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Rotating torque meter – Serie CR5


  • High precision measurement of torques for dynamic measures up to 1000 Nm.
  • High precision.
  • High speed.
  • Built-in speed measurement.
  • Torque measurements on drive motor.
  • Versatility.


The 4502A series torque transducer consists of a test body equipped with strain gauges and mounted in a free rotating housing with integrated connectors. A rotating collector ensures the transmission of the signal between the test body and the housing.
  • Different geometries (type H, Q, R, RAU)
  • Angle measurement (option A)
  • Accuracy 0.2% EM
  • Measurement ranges ±0.5 to ±1000Nm


Measuring ranges (Nm)±0,5 …1000 N m
Rated torque Mnom0,5 …1000 N m
Overload capacity - Service torque1.5 x Mnom
Overload capacity - Limiting torque1.5 x Mnom
Rotational angle/-speed measurement2x360 Impulsion/rev olut.
(Version QA, HA, RA, RAU)TTL déphasés à 90°
Nominal speed ≤18 N m12 000
Nominal speed 20…160 N m9 000
Nominal speed 250… 1000 N m7 000
Version QA, HA, RA, RAU (rotational angle measurement)7 000 tr/min
Housing materialAnodized aluminium
Protection classIP40
Cut-off fréquency -3 dB3 kHz
Accuracy class3 kHz
Linearity error including hysteresis<±0,2 % FSO
Output signal±0…5 VDC
Output signal At rated torque (rated value)5 VDC
Load resistance>10 kΩ
Temp. influence on the zero point<±0.015 % FSO/°C
Temp. Influence on the nominal value<±0.015 % FSO/°C
Control signa100±0,2 %
100% control input‘on’ 5…30 ‘ VDC and off’ 0…2 VDC
Operating temperature range+10 to +60 °C
Operating temperature range+10 to +60 °C
Storage temperature range-25 to +80 °C
Electrical connection12 pin Built-in connector
Supply voltage11…26 VDC
Power consuption<1 W