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OPP-SENS® External relative

humidity temperature sensors
Type Item no. ADG Euro / pc.

OPP-SENS® External humidity temperature sensor HT-...-OUT
(relative humidity)
For the measurement of relative humidity and temperature
outside.
Display and control unit with autoadapt and capacitive
button (option). This enables the NFC function, allowing easy
sensor parameterization via a smartphone.
5-point calibration: linear interpolation of the output
curve over 5 user-defined points.
10-offset points: linear shift of characteristic curve the output
signal via 10-level rotary switch.
Captive lid with 8-way positioning.
Output 1 humidity: 0 – 100 % RH linear
Output 2 temperature: -50 – 50 °C linear
Supply voltage:
2-wire 24 V DC
3-wire / Modbus / BACnet 24 V AC / DC
Output:
2-wire 4 – 20 mA
3-wire 0 – 10 V or 4 – 20 mA
switchable or bus
Margins of error:
Humidity ±3 % RH at 25 °C for 20 – 80 % RH
Temperature ±0.5 °C for 0 – 65 °C
Permiss. amb. cond.: -20 – 70 °C, 0 – 95 % RH
(non-condensing)
Housing: IP 65 including seal,
Plastic gray / yellow
Terminals: Spring terminals 0.2 – 1.5 mm2
Cable gland: M16

Current transmitter (2-wire, 4 – 20 mA)
without display* HT-TC-OUT 103464 22 237.00
with display and NFC interface HT-TC-OUT-D-NFC 105161 22 300.20
Current / Voltage transmitter
(3-wire, 0 – 10 V / 4 – 20 mA switchable)
without display* HT-T-OUT 103463 22 237.00
with display and NFC interface HT-T-OUT-D-NFC 105164 22 300.20
Modbus transmitter (Modbus RTU)
without display* HT-MOD-OUT 103465 22 270.00
with display and NFC interface HT-MOD-OUT-D-NFC 105157 22 333.20
BACnet transmitter (MS / TP)
without display* HT-BAC-OUT 103466 22 270.00
with display and NFC interface HT-BAC-OUT-D-NFC 105152 22 333.20
Data sheet no. 20909
BACnet protocol OPP-SENS (downloadable from our website)

* For programming/assigning addresses and 5P calibration, a display must be used at least once.

42 | Catalog 2025 | Sensors To our online catalog: www.oprg.de/en/support/download-center