Lugar del origen
Liaoning, China
Sensor
Electrochemical Fuel Cell
Measurement Range
0.000mg/L-1.500 mg/L
Calibration
Every 6 months
Blowing time
2.5seconds(breath flow: ≥20L/min)
Display
128*64 black and white screen
Battery
7 alkaline dry batteries 1.5AAA*3
Weight
Approx.116g (including battery)
Temperature range operation
0℃-40℃
Temperature range storage
subzero20℃- 70℃