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Model 731A/P31 Seismic Accelerometer/Power Supply Amplifier System
Description
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.
Features- 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
Specifications
Specifications
Battery Life
- > 75 Hours - Model P31
Electrical Connectors
- Input Connector: Twin Axial BNC - Model P31
- Interconnect Cable (R6-2T-J9-10)
- Output Connector: 2-Pin, MIL-C-5015 - Model 731A
- Output Connector: BNC Connector - Model P31
Element
- Sensing Element Design: PZT Ceramic, Flexure
Frequency
- Frequency Response (-10 %): 0.08 to 300 Hz
- Frequency Response (-3 dB): 0.05 to 450 Hz
Load Impedance
- Recommended Load Impedance: > 250 kΩ
Noise
- Spectral (10 Hz): 0.01 µg/√Hz
- Spectral (100 Hz): 0.004 µg/√Hz
- Spectral (2 Hz): 0.03 µg/√Hz
Non-Linearity
- Amplitude Non-Linearity: 1 %
Output Impedence
- Maximum
Power Requirement
- Internal: (2) 9 V Alkaline Battery - Model P31
Range
- Acceleration Range: 0.5 G Peak
Sensitivity
- Acceleration Sensitivity, Selectable: 10 to 1,000 V/g
- Base Strain Sensitivity: 0.0001 G/μstrain
- Transverse Sensitivity, Max.
- Velocity Sensitivity, Selectable: 0.1 to 10 V/inch/sec
Shock
- Fragile
Temperature Range
- -10° to 65° C (14° to 150° F)
Vibration
- Vibration Limit: 10 G Peak
Voltage
- Maximum
