Precision low frequency vibration sensor Amphenol 731A with 0.5 g acceleration range and ISO 9001 certified manufacturing

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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