EL20-S458
Seat belt load cell

SPECIFICATIONSFEATURESSuper low mass titanium design
Ultra low mass slotted titanium axles available
Low noise
Optional linearized high level output

APPLICATIONSAutomotive crash test
Military payload delivery
Sport and military parachute tether loads
Automatic reserve chute deployment systems

SENSOR SOLUTIONS /// EL20-S458_en_RevA

Ranges from 5 to 25 kN
Ultra rugged low-mass titanium design
Seat belt restraint testingTension only
Replaceable cable

Measurement Specialties has applied our decadeof experience serving the automotive crash test industry todesign the ultimate crash test seat belt restraint sensor.
The EL20-S458 provides a super low masstitanium structure to minimize F=MA errors during thecrash event. All exterior surfaces are smoothed to prevent
snagging on dummy or air bag materials; smoothed
exterior profiles protect your expensive crash test dummy
from damage while reducing drag and frictional error. The
EL20-S458 is offered with optional ultra low mass slottedtitanium axles and robust armoured cable exit from thedevice. The user-replaceable cable ensures that even if
your cabling is damaged, replacement cables can be
rapidly wired and your test facility remains in full operation
at all times.
The low noise Wheatstone bridge consists of metal foil
strain gages which provide full scale outputs of typically 2
mV/V of excitation. The EL20-S458 is also available withinternal linearization (Option B) to provide +/- 0.5% FS
maximum non-linearity. Option D provides linearizationand high level output of 0.5 to 4.5 V. The EL20-S458 canbe configured with a variety of options to fine tune theinstrument to your application: select from several
standard compensated temperature ranges, slotted orknurled axles, input voltages, lead lengths or specify
unique combinations of these options.
The EL20-S458 belt tension load cell can be fine-tuned
to meet your crash test or military test needs.

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Seat belt load cell

STANDARD RANGES
Ranges in kN

5

1625

Ranges in klbf

13.25

Over range

2xx1.5

X1.5

PERFORMANCE SPECIFICATIONS
All values are typical at temperature 20±1º C
PARAMETERS-40 to 120° C [-4 to 176° F]
Operating Temperature Range (OTR)
Compensated Temperature Range (CTR)

0 to 60º C [32 to 140° F]

Zero Shift in CTR<1% F.S. /50º C [100° F]

Sensitivity Shift in CTR<1% of reading / 50º C [100° F]

Range (F.S.)

0-5 to 0-25 kN [0-1 to 0-5 klbf]

Weight85 gr

Over-Range
Without Damage

1.5 x F.S. (2x for the model 5 kN range)

Without Destruction

3 x F.S.

Accuracy

±3% F.S.

Non-linearity without optionNon-linearity with option B or D

±0.5% F.S.

Electrical Characteristics
Model

EL20-S458

EL20-S458-x-/B

EL20-S458-x-/D

Supply Voltage

10Vdc

10Vdc

10Vdc

F.S. Output (5kN model)

1.5mV/V

1.5mV/V4V ±5% F.S.

F.S. Output (>5kN model )

2mV/V

2mV/V

4V ±5% F.S.

Zero Offset±2% F.S.

±2% F.S.

0.5V ±5% F.S.

Input Impedance/Consumption

350 Ω

<30mA

<30mA

Output Impedance

350 Ω

350 Ω

<1KΩ

Insulation under 50Vdc≥100MΩ≥100MΩ≥100MΩ

Notes
1. Electrical Termination: 3m shielded cable length
2. Material: titanium.
3. Protection Index: IP50
4. CE conformance according to EN 61010-1, EN 50081-1, EN 50082-1

SENSOR SOLUTIONS /// EL20-S458_en_RevA

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Seat belt load cell

DIMENSIONSINSTALLATIONSENSOR SOLUTIONS /// EL20-S458_en_RevA

CONNECTIONS

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Seat belt load cell

OPTIONS AND ACCESSORIES
A1: Flush, low mass titanium axle
A2: Hand grip, knurled titanium axle (standard).
B: Linearized (unamplified) output (NL : ±0.5% FS).
D: Linearized (NL: ±0.5% FS) high level output 0.5 to 4.5 V ±5% span trim.
Z0: Compensated temperature range -40 to 20°C
Z1: Compensated temperature range -20 to 40°C
V0: Replace “0” with excitation between 2 to 9Vdc; Excitation 5Vdc minimum for option /B or /D
L00M: Special Cable Length, replace “00” with total length in meter
CL7x: Wiring of Lemo FGG-1B-307 at cable end
CD7x: Wiring of Lemo FDG-1B-307 and Dallas DS2401 at cable end
CC: Wiring of connector to be supplied by customer according to wiring diagram
SL1: Sleeve adapter for 38/42 mm (1.5 /1.65 ) strap width.
SL2: Sleeve adapter for 28/32 mm (1.1 /1.26 ) strap width.
SL3: Sleeve adapter for 24/28 mm (0.95 /1.1 ) strap width.

ORDERING INFORMATION

EL20-S458 - 16KN

- /A1/B/V5/L6M
Options (B; Z0; V0; L00M...)
Axle model (A1 or A2)
Range in KN or KL
Model

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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 StandardTerms 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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All Rights Reserved.

SENSOR SOLUTIONS /// EL20-S458_en_RevA

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