Series REC 50 L
www.vishay.com
Vishay Sfernice
Precision Linear Transducers, Conductive Plastic,
up to 300 mm
FEATURES
• Measurement range 25 mm to 300 mm
• High accuracy 1 % down to 0.025 %
• Essentially infinite resolution
The 50 L is a compact, accurate and adaptable motion
transducer for both industrial and military markets.
• Long life
• Sealed on request
QUICK REFERENCE DATA
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Sensor type
LINEAR, conductive plastic
Output type
Wires
Market appliance
Dimensions
Professional
L x 12.7 mm dia. (with L = TET + 41 mm)
ELECTRICAL SPECIFICATIONS
Theoretical electrical travel (TET = E)
in increments of 25 mm
25 mm
300 mm
1 % - 0.1 %
Independent linearity (over TET)
on request
0.05 % for E 100 mm
0.025 % for E 200 mm
Actual electrical travel (AET)
Ohmic values (RT)
AET = E + 1 mm 0.5 mm
400 /cm to 2 k/cm
20 %
Resistance tolerance at 20 °C
Repeatability
0.01 %
Maximum power rating
Wiper current
0.05 W/cm at 70 °C, 0 W at 125 °C
Recommended: a few μA - 1 mA max. (continuous)
Minimum 103 x RT
Load resistance
Number of tracks
1; on request 2
Insulation resistance
Dielectric strength
1000 M, 500 VDC
500 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
IP65 on request
Sealing
PERFORMANCE
Operating life
25 million cycles typical/1 Hz/T° = 20 °C 5 °C/ꢀ0 % TET
- 55 °C to + 125 °C
Temperature range
Sine vibration on 3 axes
Mechanical shocks on 3 axes
1.5 mm peak to peak or 15 g - 10 Hz - 2000 Hz
50 g -11 ms - half sine
Revision: 17-Sep-12
Document Number: 54011
1
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