Parameters	Humidity / temperature and CO2
Dimensions	Type R: 131 x 86 x32 (H,W,D) mm Type S: 120 x 86 x 32 (H,W,D) mm
Weight	Type R: approx.115 g / Type S: approx.135 g
Range of application	Electronics: 0 .. 50 °C Measuring range probe dependent 0 .. 100 %RH, non-condensing
Accuracy at 23 ±5 °C	<3 % RH (10..90 %RH) / ± 0.3, ± 1 K type S with display 0 .. 2000 ppm: ± 40 ppm ± 3 % of measured value 0 .. 5000 ppm: ± 10 % of measured value
Measurement principle	Infrared (NDIR)
Measurement ranges	0..2000 ppm or 0..5000 ppm
Adjustment points	0, 400 ppm and 35, 80 %RH
Pressure dependency	+1.6 % reading per kPa
Power supply / Power consumption	12..28 VAC / 15..40 VDC 86.5 mA
Long-term stability	< 1.5 %RH per year
Humidity sensor	ROTRONIC HYGROMER® IN-1
Standard temperature scale	0...50 °C or 0...100 °F
Temperature sensor	Thermistor
Response time	RH: 30s (63 % of a rise 35 .. 80 %RH) without filter / T: 4 s / CO2: <3 min diffusion time
Analog outputs	3 analog outputs (1 for each parameter) The mA and V output is not exchangeable. It is always fixed as mA or V. CF132 is the current output, CF135 is the voltage output
Analog output signal (standard)	4 .. 20 mA / 0..1 V / 10 V exchangeable via SW21/HW4 software
Enclosure material	ABS
IP protection rating	IP30
Load per analog output	V signal: ≥1kΩ / V; mA signal: ≤500 Ω
Relay	Exchangeable via software for each parameter max. switching voltage: 30 VDC / 125 VAC max. switching load: 1A at 30 VDC / 0.5A at 125 VAC min. switching load: 0.01 mA at 10 mV DC
RoHs conformity	Yes
CE / EMC conform	2014/30/EU / EN61000-6-1 / EN61000-6-2 / EN61000-6-3 / EN61000-6-4