14 LA, 16 LA
Vishay Sfernice
Document Number: 54018
Revision 20-Dec-01 www.vishay.com
43
Precision Linear Transducers,
Designed for Mounting in Hydraulic or Pneumatic Cylinder,
Conductive Plastic Element (REC)
Theoretical electrical travel (TET = E) from 25mm to 2000mm in increments of 25mm
Independent linearity over TET ≤± 1%; ≤± 0.1%
on request ≤± 0.05% if E ≥100mm
≤± 0.025% if E ≥200mm
Actual electrical travel (AET) TET + 6mm ± 0.5
Total resistance RT150Ω/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 1mA max. continuous, recommended: a few µA
Load impedance 1000 times RTminimum
I
nsulation resistance
> 1000MΩ500VDC
Dielectric strength > 300VRMS at 50Hz
Mechanical travel MT MT = TET
Body anodized aluminum
Rod internal diameter 14 LA: ø 16mm, 16 LA: ø 18mm
Support stainless steel
Operating force 1N typical
Sealing glass-sealing on electrical outputs
Electrical outputs connector
on request wires
Oil insulating mineral hydraulic
Pressure 300 bars continuous, 1000 bars accidentally
Wiper precious metal multifinger
FEATURES
• Large Range of Strokes from 25 to 2000mm
• High Accuracy
• Very Good Repeatability
• Continuous Resolution
• Easy Mounting
Those sensors are to be installed in the high pressure chamber of
cylinders and are equipped with glass-sealed electrical outputs
.
ELECTRICAL SPECIFICATIONS
Life 40 million of cycles
Temperature limits – 20°C to + 80°C
Speed at 20°C 1.5m/s max
PERFORMANCE
MECHANICAL SPECIFICATIONS
14 LA, 16 LA
Vishay Sfernice
Document Number: 54018
Revision 20-Dec-01
www.vishay.com
44
Precision Linear Transducers,
Designed for Mounting in Hydraulic or Pneumatic Cylinder,
Conductive Plastic Element (REC)
DIMENSIONS in millimeters, general tolerance ± 1mm
MOUNTING IN ACTUATOR
TET = Theoretical electrical travel
AET = Actual electrical travel
Pin 3 or Green wire: +
Pin 2 or red wire: Wiper
Pin 1 or Yellow wire: -
TET
AET
Ø B + 0.2
- 0
Ø C + 0.2
- 0.2
E+ 0.1
- 0
F+ 1
- 0
G+ 0.1
- 0.1
Ø D + 0.4
+0.1Ø D
53 AET = TET + 6
L = TET + 77
55 max
O.Ring
Connector
MT = TET
8.5
3
18 717
Ø 20
Ø 36 Ø 24
+ 0
- 0.2 + 0
- 0.05
Ø A + 0
- 0.2
+ 0.6
+ 0.1
L≤500
L > 500
MODEL ø A
14 LA 16
16 LA 18
BCDEFG
14 LA 23 22 16 1.1 15.3 13.8
16 LA 25.2 24 18 1.3 17.8 16.3
ELECTRICAL CONNECTIONS
14 LA, 16 LA
Vishay Sfernice
Document Number: 54018
Revision 20-Dec-01 www.vishay.com
45
SERIES
REC
MODEL
16
TYPE
LA
Sealed
THEORETICAL
ELECTRICAL TRAVEL
4
Times 25mm
LINEARITY
D
A: ≤±1%
D: ≤± 0.1%
E: ≤± 0.05%
F: ≤± 0.025%
RESISTANCE
152
First 2 digits are
significant numbers
Third indicates
number of zeros
MODIFICATIONS
W...
Special Feature
Code Number
ORDERING INFORMATION
...W04700 ...W04707
50
13
12 15 12
Ø 32
Ø 50 max
47 max
M 42 x 1.5
Ø 31.7
Ø 25
+ 0.02
- 0
23
2
O.Ring +
Back-up Ring
4
4
5
8
Ø 18.4
Ø 23 - 0.05
- 0.1
- 0.05
- 0.1
Ø 23
Ø 18
23
11
54
Ø 23 - 0.05
-0.1
Ø 23 -0.2
- 0.041 f7
Ø 18.9
Precision Linear Transducers,
Designed for Mounting in Hydraulic or Pneumatic Cylinder,
Conductive Plastic Element (REC)
DIMENSIONS millimeters, general tolerance ± 1mm
OTHER DESIGNS OF SUPPORT
Ø 23 - 0.007
- 0.02
...W04200
2.25
