PS 27

Compact differential pressure transmitter for positive or negative differential pressures in basic applications

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Compact differential pressure transmitter for positive or negative differential pressures in basic applications

Special features

  • ± measurement ranges and asymmetric measurement ranges
  • Either with 1 fixed measurement range or toggling between 4 different measurement ranges (can be selected via DIP switches, optional)
  • Suitable for top-hat rail mountingand wall surface installation
  • Selectable output signal 0/2 .. 10 V, 0/4 .. 20 mA or 0 .. 5 V
  • Can be calibrated
  • Zero-point calibration via an external signal reduces maintenance costs
  • The adjustable limit switch permits the connection of, e.g. ventilators or signalling devices, and saves additional wiring (optional)
  • Electrical connection: With standard M16 cable gland, optional 4-pin M12 plug with A-coding

This compact differential pressure transmitter is particularly suited to filter and pressure monitoring applications in the heating, air-conditioning and ventilation industries. 

Options

  • The instrument is available with an factory calibration certificate or calibration certificate according to DKD-R 6-1.
  • An optional display allows measurement values to be read directly on-site in Pa or kPa. 
  • An optional time constant (up to 4s) allows the instrument to generate an attenuated output signal, even under fluctuating pressure conditions.
  • To reduce wiring costs, the instrument is also available in a version with two-wire technology (optional).
  • Pressure ports also as push-in fittings on request
Measurement ranges
50 / 100 / 200 / 500 Pa1 / 2 / 5 / 10 kPaOthers available upon requestOptional: toggles between: 100 / 250 / 500 / 1000 Patoggles between: 250 / 500 / 1000 / 2000 Patoggles between: 1 / 2.5 / 5 / 10 kPaalso ± measurement ranges
Measurement accuracy
± 2 % of the set value for measurement ranges ≥ 100 Pa± 3 % of the set value for measurement range < 100 Pa
Output signal
0 .. 5 V (RL ≥ 50 kΩ)0 .. 10 V (RL ≥ 50 kΩ)2 .. 10 V (RL ≥ 50 kΩ)0 .. 20 mA (RL ≤ 500 Ω)4 .. 20 mA (RL ≤ 500 Ω)The output signal can be configured using DIP switches
Display

3 1/2 digits LCD

Protection class

IP 65

Pressure connections

Standard for 4 and 6 mm tubing, push-in fittings on request

Contact points
1 relay (changeover contacts) max. 230 V AC, 6 A
Power supply
15 .. 32 VDC two-wire24 VAC/DC, ± 10 % without galvanic separation
Data sheets with technical drawing

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