High Temperature Accelerometers
PCB® offers specially designed and tested ICP® and charge mode accelerometers for testing in extremely high temperatures.
ICP® accelerometers can withstand conditions of up to 356 °F (180 °C). These sensors combine proven quartz and ceramic shear sensing technology with specialized, built-in microelectronic signal conditioning circuitry to achieve dependable operation in extreme temperatures and through repetitive temperature cycling.
Charge mode output accelerometers can operate at extremely high temperatures, up to 1200 °F (649 °C), because they do not contain the built-in signal conditioning electronics that limit the temperature range of ICP® accelerometers. They use piezo-ceramic sensing elements that output an electrostatic charge signal proportional to the applied acceleration.
PCB's UHT-12™ Technology
UHT-12™ is a proprietary crystal designed for more accurate, lower noise measurements at elevated temperatures. UHT-12™ technology reduces the effects of temperature variation. Pyroelectricity phenomenon may occur during large temperature fluctuations, generating "spikes" and disrupting behavior of the accelerometer and the test results. Accelerometers made with UHT-12™ technology have an improved data quality.