Type

T20WN

Accuracy class

0.2

Torque measuring system

Nominal (rated) torque Mnom

N⋅m

0.1

0.2

0.5

1

2

5

10

20

50

100

200

Nominal (rated) sensitivity (nominal (rated) signal range between torque = zero and nominal (rated) torque)

Sensitivity tolerance (deviation of actual output quantity at Mnom from nominal (rated) signal range)

V

%

10

±0.2

Output signal at torque = zero

V

0±0.2

Nominal (rated) output signal

at positive nominal (rated) torque

at negative nominal (rated) torque

Load resistance Long‐term drift over 48 h Cut‐off frequency (‐3 dB) Residual ripple

Group delay

V V MΩ

mV

Hz mVPP

ms

+10

‐10

> 1

<±50

200

< 80

< 1.0

Temperature effect per 10 K in nominal (rated) temperature range

on the output signal, related to the actual value of the signal span

on the zero signal, related to the nominal (rated) sensitivity

%

%

±0.1

±0.2

Power supply

Nominal (rated) supply voltage (separated

extra‐low voltage (SELV))

Calibration signal triggering

Current consumption in measuring mode Nominal (rated) power consumption

Max. ripple on supply voltage

V (DC) V

A W

mVpp

12 (10.8 - 13.2)

5 - 13.2

< 0.2

< 2.4

200

Non‐linearity including hysteresis, re­ lated to nominal (rated) sensitivity

%

<±0.1

Relative standard deviation of the re­ peatability per DIN 1319, related to the variation of the output signal

%

<±0.05

Calibration signal

V

+10±0.2%

Measurement system for rotational speed/angle of rotation

Measurement system Pulses per revolution Output signal

Minimum rotational speed for sufficient pulse stability

Load resistance Group delay

Max. measurable rotational speed

Number V

min‐1 kΩ μs

min‐1

optical

360

5 (asymmetrical); two square wave signals approx. 90° phase shifted

0

>10

< 3

for 1.5 m cable between T20WN and junction box VK20A

(without VK20A, the group delay is dependent on the connected impedance / cable &

evaluating device)

3000

General data

EMC

Immunity from interference (DIN EN50082‐2)

Electromagnetic field Housing

Leads Magnetic field

Burst ESD

V/m VPP

A/m

kV kV

10

10

100

2/1

4/8