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

Categories: Dynamic pressure sensors, Sensors & signal conditioners

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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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