Model : AQ-9901SD

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0-4000ppm CO2 NDIR

0-1000ppm CO Galvanic cell sensor

0-30% Oxygen Galvanic cell sensor

10-95% RH --- -25 to 48C dewpoint *0-50C

ALARMS with beeper

Record information 2 sec to 8 hours - data to SD card (card is optional extra)

Transfer to PC with spread sheet analysis (or USB download and optional PC software)

Comes as kit with all probes and carry case