Charge Accelerometer targets gas turbine applications.

Press Release Summary:

Equipped with UHT-12™ sensing element, Model 357A100 Differential Charge Accelerometer is suited for use in commissioning of nuclear power plants, condition monitoring of power generation and aviation gas turbines, and machinery protection in very high temperature environments. UHT-12™ crystal technology features sensitivity that remains consistent over wide temperature change, absence of pyroelectric noise spikes up to 900°F, and no depletion of oxygen at high temperatures.

Original Press Release:

"Very High Temperature Charge Accelerometer with UHT-12(TM) Element

Designed for Gas Turbine Applications and Other 900 °F (482 °C) Environments

DEPEW, NY - IMI Sensors, manufacturer of industrial  vibration monitoring instrumentation, announced the release of  Model 357A100, a very high temperature differential charge accelerometer with a UHT-12™ sensing element.  This accelerometer is for use in the commissioning of nuclear power plants, condition monitoring of power generation and aviation gas turbines and machinery protection in very high temperature environments.

The new UHT-12™ crystal technology features:

Absence of pyroelectric noise spikes up to 900 °F (482 °C).

Sensitivity that remains more consistent over a wide temperature change.

Shear mode crystals isolated from base strain and transverse measurement errors.

No depletion of oxygen at high temperatures, eliminating the need for a vent or window in the housing.

IMI offers various differential charge amplifiers to support the launch of Model 357A100, including Models 421A3X, EX682A40 and 422M182. Additional information about IMI's complete line of high temperature vibration sensors are found at

For all technical inquiries and application support, please contact Meredith Christman at or 716-684-0003 x2071.

About IMI Sensors

IMI Sensors, a division of PCB Piezotronics, is a global designer and manufacturer of industrial vibration monitoring instrumentation such as accelerometers, vibration transmitters and switches. These sensors feature rugged stainless steel housings and survive in harsh environments like paper and steel mills, mines, gas turbines, water treatment facilities and power plants.  Integrating with portable analyzers and PLCs, IMI Sensors' instrumentation helps maintenance departments reduce downtime and protect critical machinery.  Our Platinum Stock Sensors program ensures same day shipment of over 10,000 sensors that are covered by lifetime warranty. With a worldwide support team of Field Sales, Application Engineers, and Customer Service Representatives, IMI proudly stands behind their products with the services you value most, including a 24-hour SensorLinesm, a global distribution network, and the industry's only commitment to Total Customer Satisfaction.  Visit us at for more information.

PCB and ICP are registered trademarks of PCB Group, Inc.

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