Meggitt
Meggitt Vibro-Meter CA280 Piezoelectric Accelerometer
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100 pC/g, ?55 to 260 °C, up to 10000 Hz.
The CA280 piezoelectric accelerometer is a high-quality, high-reliability vibration 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 CA280 is designed and built for long-term use in extreme environments characterised by high temperatures and/or hazardous areas (potentially explosive atmospheres).
FeaturesDesigned for the long-term measurement of vibration in extreme environments, such as gas turbines, gearboxes and compressorsVery high sensitivity: 100 pC/gVery wide frequency response: 0.5 to 10000 HzAvailable as a sensor only (no integral cable) or with an integral soft-line cable with a flexible stainless steel hoseCertified for use in potentially explosive atmospheresPARAMETER
VALUE (IMPERIAL | METRIC)
Output type
Charge (2-wire)
Sensitivity
100 pC/g | 10.2 pC / m/s2
Operating temperature range
?67 to 500 °F | ?55 to 260 °C
Frequency response
Up to 10000 Hz
Sensitivity tolerance
±5%
Dynamic measurement range
0.01 to 500 g | 0.0981 to 4905 m/s2
Linearity
±1% and ±2%
Transverse sensitivity
?3%
Resonant frequency
20 kHz
Base strain sensitivity
<0.2E?3 g/µ?
Hazardous area certifications
Ex ia, Ex nA
