DRVL: ETH-messtechnik gmbh

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Torque sensor "DRVL"

27 torque ranges from ± 0 - 0,02 Nm up to 20.000 Nm

  • Large input voltage range (10 - 28,8 V). 
  • Frequency output 10 kHz ± 5 kHz (RS422). 
  • Large speed range for speed- and angle measurements.
  • Adjustable output level for speed- and angle signal (5 - 24 V). 
  • Better electromagnetic compatibility (EMC). 
  • Optional 0,05% linearity error. 

Easy assembly attachment with "F" / base option

Accessories mounting adapter for easy attachment

Description

Series DRVL torque transducers are suitable for lab and industrial applications because of their small size and multiple mounting options. As supply voltage and output signal are transmitted without contact, the device can operate continuously with low wear and no maintenance. 
These transducers are also available with optional speed and angular measurement for a host of applications. The integrated signal amplifier is powered with 10 - 28,8 V DC and outputs an electrically isolated analog signals of 0 ± 10 V and 10 kHz ± 5 kHz.
The standard version has smooth shaft ends, several types are available with optional keyways (see table)

Downloads:
Datasheet
Instruction
Instruction DRVL "F"

Model / Measurement range

DRVL
0,02 | 0,05 | 0,10 
STEP-file:
DRVL
DRVL-F
DRVL-I
0,05 | 0,1 | 0,2 | 0,5 | 1 | 2
STEP-file:
DRVL-I
DRVL-I-F
DRVL-Ib
1 | 2 | 5 | 10
STEP-file:
DRVL-Ib
DRVL-Ib-F
DRVL-II
5 | 10 | 20 | 30 | 50
STEP-file:
DRVL-II
DRVL-II-F
DRVL-III
50 | 100 | 150 | 200 | 300
STEP-file:
DRVL-III
DRVL-III-F
DRVL-IV
500 | 1000 | 1300 | 1500 
STEP-file:
DRVL-IV
DRVL-IV-F
DRVL-V
2000 | 3000 | 4000 | 5000
STEP-file:
DRVL-V
DRVL-V-F
DRVL-VI
10.000 | 15.000 | 20.000
STEP-file:
DRVL-VI
DRVL-VI-F

Specifications

 Voltage outputOutput frequency
Voltage output0 ± 10 V10 kHz ± 5 kHz (RS422)
Resolution16 bit fit 0,38 mV16 bit fit 0,19 mHz
Max. output range± 11 V± 6,3 kHz
Internal resistance100 Ω--
Ripple< 100 mVss--
Nonlinearity
   DRVL:
   DRVL-I bis DRVL-VIII

0,15 %
0,1 %

0,15 %
0,1 %
Hysteresis0,1 %0,1 %
Devitation at zero point≤ 50 mV≤ 50 Hz
Supply voltage10 - 28,8 V DC
Power consumptionat Ub 12 V approx. 180 mA (Switch converter 2,2 W)
Rise time 10-90 %2 ms (optional 400 μs)
Limit frequency –3 dB200 Hz (optional 1 kHz)
Operating temperature0 - 60° C
Compensated temp. range5 - 45° C
Temperature error
   zero point
   sensivity 

0,02 % / K
0,01 % / K
Mechanical overload100 %
Internal protectionIP40
Connection12pin-connector

Options

 Speed (n)Angle (w)
max rev.≤ 37.000 1/min*≤ 20.000 1/min*
OutputTTL or over voltage on pin 5 V - 24 V
Impedance22 Ω22 Ω
I max.20 mA20 mA
Pulses/rev.602 x 360
Resolution--
Phase shift--Channel A 90° at right spin of propulsion side
* The values are valid for ETH test cables ≤ 10 m, the maximum permissible speed of the sensor must be observed.

Available accessories

Example of use