Thermohygrometer with natural ventilation screen. RS485 output

Precise and reliable, this sensor is suitable for continuous meteorological measurements also in severe environments and in presence of steep thermal and hygrometric variations.
For outdoor application it should be coupled with a radiant screen. 

Instruments for accurate measurement of air temperature and relative humidity in severe outdoor environments. 

Highlights

  • 4 ÷ 20 mA, RS485-Modbus RTU, Radio output versions;
  • Forced ventilation radiant screen available;
  • Replaceable sensitive element;
  • Programmable air temperature measurement range.



Technical Specification

MeasurementsTemperature 
Relative Humidity
OutputRS485
ProtocolModbus RTU®, TTY-ASCII
ConfigurationHyperterminal
RS485 protectionGalvanic insulation (3 kV, UL1577)
RS485 speed1200 ÷ 115 kbps
Power supply 10 ÷ 30 Vac/dc
Power consumption1 W
Electric protection Tranzorb and Emifilter
VentiationNatural
Resolution Temperature: 0.01 °C
Relative Humidity: 0.1% 
Code: DMA975
DMA875_FB_001

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