RHT-MOD Humidity Transmitters For Building Automation Systems That Use Modbus Serial Communication Protocol

Communication:

RS-485 Modbus (RTU)

Accurary:

Temperature: <0.5 C
Relative humidity: 23 % rH at 050 C and 1090 % rH
Total error band includes accuracy, hysteresis and temperature effect over 550 C and 1090 % rH

Measuring units:

C, % rH

Measurement elements:

Pt1000 temperature sensor, thermoset polymer capacitive sensing element for humidity

Supply voltage:

24 VDC/VAC 10 %

Current consumption:

max 90 mA (at 24 V) + 10 mA for each voltage output or 20 mA for each current output

Output signal 1:

0/210 V (linear to rH), L min 1 k or
420 mA (linear to rH), L max 500

Output signal 2:

0/210 V (linear to Temp), L min 1 k or
420 mA (linear to Temp), L max 500

Optional relay output:

Potential free SPDT 250 VAC, 6 A / 30 VDC, 6 A with adjustable switching point and hysteresis

Operating temperature:

0+50 C

Protection standard:

IP20