The GBSHT04 is an air humidity and temperature sensor with SDI-12 interface. The sensor uses a single chip sensor element which measures both temperature and air humidity. An additional MEMS chip measures barometric pressure. Each sensor chip is individually factory-calibrated. The RHT sensor chip is protected with a PBT filter cap carrying a PTFE membrane with 1.5µm pore size. The GBSHT04 PCB assembly is silicon casted inside the sensor housing. An additional filter provides dust and insect protection. The sensor has a length of 100mm and a diameter of 16mm. The sensor can be supplied as air temperature / relative humidity variant with part number GBSHT04 or as temperature / relative air humidity /barometric pressure sensor with part number GBSHT04.

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  • Air humidity and temperature sensor
  • Approximate calculation of dew point / frost point, absolute humidity and cloud base
  • SDI-12 Interface
  • Temperature resolution: 0.01°C
  • Temperature accuracy tolerance:
    +5°C to + 60°C: typ. ±0.2°C, max. ±0.4°C ,
    -40°C to +5°C: max. ±1°C ,
    +60°C to +85°C: max. ±0.75°C
  • Air humidity resolution: 0.04% RH
  • Air humidity accuracy tolerance:
    10% to 90%: typ. ±1.8%RH, max. ±2%RH ,
    0% to 10%: max. ±4%RH ,
    90% to 100%: max. ±4%RH
  • SDI-12 controllable open drain outputs to switch ventilation or de-iceing
  • SDI-12 Standard V1.3
  • Plug and Play
  • 6 – 16V supply voltage
  • Dimensions: 100 mm x 16 mm
  • Operating Temperature Range:- 40°C … + 85°C
  • Excellent price-performance ratio