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Detecting range: 0~99ppm o
Sensor type: Electrochemical
Accuracy: ±2% or 1ppm / month
Sensor drift: 1% / month
Cross sensitivity (Hydrogen): 5~10%
Sensor life time: 2~5years (max. 5 years)
Resolution: 1ppm
Calibration: Zero / span
User mode: Adult /Adolescent
Countdown: 15 seconds
Sound: On / Off
LCD size 50x30mm
LED indicator: 7 steps (Green/amber/red)
COHb%: LCD display
Power: AA Alkaline battery 2ea
Dimensions: 70x150x32mm
Weight: 160g
Disposable mouthpieces: 22mm
