• Extreme Cold Temperature Vibration & Shock Measurements
  • Electrical Isolation
  • Low Base Strain Sensitivity
  • Hermetically Sealed
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The Model 876 Piezoelectric Accelerometer is intended for those vibration measurement or monitoring applications requiring operation at extremely cold temperatures. The accelerometer is suitable for event and vibration monitoring of valves and pumps employed in cryogenic service.

The shear plate construction provides optimal mechanical isolation from strain-induced inputs and thermal shock transients. The electrically isolated, double case construction provides electrostatic shielding as well as minimizing power line frequency noise caused by multi-point grounding. The accelerometer features a 10-32 top connector. Consult the factory for customized versions of this sensor.

At +75 Deg F, 10g Peak, 100Hz; Lower Frequency Limit is Determined by Associated Electronics
Referenced to Sensitivity @ 100 Hz.
Unit is Hermetically Sealed.


Charge Sensitivity 50 +/-10 pC/g 25 pC/g +/-5%
Frequency Linearity +/-5% Max 2 Hz To 4,000 Hz
Resonant Frequency 20 KHz, Min.
Amplitude Linearity +/-1.0% (BFSL) / 2,000 g
Capacitance 4,200 +/-100 pF 1,700 pF +/-5%
Insulation Resistance 10,000 M Ohm Min, 50 VDC Test
Isolation Resistance 50 M Ohm, Min. Housing to Signal Output Terminals Shorted
Transverse Sensitivity 5% Max
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