731A | P31 Low Frequency (Seismic) Vibration Sensors

Seismic accelerometer and power supply/amplifier

About the 731A | P31 Low Frequency (Seismic) Vibration Sensors

Top exit, ultra low frequency seismic accelerometer, case isolated, 2-pin MIL-C-5015 connector, 10 V/g, IEPE power supply, power amplifier, twinaxial BNC input, BNC Output


Key features 731A | P31

  • Ultra high sensitivity
  • Ultra low-noise electronics for clear signals at sub micro-g levels
  • Low frequency capable
  • Low pass filtered to eliminate high frequencies
  • ESD protection
  • Reverse wiring protection



Sensor output
Dynamic vibration (IEPE)
10 V/g
Sensitivity tolerance
±10 %
Frequency response
0.05 Hz - 450 Hz
Mounting Thread
3/8-16 tapped hole
Connector style
MIL-C-5015, 2-pin
Connector orientation
Top exit
Full-scale range
0.5 g peak
Resonance frequency
750 Hz
Temperature range
-10°C to +65°C
Hazardous area approvals
  • Follow us: