Q2 Portable O2 / Co2 Analyzer For Map Testing, Each

Details

Input Voltage : 100-240V, 50-60Hz Battery Operation: Included Backup Power: Four "Aa" Alkaline Batteries (Not Included) Power Supply: Four "Aa" Nimh Rechargeable Batteries; Auto Shut-Off After 45 Minutes Idle. 100-240V (50-60Hz) Charger Included, With Us Or International Interchangeable Plug Adapter Carbon Dioxide Sensor Type : Solid-State Infrared Accuracy - Carbon Dioxide : ± 1% Of Reading, Or ± 0.2% Co2 (Whichever Is Greater) Co2 Minimum Detection Limit : 0.1% (0-100% Range) Or 0.01% (0-20% Range)