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AW / AK / BW / BK / BZ

Humidity and Temperature- sensors for advanced requirements

  • very precise
  • temperature range -80...200°C
  • pressure-proof up to 25 bar
  • IP 65
  • with integrated hx processor for determination of the values dew point temperature, mixing ratio, enthalpy, absolute humidity and wet bulb temperature
  • on-site adjustment via buttons and LED
  • three designs, optional with display
  • AW / AK / BW / BK / BZ
AW / AK / BW / BK / BZ
AW / AK / BW / BK / BZ

General information

A Series: Plug-and-Measure- exchangable probes
B Series: probes are firmly connected

Humidity: ± 1.5% rh  10...90 % rh at 23 °C
Temperature ± 0.15 K at 23 °C

Designed for use in industrial process automation, the sensors of the A + B series can be installed in virtually any position. The robust devices are available to be mounted in ducts, on walls, or are available with a stainless steel probe which can be up to 5 m away from the output electronics. Depending on the application, we either recommend using transmitters with exchangeable or permanently assigned probes. The type of filters and filter materials can be adapted to suit the respective protection category required (up to IP65).

All devices work with an internal processor which uses the measured values for relative humidity and temperatures to also calculated enthalpy, absolute humidity, mixture ratio (water/air) or the wet-bulb temperature. Digitalization of the signal processing allows the measurement accuracy for humidity to reach excellent values of ±1.5 % RH, and with the platinum resistance sensor, the accuracy of the temperature measurement reaches tolerances of ±0.15 K. Depending on the individual design, the sensors can be used at temperatures of between -80 °C and +200 °C and at pressures of up to 25 bar in non-corrosive air.

The measured values are offered at the output as analogue standard signals in the form of voltage (0 … (1) … 10 VDC) or current (4 … 20 mA), although the outputs can be configured differently and can also be customer-specifically defined using the software. As an option, a two-line display is available.

Technical data

measuring range 0...100%rh
measuring accuracy *) 10...90%rh at 23°C ±1.5%rh
at <10%rh or >90%rh ±2%rh
influence of temperature (TK) ±0.02%rh/K
hysteresis< 1%rh
response time t63 at v=2m/s< 10 s
*) ex works. Depending on the specific range of application a regular recalibration of the sensor parts
has to be effected. Higher accuracies on request.
measuring element Pt1000 cl.B
output range see table page 3
measuring accuracy at 23°C *) ±0.15K
influence of temperature (TK)<0.005 K/K
*) depending on the extension of the output range, max. 0.25 K
Digital display
2 lines, 3 digits + 1 decimal place
display approx. 21 x 40 mm², digit approx. 8 mm high
General Data
measuring medium air, non-aggressive
operating voltage 0...1 V 6...30 VDC / 6...26 VAC
0...10 V 15...30 VDC / 13...26 VAC
4...20 mA VDC
power consumption< 7 mA
(voltage output) 0...10(1) V ≥ 10 (2) kOhm
admissible ambient temp. on the transmitter -40...85°C
use of duct sensor up to 150°C(THup to 200°C) -40...50°C
degree of protection .......transmitter IP65
measuring head (see table)
plug-in connection sensor part ----> transmitter IP67
material of housing
sensor part stainless steel
transmitter pressure die casting of alu
Directive about electromagnetic compatibility 2004/108/EG
DIN EN 61326-1 issue 07/13
DIN EN 61326-2-3 issue 07/13

Do you have questions on this product?

Your contact person:

Badger Meter Swiss AG
Mittelholzerstrasse 8
CH-3006 Bern