Series REC 38 L
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
•
Essentially infinite resolution
•
Very small dimension: External diameter = 9.52 mm
RoHS
COMPLIANT
The 38 L is a very compact model especially designed for
precise measurement of short travels.
ELECTRICAL SPECIFICATIONS
Theoretical Electrical Travel (TET)
Actual Electrical Rravel (AET)
Independent Linearity (over TET)
Repeatability
Ohmic Values (R
T
)
Resistance Tolerance at 20 °C
Wiper Current
Load Resistance
Insulation Cesistance
Dielectric Strength
From 12.5 mm to 150 mm see table 1
AET = TET + 1 mm
≤
± 1 % -
≤
± 0.5 %
≤
± 0.25 % for E
≥
25 mm
≤
± 0.1 % for E
≥
50 mm
≤
0.01 %
From 400
Ω/cm
to 2 kΩ/cm
± 20 %
Recommended: a few µA - 1 mA max. (continuous)
Minimum 10
3
x R
T
≥
1000 MΩ, 500 V
DC
≥
500 V
RMS
, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical Travel (MT)
Housing
Operating Force
Termination
Wiper
MT = TET + 3 ± 1 mm
Anodized aluminum
0.35 N typical
3 wires PTFE AWG 28
length: 300 mm
Precious metal multifinger
PERFORMANCE
Operating Life
Temperature Range
Sine Vibration on 3 Axes
Mechanical Shocks on 3 Axes
25 million cycles typical/1 Hz/T° = 20 °C ± 5 °C/80 % TET
- 55 °C to + 125 °C
1.5 mm peak to peak or 15 g - 10 Hz - 2000 Hz
50 g -11 ms - half sine
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74
For technical questions, contact: sfer@vishay.com
Document Number: 54010
Revision: 01-Feb-08
Series REC 38 L
Precision Linear Transducers, Conductive Plastic,
up to 150 mm
DIMENSIONS
in millimeters, general tolerance ± 1 mm
3 WIRES AWG 28Lg: 300 mm
THERMOFIT SLEEVE
12.7
A
Vishay Sfernice
- 40 UNC - 2A
10 MIN.
Ø 9.52 ± 0.25
1
/
8
10 ± 2: CLAMPING AREA
10 ± 2: CLAMPING AREA
TABLE 1
SIZE
38 L0.5
38 L01
38 L02
38 L03
38 L04
38 L05
38 L06
TET
12.5
25
50
75
100
125
150
MT
15.5
28
53
78
103
128
153
A
43.5
56
81
106
131
156
181
ELECTRICAL CONNECTIONS
GREEN
RED
YELLOW
TET
AET
MT
TET = THEORETICAL ELECTRICAL TRAVEL
AET = ACTUAL ELECTRICAL TRAVEL
MT = MECHANICAL TRAVEL
ORDERING INFORMATION/DESCRIPTION
REC
SERIES
38
MODEL
L
NUMBER
OF TRACKS
L = 1 track
0.5
ELECTRICAL
TRAVEL
0.5 = 12.5 mm
1 = 25 mm
2 = 50 mm
3 = 75 mm
4 = 100 mm
5 = 125 mm
6 = 150 mm
C
LINEARITY
A: ± 1 %
B: ± 0.5 %
C: ± 0.25 %
D: ± 0.1 %
102
OHMIC VALUE
First 2 digits are
significant
numbers 3rd digit
indicates number
of zeros
W...
MODIFICATIONS
Special feature code
number
e1
LEAD FINISH
Sn Ag Cu
SAP PART NUMBERING GUIDELINES
RE
SERIES
38 L
MODEL
0.5
TET
C
LINEARITY
102
OHMIC VALUE
W....
SPECIAL FEATURES
Document Number: 54010
Revision: 01-Feb-08
For technical questions, contact: sfer@vishay.com
www.vishay.com
75
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Vishay
Disclaimer
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product with the properties described in the product specification is suitable for use in a particular application. Parameters
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operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
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damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
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Document Number: 91000
Revision: 11-Mar-11
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