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Portable CO2 / Temperature / Humidity Sensor(pSense RH)

-Displays the current carbon dioxide temperature and RH% on a large LCD.

-Displays TWA (8hours) STEL (15 minutes) Min, Max and average values.

-Internal automatic self-diagnostic function.

-Audible alarm.

-Easy to calibrate.

-Data output RS232.

Operating Principle	Non-dispersive infrared (NDIR)
Measured gas	Carbon dioxide (CO₂)
Measurement range CO₂	0 to 5000 ppm
Measurement range (RH)	10 to 90%
Audiable alarm	Yes
Accuracy	±30 ppm ± 5% of reading (0 to 2000ppm)
Dimensions	209 mm x 70 mm x 58 mm
Life Expectancy	> 15 years
Battery Life Expectancy	> 10 hours
Operation temperature range	0 to 50 °C
Temperature Measurement	0 to 60 °C
Operation humidity range	0 to 95% RH (non-condensing)
Power supply	4 pcs AA batteries 24 hours capacity
Response time_T90	about 30 seconds
Warm-up time	30 seconds
Communication	Data output RS232