DRFS: ETH-messtechnik gmbh

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Torque sensor "DRFS ¼"

hexagonal drive

7 Measurement range from ± 0 - 1 Nm up to ± 0 - 20 Nm

optionally with angle measurement

 

Features

  • No service needed because of contactless data acquisition
  • High accuracy due to frequency modulation and strain gage technology
  • Single power supply
  • High noise immunity due to amplified active signal
  • integrated sensor-detection chip for use with GMV2 analyzer

suitable for

  • automotive industry
  • test benches
  • assembly applications
  • pulsed tools

Measurement range /models

DRFS ¼"
1 | 2 | 5 |10 | 12 | 15 | 20

Step-File
STEP DRFS

DRFS-I-w (Angle measurement)
0,5 | 1 | 2 | 5 | 10 | 20

Step-File
STEP DRFS-I-w
 

Technical specifications

Measurement range  (0 - ... Nm)  | 1 | 2 | 5 | 10 | 12 | 15 | 20 |
Supply voltage12 V DC ± 10 %
Power consumptionapprox. 200 mA
Rise time 10 - 90 %1 ms (1 kHz)
Voltage output0 - ± 5 V
Internal resistance100 Ω
Ripple< 100 mVss
Nonlinearity< 0,15 %
Hysteresis< 0,1 %
Deviation at zero point≤± 100 mV
Operating temperature0 - 60 °C
Compensated temperature range5 - 45 °C
Temperature error
     zero point
     sensitivity

0,02 % / K
0,01 % / K
Mechanical overload
 
1 Nm - 12 Nm 100 %;
15 Nm 70 %;
20 Nm 30 %
rev. max.10 000 min ̄ ¹
Weight0,3 kg
Connection12pin-connector

Angle (DRFS-I-w)

max rev.3000 min-1
OutputOpen-Collector
Internal pull up10 kΩ (5 V Pegel)
External pull up24 V max.
Imax20 mA
Pulses / rev.360
Resolution
Detection of direction of rotation
 
2 pulses 90° phase shift
Channel A leading for clockwise rotation of drive end

Accessories

Analyzers

Measure cable