140 L
Vishay Sfernice
Document Number: 54014
Revision 14-Dec-01 www.vishay.com
35
Theoretical electrical travel (TET) from 25mm to 1000mm in increments of 25mm
on request up to 2000mm (vertical working position)
Independent linearity (over TET) ≤± 1% - ≤± 0.1% from 25mm to 1000mm
on request ≤± 0.05 % from 100mm to 1000mm
≤± 0.025% from 200mm to 1000mm
Actual electrical travel (AET) see table 1
Ohmic values 400Ω/cm to 2kΩ/cm ± 20%
Repeatability ≤0.01%
Maximum power rating 0.05W/cm at 70°C
0W at 125°C
Wiper current recommended: a few µA - 1 mA max. continuous
Load resistance minimum 103 x RT
Number of tracks 1, standard; 2, on request
Insulation resistance at 20°C
≥1000MΩ500VDC
Dielectric strength at 20°C 1000VRMS 50Hz
FEATURES
• Measurement Range 25 mm to 1000 mm
• High Accuracy ± 1 % down to ± 0.025 %
• Excellent Repeatability
• Long Life
• Essentially Infinite Resolution
• Not Sensitive to Temperature Variations
Precision Linear Transducers, Conductive Plastic (REC)
ELECTRICAL SPECIFICATIONS
Operating life 40 million cycles
typical
Temperature range – 55°C + 125°C
Sine vibration on 3 axes 1.5mm peak to peak 0 -10Hz
15g - 10Hz - 2000Hz
Mechanical shocks on 3 axes
50g - 11ms - half sine
Mechanical travel (MT) see table 1
Housing anodized aluminum
Operating force 50N typical
Shaft (free rotation) stainless steel
Termination Binder connector Series 713
Wiper precious metal multifinger
Sealed to IP65 (on request)
Mounting double ball joint ø 10
MECHANICAL SPECIFICATIONS
PERFORMANCE
The 140 L is a robust, high precision industrial linear motion
transducer with double ball joints, the 140 L is designed for
simple, self-aligned mounting.
140 L
Vishay Sfernice
Document Number: 54014
Revision 14-Dec-01
www.vishay.com
36
SERIES
REC MODEL
140 NUMBER
OF TRACKS
L
L= 1
LL = 2
THEORETICAL
ELECTRICAL TRAVEL
23
LINEARITY
D
OHMIC VALUE
103 MODIFICATIONS
W...
ORDERING INFORMATION
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
SIZE
L1 to L9
L10 to L16
L17 to L19
L20 to L29
L30
L31 to L39
L40
TET = E
25 to 225
250 to 400
425 to 475
500 to 725
750
775 to 975
1000
AET
E + 2 ± 0.5
E + 3 ± 1.5
E + 3 ± 1.5
E + 4 ± 1.5
E + 5 ± 1.5
E + 5 ± 1.5
E + 6 ± 1.5
MT
E + 4 ± 1
E + 6 ± 2
E + 6 ± 2
E + 8 ± 2
E +10±2
E +10±2
E + 12 ± 2
A
E + 129
E + 129
E + 159
E + 159
E + 159
E + 194
E + 194
L
E + 234
E + 234
E + 264
E + 264
E + 264
E + 299
E + 299
DIMENSIONS in millimeters, general tolerance ±1mm
ELECTRICAL CONNECTIONS
TET = Theoretical electrical travel
AET = Actual electrical travel
MT = Mechanical travel
VIEW A
Table 1
Precision Linear Transducers, Conductive Plastic (REC)
62 ± 5 A±2
L (adjustable) over ± 5
2 ball joints
(Angular clearance ± 12°)
Ø 10 + 0.018
- 0 27.5 43
A
Ø 26
Ø 19.7
56 max.
14
Ø 38
Pin 3: +
Pin 4: Wiper
Pin 1: -
TET
AET
MT
