A and B Series, with analogue outputs
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
A Series: Plug-and-Measure- exchangable probes
B Series: probes are firmly connected
AB-Serie Prospekt (PDF)
Accuracy
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.
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