Series REC 139 L
Vishay Sfernice
Precision Linear Transducers, Conductive Plastic,
up to 3000 mm
FEATURES
•
Measurement range 25 mm to 3000 mm
•
High accuracy ± 1 % down to ± 0.025 %
•
Excellent repeatability
•
Essentially infinite resolution
•
Simple mounting
•
Actuation tolerant to some misalignment
•
Reduced bulk
The 139 L is a robust industrial linear motion transducer with
a side actuation, ideally suited for applications with very long
travels.
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
Theoretical Electrical Travel (TET) = E
Independent Linearity (over TET)
On Request
Actual Electrical Travel (AET)
Ohmic Value (R
T
)
Resistance Tolerance at 20 °C
Repeatability
Maximum Power Rating
Wiper Current
Load Resistance
Insulation Resistance
Dielectric Strength
From 25 mm to 3000 mm in increments of 25 mm
≤
± 1 %;
≤
± 0.1 %
≤
± 0.05 % for E
≥
100 mm
≤
± 0.025 % for E
≥
200 mm
AET = E + 1.5 mm min.
400
Ω/cm
to 2 kΩ/cm
± 20 %
≤
0.01 %
0.05 W/cm at 70 °C, 0 W at 125 °C
Recommended: a few µA - 1 mA max. (continuous)
Minimum 10
3
x R
T
≥
1000 MΩ, 500 V
DC
≥
1000 V
RMS
, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical Rravel (MT)
Housing
Operating Force
Coupling
Termination
Wiper
Sealed to
Mounting
See dimensions table 1
Anodized aluminum
2.5 N typical
Self alignment
Hydraulic type connector DIN 43650
Precious metal multifinger
IP53
Movable brackets
PERFORMANCE
Operating Life
Temperature Range
Sine Vibration on 3 Axes
Mechanical Shocks on 3 Axes
Speed (max.)
40 million cycles typical/1 Hz/T° = 20 °C ± 5 °C/80 % TET
- 55 °C to + 125 °C
1.5 mm peak to peak or 15 g - 10 Hz - 2000 Hz
50 g - 11 ms - half sine
8 m/s for f < 2 Hz; 3 m/s for f < 5 Hz
Document Number: 54015
Revision: 07-Sep-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
67
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www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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