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Measuring range: 0~500ppm
Working principle: Electrochemistry sensor
Sampling mode: Diffusion sampling
Display mode: TFT LCD display
Concentration unit: ppm, mg/m3
Resolution: 1ppm
Precision: ±≤3%FS
Response time: T90≤30s
Pre-heating time: ≤60s
Working temperature: -20℃~60℃
Working humidity: <95%RH (non-condensing)
Explosion-Proof grade: Ex ib IIB T3
Protection grade: IP64
Alarm mode: Audible-visual alarm, Vibration alarm, Voice≥75dB@25cm
Working voltage: 3.7V rechargeable lithium battery
Dimensions: 119.6x60x44mm(L*W*H)
Weight: 182g
