Description
Rotating Torque Sensor DRBL
The torque sensors of the DRBL series are a further development of our DRBK series and are suitable for use in the laboratory and for industrial environments with their compact dimensions and diverse mounting options. A factory calibration certificate with 25% increments (left, right) is included in the scope of delivery. The non-contact transmission of the measurement signal and the supply energy enables low-wear and m aintenance-free continuous operation.
Technical specifications
| Supply voltage | 11,5 to 28,8 V DC |
| Power consumption | approx. 200 mA |
| Rise time 10-90% | 400 µs |
| Limit frequency -3dB | 1 kHz |
| Voltage output Internal resistance |
0 to ± 5 V 100 Ω |
| Current output Burden |
10 ± 8 mA max 500 Ω |
| Ripple | < 100 mVss |
| Nonlinearity | < 0,2 % |
| Hysteresis | < 0,2 % |
| Deviation at zero point | ≤ ± 100 mV / ± 200 µA |
| Max. measuerment fault | 0,25 % (FS / of full scale) |
| Operating temperature | 0 – 60 °C |
| Compensated temperature | 5 – 45 °C |
| Temperature error zero point sensitivity |
0,05 % / K 0,02 % / K |
| Mechanical overload | 100 % |
| Internal protection | IP40 |
| Connection | 12pin-connector |
| EMV Immunity for interference (DIN EN 61326-1 / EN 61000-6 ) * | ||
| Enclosure HF line interference 150 kHz – 80 MHz (AM) |
Severity 3 V |
Criterion A |
| (ESD) Electrostatic discharge | Air 8 kV Contact 4 kV |
A A |
| Enclosure Electromagnetic Field 80 MHz – 1000 MHz (AM) 80 MHz – 2700 MHz (AM) |
10 V/m 10 V/m |
A A |
| Leads – Connection Cable Burst (fast transients) 2 kV A |
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| Surge voltage (Surge) | 1 kV | B |
| Interference Emission (EN 61326-1 / EN 55011) Disturbance Voltage (Electromagnetic Disturbances) Radiated Emission (Electromagnetic Disruption axis) |
– – |
Class B (150 kHz – 30 MHz) Class B (30 MHz – 1000 MHz) |
| Speed Option (n) | |
| max. rev.: | up to 22 000 min -1 ** |
| Output: | Open-Collector |
| Internal pull up: | 4,7 kΩ (5 V level) |
| External pull up: | 24 V max / 20 mA |
| Pulses/rev.: | 60 |
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* Severity / Criterion: industrial environment; Cable lenght ≤ 30m.
Application not outside buildings.
** by proper external connections (depending on cable length and capacity) up to speed max.
Mechanical Dimensions DRBL
| Model: | DRBL-I | DRBL-II | DRBL-III | DRBL-IV | |
| Measuring range (0 – …) : [Nm] | 0,5 | 1 | 2 | 5 | 10 | 20 | 50 | 100 | 200 | 500 | 1000 | |
| Dimensions: [mm] | General tolerances DIN 2768-m | ||||
| L1 | 80 | 110 | 130 | 170 | |
| L2 | 15 | 27 | 35 | 50 | |
| L3 | 48 | 54 | 58 | 68 | |
| L4 | 43 | 48 | 58 | 58 | |
| B1 | 75 | 90 | 120 | 150 | |
| B2 | 45 | 48 | 71 | 86 | |
| H1 | ±0,02 | 25 | 30 | 40 | 50 |
| H2 | 50 | 60 | 80 | 100 | |
| H3 | 65 | 78 | 104 | 130 | |
| H4 | 77 | 90 | 116 | 142 | |
| H5 | ±0,10 | 22 | 26 | 30 | 40 |
| D1 | g6 | 6 | 15 | 24 | 40 |
| D2 | ±0,10 | 35 | 52 | 68 | 95 |
| D3 | ±0,02 | 30 | 45 | 60 | 85 |
| D4 | ±0,02 | 35 | 50 | 65 | 90 |
| A1 | ±0,10 | 35 | 38 | 40 | 46 |
| A2 | ±0,10 | 54 | 62 | 87 | 106 |
| A3 | ±0,02 | 40 | 50 | 60 | 80 |
| G1 | M5 x 10 | M6 x 12 | M6 x 12 | M8 x 16 | |
| G2 | M4 x 8 | M5 x 10 | M5 x 10 | M6 x 12 | |
| Z | E8 | Ø4 x 6 | Ø5 x 7 | Ø6 x 8 | Ø8 x 10 |
| S | Ø7 x 20U – Ø3,4 | Ø9 x 26U – Ø4,3 | Ø9 x 32U – Ø4,3 | Ø11 x 30U – Ø5,5 | |
| N1 | H8 | 6 | 8 | 8 | 8 |
| N2 | +0,2 | 2,8 | 3,3 | 3,3 | 3,3 |
| N3 | +0,3 | 30 | 35 | 40 | 50 |
| Weight: [g] | ≈ 230 | ≈ 550 | ≈ 850 | ≈ 2500 | |
Technical Specifications DRBL
| Model |
Measuring range (0 – …) [Nm] |
max. RPM [min -1] |
Spring Constant [Nm/rad] |
Mass moment of inertia [g x cm²] | Permitted axial load* [N] |
Permitted radial load* [N] |
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| Total | Drive side | Measuring side | ||||||
| DRBL-I |
0,5 | 25.000 | 141 | 15,1 | 14,3 | 0,8 | 194 | 25 |
| 1 | 25.000 | 141 | 15,1 | 14,3 | 0,8 | 194 | 25 | |
| 2 | 25.000 | 277 | 15,2 | 14,3 | 0,8 | 194 | 50 | |
| DRBL-II |
5 | 22.000 | 1126 | 113 | 89 | 24 | 580 | 80 |
| 10 | 22.000 | 2590 | 114 | 90 | 24 | 580 | 160 | |
| 20 | 22.000 | 5160 | 114 | 90 | 24 | 580 | 320 | |
| DRBL-III |
50 | 16.000 | 18.954 | 444 | 291 | 153 | 1000 | 675 |
| 100 | 16.000 | 33.237 | 452 | 295 | 157 | 1000 | 1350 | |
| 200 | 16.000 | 45.609 | 467 | 303 | 164 | 1000 | 2000 | |
| DRBL-IV | 500 | 9500 | 283.554 | 4275 | 2389 | 1886 | 2450 | 4750 |
| 1000 | 9500 | 408.370 | 4444 | 2473 | 1971 | 2450 | 4900 | |
*The values for axial and radial load refer to the non-fixed housing
Mounting possibilities
The DRBL series offers simplified assembly and thus ensures a distinctive installation:
- Fastening on the base from above and
- Alignment by feather key connection and straight pins for quick installation and
- Fastening at the front using threads and straight
- Positioning using straight pins prevents the measurement and drive sides from being mixed up when
- Longer shaft ends allow for a wide selection of
Mounting material
Feather key and straight pins included.
Available Accessories
- ETH-Measurement cable (Are optimized in design and )
- Display and evaluation devices
- Couplings
Ordering code
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