Columbia Research Labs, Inc. High Intensity Acoustic Sensor 938

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High Intensity Acoustic Sensor 938
The Columbia Model 938 High Intensity Acoustic Sensor (Microphone) is designed for the measurement of gas-borne sound in the frequency range of 2 Hz to 15KHz in industrial applications requiring operation up to +500 Degrees Fahrenheit. The unit is constructed for use in corrosive environments which are compatible with the type 316 stainless steel diaphragm. The stainless steel MILstyle connector combined with the all-welded construction provides a true hermetic seal. Electrically, the Model 938 transducer comprises sensing elements of piezoceramic material in a balanced and floating configuration to provide enhanced rejection of electrical noise associated with many industrial environments. Optimum performance is achieved when used with a differential input amplifier. Consult the factory for customized versions of this sensor. Features High Sensitivity Wide Frequency Response High Temperature To +500 Deg F Electrically Isolated 2-Pin Connector
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Technical Specifications

  Columbia Research Labs, Inc.
Product Category Measurement Microphones
Product Number 938
Product Name High Intensity Acoustic Sensor
Nominal Size Other; 1.06" Hex
Polarization Prepolarized Electret
Operating Temperature -10 to 500 F (-23 to 260 C)
Sound Field Pressure Field
Agency Approval MIL-C-5015
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