PU/PI

Differential pressure transmitter available in a range of precision classes for measurement of positive or negative differential pressures

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Differential pressure transmitter available in a range of precision classes for measurement of positive or negative differential pressures

Special features

  • High level of accuracy
  • Little zero point drift or hysteresis; largely independent of temperature
  • LCD display (optional)
  • Output signal: 0 .. 10 V (PU), 0/4 .. 20 mA (PI)
  • Factory-adjusted attenuation of the output signal of up to 5 s possible (optional)
  • Can be calibrated

These differential pressure transmitters are available in a wide range of precision classes and therefore suitable for applications in the heating, air-conditioning and ventilation industries as well as sophisticated laboratory applications. An optional display allows measurement values to be read directly on-site in Pa, kPa or mmH 2 O. An optional time constant (up to 5s) allows the instrument to generate an attenuated output signal, even under fluctuating pressure conditions. The instrument is available with an ISO factory calibration or DAkkS-accredited calibration certificate (optional).

Options

  • Available with an ISO factory calibration or DAkkS-accredited calibration certificate (optional).
Measurement ranges
50 / 100 / 250 / 500 Pa1 / 2.5 / 5 / 10 / 20 / 50 / 100 kPaOthers available upon request
Margin of error (0,3 Pa for the reference)
± 0.2 % of max. value for measurement ranges ≥ 250 Pa and ≤ 50 kPa± 0.5 % of max. value± 1 % FS
Output (signal)
PU: 0 .. 10 V (RL ≥ 2 k Ω)PI: 0/4 .. 20 mA (RL ≤ 500 Ω)
Display

3 1/2 digit, 4 1/2 digit

Protection class

IP 65

Supply voltage
24 VDC, +20 % / -15 %24 VAC, +6 % / -15 %115 VAC, +6 % / -15 %230 VAC, +6 % / -15 %
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