Htemp CO2 485-RTU STHC 102
RS485 Humidity & Temperature probe (-40 to +70°C), C02 (0 to +45°C) with RS-485 Modbus RTU interface.
Temperature measurement range ** 0 to 45 °C with guaranteed accuracy of CO2 measurement
- 30 to 70 °C without guaranteed accuracy of CO2 measurement
Temperature measurement accuracy * ± 0.5 °C
Relative humidity measurement range * 0 to 85 % with guaranteed accuracy of CO2 measurement
0 to 95 % without guaranteed accuracy of CO2 measurement
Relative humidity measurement accuracy * ± 3 % in range 10 to 85 %
± 4.5 % in range 0 to 10 %
CO2 measuring range * 400 to 5000 ppm
CO2 measuring accuracy * ± 100 ppm *
Time response CO2 (90%) 90 s
Output signal RS 485 / MODBUS RTU
Supply voltage U 15 to 30 VDC
Rated supply voltage Un 24 VDC
Consumption maximum: 500 mW
typical: 300 mW
Ingress protection IP 30 acc. to EN 60529, as amended
Dimension of the head 71.9 x 59 x 27 mm
Material of the head LEXAN
Weight min 35 g
Recommended wire cross section 0.14 to 1 mm