PCB offers Series 113B and 102B pressure sensors
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PCB Piezotronics product story
Edited by the Engineeringtalk editorial team
Mar 12, 2009
PCB Aerospace and Defense - a division of PCB Piezotronics - has unveiled Series 113B and 102B frequency-tailored ICP and charge-output piezoelectric pressure sensors.
The quartz dynamic pressure sensors are claimed to have an extremely fast 1us response time, with resonant frequencies above 500KHz.
Frequency tailoring, a combination of mass balancing and microelectronics, is said to provide a fast response to shock waves without the high ringing amplitudes experienced with general-purpose piezoelectric sensors or resistive silicon semiconductor sensing technologies.
Each sensor is 100 per cent in-process tested for resonant frequency, rise time and acceleration compensation and is supplied with NIST-traceable, A2LA-accredited calibration to ISO17025.
Optional gas-driven shock-tube response curves can be provided upon request.
The sensors are suitable for measuring blast overpressure and explosion pressure in free-field or closed arenas to obtain peak pressure, total impulse, shock wave and time-of-arrival measurements, which are often used to study blast effects on structures, vehicles and other surrounding objects.
Frequency tailoring allows the sensors to capture both peak pressure and total impulse calculations.
Other applications include pulsations, closed bomb combustion, airbag testing and pneumatic, hydraulic, fluid and other such dynamic pressures.
ICP technology features integral microelectronics that provide a high signal-to-noise ratio compared to resistive silicon semiconductor sensing technologies, which require external amplification.
The high-level 5V output signal is capable of driving long cable runs, hundreds of feet in length, to a safe zone for data acquisition.
Solid-state construction, hermetically sealed housings and laser-welded flush diaphragms are intended to provide undistorted high-frequency response and durability, even in adverse environmental conditions.
PCB Series 113B and 102B pressure sensors are available with dynamic ranges to 15kpsi (103MPa) and sensitivities to 100mV/psi (14.5mV/kPa).
Stock models and alternate mountings are available.
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