* Ranges CO 0~500ppm [to 1ppm] and NO2 0~50ppm [to 0.1ppm]
* Dust and water sealed to IP66
* Intrinsically safe: rated for general or mines use
* Logging interval: from 1 sec to 1 hour
* Logging memory: up to 500,000 readings
* Integral infrared communications interface, with software and IrDA USB adaptor for configuration and download.
* Rechargeable: approx 7 days operation on full charge