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Hottinger Baldwin Messtechnik GmbH, Germany
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Products

Torque Transducer T40FM

Special features

  • Nomin al (rated) torque: 1 5 kN m, 20 kN m, 25 kN m, 3 0 kN m, 40 kN m, 50 kN m, 60 kN m, 70 kN m and 80 kN m
  • Nominal (rated) rotational speed up to 8000 rpm (dependent on the measuring range)
  • Compact design
  • High permissible lateral forces
  • High radial and torsional stiffness
  • Without bearings or slip rings
  • Digital transmission of measured values
  • Large measurement frequency range up to 6 kHz (−3 dB)
  • Optional: rotational speed measuring system, reference signal

Type

T40FM

Accuracy class

0.1

Torque measuring system, frequency output

Nominal (rated) torque Mnom

kN⋅m

15

20

25

30

40

50

60

70

80

Nominal (rated) rotational speed

optional

rpm rpm

6000

8000

4000

6000

3000

4500

Non-linearity including hysteresis, related to nominal (rated) sensitivity

For a max. torque in the range: between 0% of Mnom and 20% of Mnom

> 20% of Mnom and 60% of Mnom

> 60% of Mnom and 100% of Mnom

%

%

%

<±0.03 (optional <±0.015)

<±0.065 (optional <±0.035)

<±0.1 (optional <±0.05)

Relative standard deviation of reproducibility (variability),

per DIN 1319, related to the variation of the output signal

%

<±0.05

Temperature effect per 10 K in the 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

<±0.05

Nominal (rated) sensitivity (span between torque = zero and nominal (rated) torque)

Option SU2 Option DU2

Option HU2

Sensitivity tolerance (deviation of the actual output frequency at Mnom from the nominal (rated) sensitivity)

kHz kHz kHz

%

5

30

120

±0.2

Load resistance

>2

Output signal at zero torque

Option SU2 Option DU2 Option HU2

kHz kHz kHz

10

60

240

Nominal (rated) output signal

(RS422, 5 V symmetrical)

with positive nominal (rated) torque, Option SU2 with positive nominal (rated) torque, Option DU2

with positive nominal (rated) torque, Option HU2

with negative nominal (rated) torque, Option SU2 with negative nominal (rated) torque, Option DU2

with negative nominal (rated) torque, Option HU2

kHz kHz kHz kHz kHz kHz

15

90

360

5

30

120

Load resistance 1)

�2

Long-term drift over 48 h at reference temperature, related to nominal (rated) sensitivity

Measurement frequency range (−3 dB) Option SU2

Option DU2 Option HU2

Group delay Option SU2 Option DU2 Option HU2

%

kHz kHz kHz

μs μs μs

�0.03 1

3

6

<400

<220

<150

Maximum modulation range 2)

Option SU2 Option DU2 Option HU2

kHz kHz kHz

2.5 to17.5

15 to 105

60 to 420

See also

Torque interface module TIM 40

Torque interface module TIM 40

  • Connection of T40 torque flange
  • Mounting on support rail per DIN EN 60715
  • Scaling, filtering and zeroing of the torque signal
  • Wide measurement frequency range up to 10 kHz (−3 dB)
  • "10 V and (12"8) mA output signals
  • Ethernet interface with 38125 measured values per second
  • Various Anybus) modules available as accessories

Read more

Torque interface module TIM-EC

Torque interface module TIM-EC

  • Real‐time EtherCAT interface module
  • Output of torque, speed, angle of rotation and performance
  • Very high dynamics (up to 20 kHz)
  • Input resolution up to ±25 Bit
  • Low latency time
  • Diagnostic functions
  • Integrated web server
  • Flexible deployment
  • Modular design, expandable

Read more