Series REC 34 L
www.vishay.com Vishay Sfernice
Revision: 26-Mar-15 1Document Number: 54019
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Precision Linear Transducers, Conductive Plastic,
up to 450 mm
The 34 L is a compact, accurate and adaptable motion
transducer for both industrial and military markets.
FEATURES
• Measurement range 25 mm to 450 mm
• High accuracy ± 1 % down to ± 0.025 %
• Essentially infinite resolution
• Long life
• Sealed on request
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Note
• Nothing stated herein shall be construed as a guarantee of quality or durability.
QUICK REFERENCE DATA
Sensor type LINEAR, conductive plastic
Output type Wires
Market appliance Professional
Dimensions L x 19 mm dia. (with L = TET + 63 mm)
ELECTRICAL SPECIFICATIONS
Theoretical electrical travel (TET = E)
in increments of 25 mm
25 mm
450 mm
Independent linearity (over TET)
On request
± 1 % - ± 0.1 %
± 0.05 % for E 100 mm
± 0.025 % for E 200 mm
Actual electrical travel (AET) See table 1
Ohmic values (RT) From 400 /cm to 2 k/cm
Resistance tolerance at 20 °C ± 20 %
Repeatability 0.01 %
Maximum power rating 0.05 W/cm at 70 °C, 0 W at 125 °C
Wiper current Recommended: a few μA - 1 mA max. (continuous)
Load resistance Minimum 103 x RT
Number of tracks 1; on request 2
Insulation resistance 1000 M, 500 VDC
Dielectric strength 750 VRMS, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical travel TET + 2 mm min.
Housing Anodized aluminum
Operating force
On Request
0.35 N typical
(standard model)
2.50 N typical
(sealed model)
Shaft (free rotation) Stainless steel
Termination
On request
3 wires PTFE AWG-30 L = 300 mm
cable or connector
Wiper Precious metal multifinger
Sealing IP65 on request
PERFORMANCE
Operating life 25 million cycles typical/1 Hz/T° = 20 °C ± 5 °C/80 % TET
Temperature range -55 °C to +125 °C
Sine vibration on 3 axes 1.5 mm peak to peak or 15 g - 10 Hz - 2000 Hz
Mechanical shocks on 3 axes 50 g - 11 ms - half sine
Series REC 34 L
www.vishay.com Vishay Sfernice
Revision: 26-Mar-15 2Document Number: 54019
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
STANDARD MODEL DIMENSIONS in millimeters, general tolerance ± 1 mm
ELECTRICAL CONNECTIONS
TET = E AET TOL.
25 mm to 275 mm E + 1 mm ± 0.5 mm
300 mm to 450 mm E + 1 mm ± 0.8 mm
ACCESSORIES ON REQUEST - DIMENSIONS in millimeters, general tolerance ± 3 mm
Clamp for 34L
Vishay Reference: CQ00051
L = E + 63
Z = 12 Z = 12
0.50.5
25.4 ± 1
Ø 19.05 ± 0.25
34 L
Ø 5 - 0
- 0.025
Z = TIGHTENING ZONE
TET = THEORETICAL ELECTRICAL TRAVEL
AET = ACTUAL ELECTRICAL TRAVEL
MT = MECHANICAL TRAVEL
TERMINALS CABLE
3 ALIM. (+): GREEN BLUE
2 WIPER: RED RED
1 ALIM. (-): YELLOW WHITE
TET = E
AET
MT
WIRE
Ø 9
Ø 4.5
5.5
11 ± 0.3
34
15
6.1
13
26
Series REC 34 L
www.vishay.com Vishay Sfernice
Revision: 26-Mar-15 3Document Number: 54019
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
OPTIONS - DIMENSIONS in millimeters, general tolerance ± 1 mm
OPTION 1: SEALED (IP65): W03280
MODEL CODE L
34 L W03280 TET + 83.5
OPTION 2: DELIVERED WITH CLAMPS AND BINDER CONNECTOR 680: W05013
OPTION 3: SPRING LOADED SHAFT; OUTPUT BY SHIELDED CABLE: W01744
MODEL CODE A L
34 L1 W01744 61.4
TET + 119.5
34 L2 W01744 93.6
34 L3 W01744 125.8
34 L4 W01744 158
OPTION 4: DOUBLE BALL JOINT: W03263
MODEL CODE B L Ø V W X Y TET
34 L W03263 L1 to L5 TET + 151.6 TET + 82.8 5 8 18 42 ± 2 25 to 125
L6 to L10 TET + 173.6 TET + 104.8 5 8 18 42 ± 2 150 to 250
L11 to L12 TET + 230 TET + 161.2 5 8 18 42 ± 2 275 to 300
ORDERING INFORMATION/DESCRIPTION
REC 34 L 3 D 103 W... e.
SERIES MODEL NUMBER
OF TRACKS
THEORETICAL
ELECTRICAL
TRAVEL
LINEARITY OHMIC VALUE MODIFICATIONS LEAD FINISH
L = 1 track
LL = 2 tracks
Times 25 mm A: ± 1 %
D: ± 0.1 %
E: ± 0.05 %
F: ± 0.025 %
First 2 digits are
significant numbers
3rd digit indicates
number of zeros
Special feature
code number
SAP PART NUMBERING GUIDELINES
RE 34 L 3 D 103 W....
SERIES MODEL TET LINEARITY OHMIC VALUE SPECIAL FEATURES
L 13 MAX.
Ø 13 MAX.
X = TET + 70
34.5
2
11.4
23
Ø 6.35 x 0.9
1/4-28 NEF-2A
11.1 ON FLATS
6.35 ON FLATS
AJUSTABLE FIXING
MAX. CLEARANCE A
Ø 19.05
10
34.4
Ø 3.9
44.8
LA 13 MAX.
Ø 13 MAX.
B
LY
Ø V
W
X
15
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 08-Feb-17 1Document Number: 91000
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.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
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.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
