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Products

Inductive Displacement Sensor WA-T

Special features

  • Displacement probe and trans ducer with detachable plunger
  • Good thermal stability in the event of temperature gradients
  • Space‐saving, compact design
  • Pressure‐resistant transducerfor measuring displacement inhydraulic cylinders
  • Acceleration resistance ensureslong service life
  • Option: high temperature 0 version up to 150C, low temperature version up to -40 C
  • Output signal of your choice:80 mV/V0.5-10 V

Type

WA2

WA10

WA20

WA50

WA100

WA200

WA300

WA500

Nominal displacement

mm

0...2

0...10

0...20

0...50

0...100

0...200

0...300

0...500

Nominal sensitivity

Nominal output signal at nominal displacement

with output unloaded

mV/V

80

Characteristic tolerance

Deviation of sensitivity from nominal sensitivity

Zero point tolerance

with core in zero position

Linearity deviation

Greatest deviation between start and end point

(including hysteresis by reference to nominal

sensitivity)

%

mV/V

%

1

1 8

::: 0.2 to ::: 0.1

Nominal temperature range Operating temperature range

Standard

Variant for high temperature

Variant for low temperature

Effect of temperature on zero signal in nominal temp. range per 10 K, by refer. to nominal sensitivity

Effect of temperature on output signal in nominal temp. range per 10 K, by refer. to actual value

C [F]

C [F]

C [F]

C [F]

%

%

-20...+80

-25...+80 [-13...+176]

-25...+150 [-13...+302]

-40...+125 [-40...+257]

< 0.1

< 0.1

Input resistance

Output resistance

Ω

Ω

100

10 %

570

10 %

35010 %

68010 %

Nominal excitation voltage

Operating range of the excitation voltage

Carrier frequency,

Nominal range

Operating range

V rms

V rms

kHz kHz

2.5

0.5...10

4.81 %

4.88 %

Weight

of transducer body

of plunger

g g

54

4

56

6

57

7

68

9

104

13

147

20

190

28

276

42

Impact resistance, test severity level to DIN IEC 68, Part 2‐27; IEC 68‐2‐27‐1987

Number of impacts (per direction)

Impact acceleration Impact duration

Impact form

-

m/s2 ms

-

1000

650

3

Half sine wave

Vibration resistance, test severity level to DIN IEC 68, Part 2‐6, IEC 68‐2‐6‐1982

Frequency range

Vibration acceleration

Stress duration (per direction)

Hz m/s2 h

5 to 65

150

0.5

Max. permissible plunger acceleration

m/s2

2500

m/s2

Probe version

Unfixed plunger version

Service life, typically

10 million stress cycles

-

Spring constant

N/mm

0.116

0.063

-

Spring force in zero position (for 1mm initial stroke) approx.

N

2.4

2

-

Spring force in final position (nom. displ.) apprx.

N

2.7

3.6

4.7

8.2

8.3

-

Max. permissible probe tip acceleration

m/s2

170

140

95

45

-

Probe tip cut‐off frequency for 1 mm stroke appr.

Hz

60

55

45

30

-

Probe tip cut‐off frequency at nominal displacement

Hz

18

10

5

3

-

Degree of protection acc. to EN 60 529

for transducer duct and core channel

-

IP67 (depending on connection piece)

Max. permissible pressure (increasing load)

Overload limit (to VDI/VDE 2600, Sheet 4)

Destructive range (to VDI/VDE 2600, Sheet 4)

bar

bar bar

350

450

> 500

Specifications

Type

WA2

WA10

WA20

WA50

WA100

WA200

WA300

WA500

Nominal displacement

mm

0...2

0...10

0...20

0...50

0...100

0...200

0...300

0...500

Nominal output span1)

V

9.5 (0.5...10)

Output span tolerance1) Linearity deviation1)

Greatest deviation between start and end point

(including hysteresis by reference to nominal

sensitivity)

%

%

0.5

0.2

Nominal temperature range Operating temperature range

Effect of temperature1) on zero signal in nominal temperature range per 10 K, by reference to nominal sensitivity

Effect of temperature1) on output signal in nominal temperature range per 10 K, by reference to actual value

C

C

%

%

-20...+60

-20...+70

::: 0.15; typically <0.10

::: 0.15; typically <0.10

Supply voltage

Dependence of the nominal (rated) output range from the supply voltage, typically

(in the supply voltage range)

V

%

15...30

0.03

Burden in the output Current consumption Power consumption max.

mA

W

�10

45 (typically 26)

1.5

Cut‐off frequency

Hz

520 filter 4th order, Butterworth

Cable length between the transducer and the electronics

m

3...20

Cable length between the electronics and the evaluator

m

3...50

1) specified for the complete measuring chain

Inductive Displacement Sensor WA-T - datasheet PDF, 0.12 Kb