1. Althensensors
  2. Sensors
  3. Pressure sensors
  4. General purpose pressure sensors
  5. APS Absolute Pressure Transducer

APS Absolute Pressure Transducer

Low-range pressure sensor


Key features

  • Measurement ranges from 0.1 mbar to 1000 mbar
  • Series DPS: positive and negative gauge pressure, differential pressure, optional bi-directional
  • Series APS: absolute pressure

About the APS Absolute Pressure Transducer

The pressure transducers of the DPS type series are suitable for detection of positive and negative gauge pressure or differential pressure of non-aggressive gases. Optional there is an absolute pressure version APS available. These robust versions can be applied in laboratories and under industrial conditions. Important criteria such as long-term stability, linearity and good reproducibility are guaranteed through their sturdy mechanical construction. Temperature drift is minimised through targeted compensation of every sensor. The wear-free inductive measurement system allows for almost maintenance-free operation.

The integrated electronic system provides a pressure-proportional voltage signal output of 0 … 10 V (option: current signal 0(4) …20 mA). This allows an interference-free transmission of signals even over comparatively large distances. For strongly varying pressures a dampening function is included.

Applications APS

  • HVAC
  • Clean room technology
  • Medical technology
  • Filter technology
  • Finishing pass measurement
  • Level measurement (bubbling-through method)
  • Flow velocity measurement (pitot tube, orifice disk)

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Technical Specifications

Specification Value
Accuracy 1.0%
Electrical connections Cable gland M12 x 1.5, screw terminals 1.5 mm² max.
Housing Material ABS
Humidity Up to 80 % relative humidity
Long-term stability ±0.5 % per year (typical)
Measurement range barometric: 900 - 1100 mbar, 800 - 1200 mbar; absolute: 0 - 1000 mbar, 0 - 500 mbar
Output 0 - 10 V [19 - 31 VDC], ±5 V [19 - 31 VDC], ±10 V [19 - 31 VDC], 0 - 20 mA [19 - 31 VDC], 4 - 20 mA [19 - 31 VDC], 4 - 20 mA 2w [12 - 32 VDC]
Pressure connections 6.6 diameter x 11 mm (for flexible hoses 6 diameter)
Priciple Inductive
Protection class II
Sealing IP54
Sensor volume Approx. 3 ml
Shock resistance 10 g
Standards EN 61010-1; 2. (08/2002), EN 61000-6-3 (05/2006), EN 61000-6-1 (10/2007), EN 61000-6-2 (03/2006)
Storage temperature -10 to +70 °C
Temperature Specified range +10 to +50 °C
Volume increase Approx. 0.2 ml at rated pressure
Weight Approx. 0.3 kg (approx. 0.4 kg incl. power pack)

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  • For hydrogen pressure sensing applications
  • With high performance digital compensation
Datasheet View product