Galltec-Mela logo Humidity measuring technology - high quality

Technical data

Relative Humidity
0...100 % RH
Temperature
-40 ... + 85 °C
Dew point temperature
Wet bulb temperature
Absolute humidity
Mixing ratio
Enthalpy
-20 ... +70 °C
-10 ... +50 °C
0 ... 20g/m³
0 ... 100g/kg dry air
0 ... 80kJ/kg
Signal output
0...1 V
0...10 V
4...20 mA
RS232, RS485 Modbus
Supply voltage
6 ... 30 V DC / 6...26 VAC
15 ... 30 V DC / 13...26 VAC
10 ... 30 V DC
5 ... 30 V DC

AW combined with probes of the S series

Transmitters for humidity and temperature can be combined with different probes

Features

  • Operating temp. up to bis 85 °C
  • Accuracy : ±1,5 % RH
  • On-site calibration
  • IP65
  • Stainless steel sensor tube
  • Modulair, can be combined

Options

  • Modbus
  • Display
  • hx converter
  • Pressure-resistant up to 10 bar
  • Ammonia-resistant

Industry Transmitters for humidity and temperature, AW (wall mounted), can be combined with any probe of the S series. The AW-transmitter combined with the probe SVKA.00 (pictured here) can measure relative humidity and temperature, in air and other non-aggressive gases, for operating temperatures up to 85 °C.

The integrated hx processor can calculate further humidity values and apply them to the two outputs. With the RS485 standard all of the hx-values can be read simultaneously. Due to the digitisation of signal processing, the measurement accuracy for humidity achieves excellent values of ±1.5 % RH. In temperature measurement, the platinum resistance sensor achieves tolerances of ±0.15 K.

Both transmitterheads of the A series (wallmount and duct mount) can be combined with any probe of the S series.

Capacitive MELA® sensorchips
Equipped with the highly dynamic capacitive MELA® sensor element, the sensor provides reliable performance across the full humidity range. Using the MELA® sensor element ensures long-term stability, resistance to dew formation, minimal hysteresis, and strong dynamic capabilities.

Often used in

  • Chemical industry
  • Clean rooms
  • Climate chambers
  • Drying plants
  • Paint shops
  • Paper & print
  • Pharmaceutical industry
  • Process and factory automation
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