Series REC 38 L
www.vishay.com
Vishay Sfernice
Precision Linear Transducers, Conductive Plastic,
up to 150 mm
FEATURES
• Measurement range 12.5 mm to 150 mm
• High accuracy 1 % down to 0.1 %
• Long life
RoHS
COMPLIANT
• Essentially infinite resolution
• Very small dimension: external diameter = 9.52 mm
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type
LINEAR, conductive plastic
The 38 L is a very compact model especially designed for
precise measurement of short travels.
Output type
Wires
Market appliance
Dimensions
Professional
9.52 mm dia.
ELECTRICAL SPECIFICATIONS
Theoretical electrical travel (TET)
Actual electrical travel (AET)
From 12.5 mm to 150 mm see table 1
AET = TET + 1 mm
1 % - 0.5 %
Independent linearity (over TET)
0.25 % for E 25 mm
0.1 % for E 50 mm
Repeatability
0.01 %
Ohmic values (RT)
Resistance tolerance at 20 °C
Wiper current
From 400 /cm to 4 k/cm
20 %
Recommended: a few μA - 1 mA max. (continuous)
Minimum 103 x RT
Load resistance
Insulation resistance
Dielectric strength
1000 M, 500 VDC
500 VRMS, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical travel (MT)
Housing
MT = TET + 3 mm 1 mm
Anodized aluminum
0.35 N typical
Operating force
3 wires PTFE AWG 26
length: 300 mm
Termination
Wiper
Precious metal multifinger
PERFORMANCE
Operating life
25 million cycles typical/1 Hz/T° = 20 °C 5 °C/80 % 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
Note
Nothing stated herein shall be construed as a guarantee of quality or durability.
•
Revision: 08-Sep-16
Document Number: 54010
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