MODEL 68C ACCELEROMETERSPECIFICATIONSDIMENSIONS

Triaxial Accel, DC Response
Durable Low Noise Cable
Reliable Performance
SAE J2570 Compliant

The Model 68C Accelerometer is a small, compact triaxial
device designed for vehicle impact and road testing. The
unit incorporates three replaceable sensing modules withmechanical overload stops that provide high shockprotection in rugged applications. The model 68C
accelerometer is compliant with SAE-J211 specifications
for anthropomorphic dummy instrumentation. The model
68CM1 has a cover installed for additional protection.

FEATURES
±100g to ±2000 g Ranges
2-10 Vdc Excitation
Temperature Compensation
Mechanical Overload Stops
Replaceable Sensors
Optional CoverWorldSID Approved

APPLICATIONSSENSOR SOLUTIONS /// Model 68C Rev C

Crash Testing
Impact Testing
Off-Road Testing
Road Testing
Dummy Instrumentation

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MODEL 68C ACCELEROMETERPERFORMANCE SPECIFICATIONS
All values are typical at ±24°C, 80Hz and 10Vdc excitation unless otherwise stated. Measurement Specialties reserves the right to update
and change these specifications without notice.

Parameters
DYNAMICRange(g)Sensitivity (mV/g) 1
Frequency Response, 3 Axis (Hz)Frequency Response, 1 & 2 Axis (Hz)Resonant Frequency (Hz)Damping Ratio
Shock Limit (g)Non-Linearity (% FSO)
Transverse Sensitivity (%)±100
2.00-1000
0-700
4000
0.5
5000
±1
<3ELECTRICAL
Zero Acceleration Output (mV)
Excitation Voltage (Vdc)
Input Resistance
Output Resistance (Ω)
Insulation Resistance (MΩ)
Residual Noise (µV RMS)
Ground Isolation<±50
2 to 102400-6000
2400-6000>100<10Isolated from Mounting Surface

ENVIRONMENTAL
Thermal Zero Shift (%FSO/°C)
Thermal Sensitivity Shift (%/°C)
Operating Temperature (°C)
Storage Temperature (°C)
Humidity±0.05-0.20 ±0.05-20 to +85-40 to +90
Epoxy Sealed, IP61 (M1 option)

PHYSICAL
Case MaterialCable
Weight (grams)
Mounting (Screw)
1
Output is ratiometric to excitation voltage

Notes
±500
0.45
0-20000-140011,0000.3
5000±1<3±2000
0.15
0-40000-300026,0000.05
5000±1<3±5%±5%
TypicalOf Reading@100Vdc

From 0 to +50°C
From 0 to +50°C

Stainless Steel
12x #30 AWG Conductors PFA Insulated, Braided Shield, PU Jacket
9.0
Cable not included
M2 x 0.4, 16mm Length, Supplied
Torque 3 lb-in

Calibration supplied:

CS-FREQ-0100

NIST Traceable Amplitude Calibration from 20Hz to 3500Hz

Supplied accessories:

AC-A02591

1x M2 x 0.4 (16mm length) Phillips Pan Head Screw & Washer

Optional accessories:

121
140A

3-Channel Precision Low Noise DC Amplifier
Auto-Zero Inline Amplifier

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 68C Rev C

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MODEL 68C ACCELEROMETER

Notes: ---SAE J2570 Corridor

Typical Frequency Response

40353025Sensitivity Deviation (%)

20151050-5-10-15-20-25-30-35-40100000

10000

1000100

10Frequency (Hz)ORDERING INFORMATIONPART NUMBERING

Model Number+Range+Cable Length+Options

68C-GGGG-CCC-ZZ
lll_____Options
ll_________Cable (360 is 360 inches)
l______________Range (0500 is 500 g)

Optional Dash Numbers-01
5Vdc Calibration-03
3.3Vdc Calibration

Example: 68C-2000-360 (68CM1 includes cover at no extra cost)
Model 68C, Standard Configuration: 2000g, 360” (30ft) cableASIA

NORTH AMERICAEUROPE

Measurement Specialties, Inc.,a TE Connectivity Company
Tel: 800-522-6752
Email: customercare.hmpt@te.com

MEAS France SAS
a TE Connectivity CompanyTel: 800-440-5100
Email: customercare.lcsb@te.com

Measurement Specialties (China), Ltd.,a TE Connectivity Company
Tel: 0400-820-6015
Email: customercare.shzn@te.com

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 68C Rev C

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