Features
● Excellent repeatability and stability
● Fully calibrated and temperature compensated
● Compact housing providing optimal airflow
● Two analog outputs settable to 0-10 V or 4-20 mA
● RS485 Modbus RTU digital interface

Sensor Technologies
Measurement & Control Instrumentation Updated 17.05.2021

Specifications
Sensors Digital combined RH and T sensors
Measurement ranges 0…95 %RH, -20…+70 °C
Calculated values Dew point, absolute humidity
Resolution 0,01 %RH / 0,01 °C
Accuracy ±2,5 %RH, ±0,5 °C
±1,8 % RH / ±0,3 °C on request
Sampling interval 1 second
Response time ~15 seconds
Self-diagnostics Full functionality check at start-up
Warm-up time ≤ 1 s
Power supply 11…30 VDC, nominal 12 / 24 VDC
Power consumption < 1,5 W Digital interface RS485, Modbus RTU protocol Analog outputs 2 × 4-20 mA / 0-10 V, user settable Enclosure White plastic with ventilation slots, wall mount, protection class IP20 Cable connections Pluggable screw terminal blocks Dimensions H71 × W71 × D27 mm Operating environment Residential, business and industrial indoor spaces Operating conditions -20...+70 °C, <95 %RH, without condensation 4-20 mA 0-10 V RS485 Modbus Connection diagram Jumpers J1 OUT1 type (open: 4-20 mA; closed 0-10 V) J2 OUT2 type (open: 4-20 mA; closed 0-10 V) X6 Reset Modbus network parameters to default X4 terminals OUT1 4-20 mA / 0-10 V output OUT2 4-20 mA / 0-10 V output 0V 0 V / 24 VAC Neutral (optional) A RS485 A / Data + B RS485 B / Data - +U +24 VDC / 24 VAC Phase (optional)