DEWTRON ™

Digital multi-channel temperature and dew-point sensor

Measuring field: Umidità Relativa 0-100%; Temperature -40°…+120° C
Reply time: > 4 sec
Protection: IP67
Power supply: 10/36V dc 8/26V ac
Digital output: programmable RS232, RS485
Output with relay: two programmable thresholds

Measuring field
  • U.R.:0% -100%
  • TEMP:-40°- +120° C
Resolution
  • U.R.:0,03%
  • TEMP:0,01 ° C
Accuracy
  • +/- 2%RH RH in range of 10% and 90%RH
  • +/- 0,4°C in range of 5 and 40°C
  • +/- 1°C in range of -20°C/70°C.
Repeatability
  • +/- 0,1 %UR
  • +/- 0,1 °C
Reply time
>4 sec.
Operating temperature
  • Sensor:-40 / +120 °C
  • Trasmettiter:0° / +70°C
Box protection
IP 67
Electrical connections
Internal terminal board accessible through water tight cable guiding-slit
Cable length
Transmitter-sensor cable: 1.0 m, 2.0m
Power supply
10/36V dc 8/26V ac
Dissipation
Max. 1,5W
Protection
microfuse 2A
Outputs
  • Serial RS232
    • Programmable baud rate: 1200, 4800, 9600, 19200 baud
  • Serial 485
    • Configurability with 4 bit address
    • Baud rate configurability
  • Digital alarm output: relay 2A / 120V
    • Two settable release thresholds
    • Hysterisis realized to avoid output fluctations
User interface

Possibility to set:

  • communication baud rate
  • measuring frequency
  • alarm release threshold

Possible reading of:

  • set parameter state
  • temperature / humidity measurements
  • alarm release thresholds
Material
  • Sensor body: shaft made of stainless steel 316L
  • Sensor protection made of plastic ABS or bronze
  • Transmitter box: polycarbonate
Dimensions
  • Sensor: Threaded M12x1 Length 70 mm (threaded body) + 40 mm (filter)
  • Transmitter box: 120 mm x 80 mm x 56 mm
Layout internal terminal board
  • 1,2: POWER IN: 10/34Vdc, 8/26Vac.
  • 3: EARTH
  • 4: ALARM: Normally Closed.
  • 5: ALARM: Nornally Open
  • 6: ALARM: COMMON
  • 7: GND serial 485 (fuse protected 100mA)
  • 8: + serial 485 (fuse protected: 100mA)
  • 9: - serial 485 (fuse protected: 100mA)
  • 10: GND serial 232
  • 11: RX serial 232
  • 12: TX serial 232