red Luo (alarm concentration can also be set up)"

Audio tip: the higher the frequency of the beep sound, the higher the concentration is.

Continuous working time: 6 hours (with a slight change in the working state)

Power: 3 x 1.5V AAA battery

Product size: 120 x 65 x 25mm

Single weight: 90G

Product weight: 226G