Columbia Research Labs, Inc. High Intensity Acoustic Sensor 765M22

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High Intensity Acoustic Sensor 765M22
The Models 765M20 and 765M22 High Intensity Acoustic Sensors (Microphones) are designed for the measurement of gas-borne sound in industrial applications. These sensors have been constructed for use in corrosive environments that are compatible with the type 316 stainless steel diaphragm. The miniature 10-32 fused-glass coaxial connector, when combined with allwelded construction, provides a true hermetic seal. Electrically, these devices comprise 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 true differential input amplifier. Consult the factory for customized versions of this sensor. Features High Sensitivity Choice of Sensitivities 2200 or 1200 pC/psi High Temperature To +500 Deg F Electrically Isolated
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Technical Specifications

  Columbia Research Labs, Inc.
Product Category Measurement Microphones
Product Number 765M22
Product Name High Intensity Acoustic Sensor
Nominal Size Other; 1.5" Hex
Polarization Prepolarized Electret
Operating Temperature -10 to 500 F (-23 to 260 C)
Sound Field Pressure Field
Actual Size 1.5 inch (38.1 mm)
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