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2-Range Torque Transducer

DRDL
Torque ranges from 0,5 to 5000 Nm
with speed and angular measurement

Features
• 2 torque ranges
1/10 - 1/2 of the 1st measuring range • contactless output signals
• integral signal amplifier • no maintance
• low moment of intertia • compact
• single supply voltage • speed measurement (option)
• wide range of applications • angle measurement (option)

The dual-range torque sensor is perfectly suited for The integrated measurement amplifier outputs an
use as a test-bench sensor. It is custom-built to mea- analog, electrically isolated 0 to ± 10 V signal per mea-
sure two ranges synchronously without change- surement range for a 12 V DC supply voltage.
over (!): both peak torque and operating torque are
very accurately measured. A 100 % overload protec- The advantages of this sensor are its high torque
tion for the large load offers additional protection bandwidthas well as in the reduction of change-over time
against transient overloads. and conversion costs.

As the supply voltage and measurement output are The sensor is suited for measurements on electric
transmitted without any physical contact, the device motors, friction measurements in gearboxes, perfor-
can operate continuously with negligible losses and mance measurements, generator tests and automa-
without the need for maintenance. ted inspection applications.
Technical Specifications DRDL
Supply voltage: 12 V DC ± 10 %
Current consumption: < 200 mA
Rise time 10-90 %: 2 ms
Limit frequency –3 dB: 200 Hz
Voltage output: 0 to ± 10 V
Internal resistance: 100 Ω
Ripple: < 100 mVss
Nonlinearity: < 0,1 %
Hysteresis: < 0,1 %
Devitation at zero point: ≤ ± 100 mV
Max measurement error: 0,1 % (FS / of full scale)
Operating temperature: 0 - 60 °C
Compensated temperature range: 5 - 45 °C
Temperature error
Zero point: 0,02 % / K
Sensitivity: 0,01 % / K
Mechanical overload: 100 %
Internal protection: IP 40 DIN 40050
Connection: 12pin- connector
Factory calibration Right-/ left load in 25% steps. Special calibration on request.
EMV Immunity for interference (DIN EN 61326-1 / EN 61000-6 ) *1
Enclosure Severity
HF line interference
150 kHz - 80 MHz (AM) 10 V
ESD (Electrostatic discharge) Air 8 kV / Contakt 4 kV
Enclosure
Electromagnetic Field
80 Mhz - 1000 MHz (AM) 10 V/m
150 kHz - 80 MHz (AM) 20 V/m
Leads - Connection Cable
Burst (fast transients) 2 kV
*1 Severity / Criterion: industrial environment; Cable lenght ≤ 30 m. Application not outside buildings.
Interference Emission (EN 55011)
Disturbance Voltage (electromagnetic Disturbances) Class B (150 kHz - 30 MHz)
Radiated Emission (electromagnetic Disruption axis) Class B ( 30 MHz - 1000 MHz)

Speed Option (n) Angle Option (w)

max. rev.: up to 10 000 min -1 * max. rev.: up to 3 000 min -1 **
Output: Open-Collektor Output: Open-Collektor
Internal pull up: 10 kΩ (5 V Level) Internal pull up: 10 kΩ (5 V Level)
External pull up: 24 V max External pull up: 24 V max
l max: 20 mA l max: 20 mA
Pulses / rev.: 60 Pulses / rev.: 360
* with additional external wiring 20.000 min⁻¹ Resolution: 1°
(or speed max.)
Phase shift Channel A 90° at right spin
of propulsion side.
** with additional external wiring 15.000 min⁻¹
(or speed max.)
Mechanical Dimensions DRDL

DRDL-I DRDL-II DRDL-III DRDL-IV DRDL-V

1. Torque Range | 0,5 | 1 | 2| |5|10| 20 |50 | |50|100| |500|1000|1500| |2000|3000|

|200|300| |4000|5000|
2. Torque Range selectable when ordering (1/10 to 1/2 of the 1st range)
- other measuring ranges on request! -
L (mm) 108 176 184 280 352
L1 (mm) 76 113 92 107 129
L2 (mm) 14 30 45 85 110
B (mm) 44 42 60 97 125
H (mm) 65 65 75 106 136
H1 (mm) 20 21 28 45 58
D g6 (Ø mm) 6 15 26 45 70
A1 (mm) 60 80 70 70 105
A2 (mm) 32 32 45 70 100
M M3 x 6 deep M4 x 8 deep M5 x 10 deep M6 x 15 deep M8 x 16 deep
Weight approx. (g) 420 800 1500 5600 14.000
Speed max.
36.000 19.000 13.500 7900 7900
(1/min)

General tolerances DIN 2768-m

Mechanical values and load limits DRDL
spring cons- Mass Moment J (g•cm²) Permitted Permitted
Measuring
Size tant C Axial load Radial load
range (Nm) Total Drive side Measuring side
(Nm/rad) (N) * N) *
0,5 32 16 16 0,6 120 1,8
I 1 59 18 17 1,7 280 3,4
2 130 18 17 1,7 349 6,9
5 508 126 95 32 880 10
10 1183 127 95 32 1300 20
II
20 2318 128 96 32 1300 40
50 4322 130 97 33 1300 103
50 9488 905 565 340 1820 77
100 20.354 912 569 343 1820 153
III
200 37.724 927 576 351 1820 309
300 49.069 946 586 360 1820 461
500 161.773 10.677 5994 4683 4560 414
IV 1000 280.730 10.813 6062 4751 4560 829
1500 350.925 10.975 6143 4832 4560 1199
2000 881 x 10³ 71.566 38.833 32.733 5650 6550
3000 1176 x 10³ 71.970 39.035 32.935 5650 9765
V
4000 1385 x 10³ 72.430 39.265 33.165 5650 11.300
5000 1535 x 10³ 72.931 39.516 33.415 5650 11.300

*The values for axial and radial load refer to the non-fixed housing.

Ordering Example Accessories

Analyzer ValueMasterBase
DRDL - - - - Cables
Couplings
n  Option speed measurement
w  Option angle measurement
 2. Measuring range (Nm)
(selectable 1/10 to 1/2
of the 1st measuring range)
 1. Measuring range (Nm)
 Size
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