AA083i-back Sensor: fuel cell sensor Display range: 0.00 mg/L~ 2.50mg/L Auto power off: 2 minutes Breath sampling: about 6 seconds continuous breath sample@ 20 L/min
flow rate
Power supply: AAA battery Long term storage condition: 0 ~ +55 degree C @ humidity 30~90% RH Operating temperature: 5 ~+45 degree C for optimum operation Measurement accuracy: +/-0.04 mg/L at alert level; drift: typically < 1.0%