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Home | Piezoelectric Accelerometers | Integrated Piezoelectric Accelerometers

947M3

  • Vibration & Shock
  • Low Impedance Output
  • Sensitivity 2,000 mV/g
  • Electrical Isolation
  • Hermetically Sealed
  • Battery Power (+12 VDC)

The Model 947M3 Piezoelectric Accelerometer provides an electrical output of 2,000 millivolts per g over a frequency band of 2 Hz to 2,000 Hz. It is designed for measurement of the low level, low frequency signals encountered in many industrial applications involving rotating machinery.

The sensor incorporates a military-style hermetic connector to permit long-term operation in the most demanding industrial environments. Internal electrical isolation minimizes ground loop problems from noise currents. The 947M3 will operate from DC power sources ranging from 10 to 30 VDC. The low power requirement allows operation from battery sources for portable or remote applications.

Consult the factory for customized versions of this sensor.

Notes:
At +75 Deg F, 10g Peak, 100Hz; 12 VDC Power Source
Referenced to Sensitivity @ 100 Hz.
With Connector Protected or Sealed, Unit is Hermetically Sealed.

Specifications

Frequency Linearity +/-1 dB Max 2 Hz To 2,000 Hz
Amplitude Linearity +/-1.0% (BFSL)
Avg Temp Coeff of Sensitivity 0.05 % / Deg F
Transverse Sensitivity 6% Max
Voltage Sensitivity 2,000 mv/g +/-10%
Range +/-1.75 g Max.
Electrical Noise 0.0003 g Equiv., Nom.
Phase Shift (Input-Output) 6 Deg Max @ 2.5 Hz
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