Series REC 139 L

www.vishay.com

Vishay Sfernice

Revision: 26-Mar-15

1

Document Number: 54015

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 3000 mm

The 139 L is a robust industrial linear motion transducer with

a side actuation, ideally suited for applications with very

long travels.

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

• 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

Connector

Market appliance

Industrial

Dimensions

L x 36 mm x 61 mm (with L = TET + 169 mm max.)

ELECTRICAL SPECIFICATIONS

Theoretical electrical travel (TET) = E

From 25 mm to 3000 mm in increments of 25 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)

AET = E + 1.5 mm min.

Ohmic value (RT)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

Insulation resistance

 1000 M, 500 V

DC

Dielectric strength

 1000 V

RMS, 50 Hz

MECHANICAL SPECIFICATIONS

Mechanical travel (MT)

See dimensions table 1

Housing

Anodized aluminum

Operating force

2.5 N typical

Coupling

Self alignment

Termination

Hydraulic type connector DIN 43650

Wiper

Precious metal multifinger

Sealed to

IP53

Mounting

Movable brackets

PERFORMANCE

Operating life

40 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

Speed (max.)

8 m/s for f < 2 Hz; 3 m/s for f < 5 Hz