MODEL 7131AT ACCELEROMETERSPECIFICATIONSIsolated Case Option

7131ATDIMENSIONS
7131AT DimensionsTriaxial IEPE Accelerometer
Miniature Cube with TEDS
Hermetically Sealed, Titanium±50g to ±2000g Dynamic Ranges

The Model 7131AT is a miniature triaxial IEPE
accelerometer available in ±50g to ±2000g dynamic ranges.
The accelerometer features a hermetically sealed Titanium
construction with a 4-pin Microtech connector interface andis TEDS 1451.4 compliant. The model 7131A incorporates
stable piezo-ceramic crystals in annular shear mode which
provide a flat frequency response up to >10kHz.

FEATURES

4-pin Connector Interface
Wide bandwidth up to 10kHzTEDS 1451.4
Miniature Triaxial
Annular Shear Mode Crystals
Stable Temperature Response
Isolated Case Option

APPLICATIONS
Vibration & Shock Monitoring
Laboratory Testing
Modal Applications
High Frequency Applications
General Purpose Usage
Stress Screening

Isolated Case Dimensions

SENSOR SOLUTIONS /// Model 7131AT Rev A

07/2017

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MODEL 7131AT ACCELEROMETERPERFORMANCE SPECIFICATIONS
All values are typical at +24°C, 80Hz and 4mA excitation unless otherwise stated. Measurement Specialties reserves the right to update
and change these specifications without notice.
Parameters
DYNAMIC
Dash Number (GG)
Range (g)Sensitivity (mV/g)
Frequency Response (Hz)Frequency Response (Hz)Natural Frequency (Hz)Non-Linearity (%FSO)
Transverse Sensitivity (%)
Shock Limit (g)Residual Noise (g RMS)

-51
±501002.5-8000
1-1000043000±1<550000.0004

ELECTRICAL
Compliance Voltage (Vdc)
Excitation Current (mA)
Bias Voltage (Vdc)
Bias Voltage (Vdc)
Output Impedance (Ω)
Full Scale Output Voltage (V)Discharge Time Constant (sec)Ground Isolation

18 to 30
2 to 108 to 126 to 13<100±50.8 to 1.2
Case Grounded (Case Isolation option; see ordering info on page 3)

ENVIRONMENTAL
Temperature Response (%)
Operating Temperature (°C)
Storage Temperature (°C)
Humidity

See Typical Temperature Response Curve-55 to +125
-55 to +125
Hermetically Sealed

PHYSICAL
Sensing Element
Case Material
Electrical Connector
Weight (grams)
Mounting

Ceramic (shear mode)
Titanium
4-Pin Receptacle
5.8 (6.6 for Isolated Case Option)
Adhesive (stud mount option)-12±100501.5-8000
0.8-10000
43000±1<550000.0005-22±20025
1.5-8000
0.8-10000
43000±1<550000.0008-52±500
101-8000
0.5-10000
43000±1<550000.0012-23±2000
2.51-9000
0.5-11000
43000±1<550000.0032

Notes
See Ordering Information±15%±10%±2dB

Broadband 1Hz to 10kHz

Room Temperature-55 to +125°C

Calibration supplied:

CS-FREQ-0100

NIST Traceable Amplitude Calibration from 20Hz to ±2dB Frequency Response Limit

Optional accessories:

315-XXX
161A
AC-A04025

Cable Assembly, 4-pin ¼-28 to 3x BNC (XXX designates length in inches, 10ft standard)
4-Channel PE & IEPE Signal Conditioner
Adhesive Mounting Adaptor (for -02 thread option)

The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Furthermore, thisinformation does not convey to the purchaser of such devices any license under the patent rights to the manufacturer. Measurement Specialties, Inc. reserves the rightto make changes without further notice to any product herein. Measurement Specialties, Inc. makes no warranty, representation or guarantee regarding the suitabilityof its product for any particular purpose, nor does Measurement Specialties, Inc. assume any liability arising out of the application or use of any product or circuit andspecifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in different applications.
All operating parameters must be validated for each customer application by customer’s technical experts. Measurement Specialties, Inc. does not convey any licenseunder its patent rights nor the rights of others.

SENSOR SOLUTIONS /// Model 7131AT Rev A07/2017

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MODEL 7131AT ACCELEROMETERFrequency Response
Phase Response

Typical Frequency and Phase Response
40203530

152510105500-5-10-5-15-20-10-25-30-15-35-40-20

100000

10000

1000

10010Frequency (Hz)Typical Temperature Response
10%8%6%4%2%0%-2%-4%-6%-8%-10%-60-40-200204060

80

100120140

Temperature (°C)

SENSOR SOLUTIONS /// Model 7131AT Rev A07/2017

Page 3Phase (degrees)

15Sensitivity Deviation (%)

Sensitivity Deviation (%)

20MODEL 7131AT ACCELEROMETER

ORDERING INFORMATIONPART NUMBERING

Model Number+Range

7131AGG -XXll_____ Optional Dash Number
l_____ Range (51 is 5x101 = 50g, 12 is 1x102 = 100g)

Dash Number
-01
-02
-03

Thread Options
M2.5 x 0.45 6g#5-40 UNF-2B
Case Isolated

Example: 7131A51
Model 7131AT, 50g, No Option

TE.com/sensorsolutions
Measurement Specialties, Inc., a TE Connectivity company.
Measurement Specialties, TE Connectivity, TE Connectivity (logo) and EVERY CONNECTION COUNTS are trademarks. All other logos, products and/or company names referred to herein
might be trademarks of their respective owners.
The information given herein, including drawings, illustrations and schematics which are intended for illustration purposes only, is believed to be reliable. However, TE Connectivity makes
no warranties as to its accuracy or completeness and disclaims any liability in connection with its use. TE Connectivity‘s obligations shall only be as set forth in TE Connectivity‘s Standard
Terms and Conditions of Sale for this product and in no case will TE Connectivity be liable for any incidental, indirect or consequential damages arising out of the sale, resale, use or misuseof the product. Users of TE Connectivity products should make their own evaluation to determine the suitability of each such product for the specific application.
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TE Connectivity Ltd. family of companies

All Rights Reserved.

SENSOR SOLUTIONS /// Model 7131AT Rev A

07/2017

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