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Triple LCD display simultaneously monitors carbon dioxide (CO2), temperature and relative humidity
Calculates time-weighted average (TWA) and short-term exposure limit (STEL)
Low-drift NDIR CO2 sensor for stable and accurate readings
Temperature and relative humidity measurements help determine thermal comfort
Easy-to-read backlit LCD display
User adjustable audible alarm
Data hold, Max/Min and Average functions
Record up to 32,000 datapoints and keep track with internal time and date stamp
User selectable sampling rate from 1 to 60 mins
Low battery indicator and auto shut-off
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P.O. Box: 25898
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Tel: +971 6 5436933
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r9905-datasheet.pdf 
