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Measurement
Sensor Interface
Connector Housing
Mounting
Passive sensor type
Display
Protection class
HTRT2500
HTRT2500

Humidity and temperature transmitter

Power Supply
24VAC (19...28 V AC 50Hz / ), VA
Dimensions, external (WxHxD)
85x171x35
Analogue output load impedance 0...10v
Min. 10 kΩ
CO2RT-R
CO2RT-R

CO 2 transmitter with relay

Display
No
CTHR
CTHR

CO 2 + RH + PT1000, 1000 Ohm (0°C)

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Time constant
90
CTHR-D
CTHR-D

CO 2 + °C + RH

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Display
Yes
CTHRA
CTHRA

CO 2 + °C + RH

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Time constant
90
CTHRA-D
CTHRA-D

CO 2 + °C + RH

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Display
Yes
CTHRC
CTHRC

CO 2 + RH + °C

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Supported protocols
Modbus
CTHRC-D
CTHRC-D

CO 2 + RH + °C

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Display
Yes
CTRC
CTRC

CO 2 + °C

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Supported protocols
Modbus
CTRC-D
CTRC-D

CO 2 + °C

Power Supply
24VAC/DC (22...26 V AC 50Hz / 15...35 V DC), 2.5 VA
Dimensions, external (WxHxD)
100x85x30
Display
Yes
CTRTA
CTRTA

CO 2 and temperature transmitter

Accuracy, temperature
± 0.4 °C (0…10 V), ± 0.3 °C (PT1000)
Output, temperature
0…10 V DC + PT1000
Output, CO<SUB>2</SUB>
0…10 V DC
CTRTA-D
CTRTA-D

CO 2 and temperature transmitter with display

Accuracy, temperature
± 0.4 °C (0…10 V), ± 0.3 °C (PT1000)
Output, temperature
0…10 V DC + PT1000
Output, CO<SUB>2</SUB>
0...10 V DC