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728A and 728T

Product catalog summary

Specifications Overview
The document provides detailed specifications for the 728A and 728T high sensitivity, compact accelerometers manufactured by Wilcoxon Sensing Technologies, an Amphenol Company. These accelerometers are designed for a wide range of applications due to their wide dynamic range and low noise floor.

Key Features

Wide dynamic range
Low noise floor
Manufactured in an ISO 9001 certified facility

Technical Specifications

Sensitivity: 500 mV/g ± 5% at 25°C
Acceleration Range: 15 g peak
Amplitude Nonlinearity: 1%
Frequency Response: 3 - 5,000 Hz (± 5%), 1 - 10,000 Hz (± 3 dB)
Resonance Frequency: 24 kHz nominal when mounted
Transverse Sensitivity: Maximum 7% of axial
Temperature Response: -50°C to +120°C with variations of -10% to -5%
Power Requirement: 18 - 30 VDC voltage source, 2 - 10 mA current regulating diode
Electrical Noise: Broadband 30 µg, Spectral 5.0 µg/√Hz at 10 Hz, 0.4 µg/√Hz at 100 Hz, 0.1 µg/√Hz at 1,000 Hz
Output Impedance: Maximum 100 Ω
Bias Output Voltage: Nominal 10 VDC
Grounding: 728A is case grounded, 728T is base isolated
Temperature Range: -50° to +120°C
Vibration Limit: 250 g peak
Shock Limit: 2,500 g peak
Electromagnetic Sensitivity: 20 µg/gauss at 60 Hz
Base Strain Sensitivity: 0.002 g/μstrain
Weight: 44 grams
Case Material: Stainless steel
Mounting: 10-32 tapped hole
Output Connector: 10-32 coaxial
Mating Connector: R1
Recommended Cabling: J93

Physical Dimensions

Model 728A: 0.54" diameter, 1.00" length, 5/8" hex
Model 728T: 0.62" diameter, 1.40" length, 11/16" hex

Additional Information
Accessories supplied include an SF1 mounting stud and calibration data (level 3). The document notes that specifications are subject to change without notice and is cleared for public release.

Catalog excerpts

SPECIFICATIONS Sensitivity, ± 5%, 25°C Acceleration range Amplitude nonlinearity Frequency response: ± 5% ± 3 dB Resonance frequency, mounted, nominal Transverse sensitivity, max Temperature response: -50°C +120°C Power requirement: Voltage source Current regulating diode Electrical noise, equiv. g, nominal: Broadband 2.5 Hz to 25 kHz 100 Hz 1,000 Hz Output impedance, max Bias output voltage, nominal Grounding: 728A 728T Temperature range Vibration limit Shock limit Electromagnetic sensitivity at 60 Hz Base strain sensitivity Weight Case material Mounting Output connector Mating connector Recommended cabling • Wide dynamic range • Low noise floor • Manufactured in ISO 9001 facility 30 pg 5.0 pg/VHz 0.4 pg/VHz 0.1 pg/VHz 100 O 10 VDC case grounded base isolated -50° to +120°C 250 g peak 2,500 g peak 20 pg/gauss 0.002 g/pstrain 44 grams stainless steel 10-32 tapped hole 10-32 coaxial R1 J93 Model 728A Accessories supplied: SF1 mounting stud; calibration data (level 3) Model 728T Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Wilcoxon Sensing Technologies An Amphenol Company 8435 Progress Drive Frederick, MD 21701 USA buy.wilcoxon.com www.wilcoxon.com

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