CP235 piezoelectric pressure transducer

  • Designed for the long-term measurement of pressure pulsation in extreme environments, such as gas turbine combustors
  • Very high sensitivity: 750 pC/bar
  • High operating temperature: up to 520 °C
  • Available in different integral mineral-insulated (MI) cable lengths, terminated with a high-temperature connector
  • Certified for use in potentially explosive atmospheres
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Description

750 pC/bar, −55 to 520 °C, 2 to 10000 Hz.

The CP235 piezoelectric pressure transducer is a high-quality, high-reliability dynamic pressure sensor with a piezoelectric sensing element that provides a charge output. Accordingly, an external charge amplifier (IPC704 signal conditioner), is required to convert this charge-based signal into a current or a voltage signal.

The CP235 is designed and built for long-term use in extreme environments characterised by high temperatures and/or hazardous areas (potentially explosive atmospheres).

Features

  • Designed for the long-term measurement of pressure pulsation in extreme environments, such as gas turbine combustors
  • Very high sensitivity: 750 pC/bar
  • High operating temperature: up to 520 °C
  • Available in different integral mineral-insulated (MI) cable lengths, terminated with a high-temperature connector
  • Certified for use in potentially explosive atmospheres

Additional information

Output type

Charge (2-wire)

Sensitivity

51.7 pC/psi | 750 pC/bar

Operating temperature range

−67 to 968 °F | −55 to 520 °C

Frequency response

Up to 10000 Hz

Sensitivity deviation

See response curves in data sheet

Dynamic measurement range

0.0007 to 72.5 psi | 0.00005 to 5 bar

Overload capacity

Up to 1450 psi | Up to 100 bar

Linearity

<±1%

Acceleration sensitivity

≤0.15 pC/g and ≤0.375 pC/g

Resonant frequency

>55 kHz

Hazardous area certifications

Ex ia, Ex ib, Ex nA

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