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Specifications
Mfr. Part #:
731A/P31
Key Attributes
Model Number:
731A/P31
Product Description
Product Overview
The Wilcoxon Sensing Technologies 731A/P31 Seismic accelerometer and power amplifier system is designed for applications requiring ultra-high sensitivity and ultra-low-noise electronics. Manufactured in an ISO 9001 facility, this system offers selectable acceleration and velocity sensitivities, along with a wide frequency response. Special handling is required due to its sensitivity. The system is ideal for measuring seismic activity and vibration.
Product Attributes
- Brand: Wilcoxon Sensing Technologies
- Part of: An Amphenol Company
- Manufacturing Facility: ISO 9001 certified
- Special Handling: Required due to sensitivity
- Accessories Supplied: SF7 mounting stud, calibration data (level 3)
Technical Specifications
| Specification | 731A | P31 | Details |
|---|---|---|---|
| Acceleration Sensitivity (selectable) | 10, 100, 1000 V/g | ||
| Velocity Sensitivity (selectable) | 0.1, 1, 10 V/in/sec | ||
| Vibration Range (max) | 0.5 g peak | ||
| Amplitude Nonlinearity | 1% | ||
| Frequency Response (Filter) | 100 Hz 10% | ||
| Frequency Response (3 dB) | 0.08 - 70 Hz | ||
| Frequency Response | 0.05 - 100 Hz | 450 Hz velocity | |
| Frequency Response | 0.08 - 300 Hz | - - - | |
| Frequency Response | 0.05 - 450 Hz | 0.8 - 150 Hz | |
| Transverse Sensitivity (max) | 1% of axial | ||
| Output Impedance | 2500 | ||
| Recommended Load Impedance | > 250 k | ||
| Maximum Output Voltage | 5 V peak | ||
| Noise (Spectral) @ 2 Hz | 0.03 g/Hz | ||
| Noise (Spectral) @ 10 Hz | 0.01 g/Hz | ||
| Noise (Spectral) @ 100 Hz | 0.004 g/Hz | ||
| Grounding | Case isolated | ||
| Output Connector | 2 pin, MIL-C-5015 | BNC | |
| Input Connector | twin axial BNC | (P31) | |
| Power Requirements | Internal batteries | (P31) | |
| Battery Life | Two 9-volt alkaline >75 hours | (P31) | |
| Temperature Range | 10 to +65C | ||
| Vibration Limit | 10 g peak | ||
| Shock Limit | fragile | ||
| Base Strain Sensitivity | 0.0001 g/strain | ||
| Sensing Element Design | PZT ceramic / flexure | ||
| Weight | 760 grams | 600 grams | |
| Interconnect Cable (731A to P31) | R6-2T-J9-10 | ||
| Output Connector Function (731A) | Power/Signal | Common | White (power/signal), Black (common), Shell (case shield) |
| Input Connector Function (P31) | Signal | Common | Pin (center conductor), Shell (ground shield) |
2104260034_Amphenol-731A-P31_C1019431.pdf
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