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Specifications
Mfr. Part #:
731A
Key Attributes
Model Number:
731A
Product Description
Product Overview
The Wilcoxon Sensing Technologies 731A is an ultra-quiet, ultra-low-frequency accelerometer designed for applications requiring clear signals at sub-g levels. It features ultra-high sensitivity and is manufactured in an ISO 9001 facility. Special handling is required due to its sensitivity, and a wooden protective case is included. This accelerometer is suitable for applications demanding precise low-frequency measurements.
Product Attributes
- Brand: Wilcoxon Sensing Technologies
- Origin: USA
- Material: 316L stainless steel (case)
- Certifications: ISO 9001 facility
- Special Handling: Required due to sensitivity
- Included Accessories: Wooden protective case, SF7 mounting stud, calibration data (level 3)
Technical Specifications
| Specification | Value |
|---|---|
| Model | 731A |
| Sensitivity ( 10%, 25C) | 10 V/g |
| Acceleration Range | 0.5 g peak |
| Amplitude Nonlinearity | 1% |
| Frequency Response ( 10%) | 0.10 - 300 Hz |
| Frequency Response ( 3 dB) | 0.05 - 450 Hz |
| Resonance Frequency | 750 Hz |
| Transverse Sensitivity (max) | 1% of axial |
| Temperature Response (10C) | 12% |
| Temperature Response (+65C) | +5% |
| Power Requirement (Voltage Source) | 18 - 30 VDC |
| Power Requirement (Current Regulating Diode) | 2 - 10 mA |
| Electrical Noise (equiv. g, Broadband 2.5 Hz to 25 kHz) | 0.5 g |
| Electrical Noise (Spectral @ 2 Hz) | 0.03 g/Hz |
| Electrical Noise (Spectral @ 10 Hz) | 0.01 g/Hz |
| Electrical Noise (Spectral @ 100 Hz) | 0.004 g/Hz |
| Output Impedance (max) | 100 |
| Bias Output Voltage | 9 VDC |
| Temperature Range | 10 to +65C |
| Vibration Limit | 10 g peak |
| Shock Limit | fragile |
| Electromagnetic Sensitivity (at 60 Hz) | 20 g/gauss |
| Sealing | hermetic |
| Base Strain Sensitivity (max) | 0.0001 g/strain |
| Sensing Element Design | PZT ceramic / flexure |
| Weight | 760 grams |
| Mounting | 3/8-16 tapped hole |
| Output Connector | 2 pin, MIL-C-5015 style |
| Mating Connector | R6 type |
| Recommended Cabling | J9 / J9T2A |
| Connector Pin A (Power/Signal) | Power/Signal |
| Connector Pin B (Common) | Common |
| Connector Shell (Ground) | Ground |
Options
- Power unit/amplifier model P31
2411200036_Amphenol-731A_C3224928.pdf
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