Dimensions	76,7 x 41,8 x 233,9 mm
Weight	290 g
Range of application	0…50 °C / 0.1…99.9 %RH, non-condensing
Accuracy at 23 ±5 °C	±30 ppm ±5 % of the measured value, <2.5 %RH (10...90 %RH), ±0.3 °K
Measuring range	0…5000 ppm, 0.1...99.95 %RH, -20...60 °C
Measurement principle	Non dispersive infrared (NDIR) with automatic baseline correction (ABC)
Adjustment points	0, 400 ppm and 35, 80 %RH
Pressure dependency	+1.6 % reading per kPa
Null drift	<10 ppm/year
Power supply	4 x AA batteries / optional AC adapter AC1214
Current consumption	40 mA (typical)
Battery life	50 h
Measured value memory	18,000 values with time stamp, automatic recording (%RH / °C / ppm), 99 single values with time stamp, manual recording, (%RH / °C / DP / Tw / ppm)
Warm-up time	<1 min.
Long-term stability	< 1.5 %RH per year
Humidity sensor	ROTRONIC HYGROMER® IN-1
Temperature sensor	Thermistor
Response time	<10 sec @ 30 cc/min. flow, <3 min diffusion time
Response time t 63	<30 s, without filter
Calculations	Dew point, wet bulb temperature
Parameters shown	CO2, relative humidity and temperature
Clock	Real time clock
Alarm functions	Adjustable for CO2 measurement
Housing	ABS
IP protection rating	IP30
CE / EMC conform	2004/108/EC
Maintenance	No maintenance (standard indoor application)