Description
Torque sensor DRFS ¼ / DRFS-I-w
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
Measuring Range
| DRFS (± 0 – … Nm) | Overload (%) |
| | 1 | 2 | 5 |10 | 12 | | 15 | | 20 | |
100 70 30 |
| DRFS-I-w (± 0 – … Nm, with angle function) | Overload (%) |
| | 0,5 | 1 | 2 | 5 | | 10 | | 20 | |
100 80 10 |
Technical specifications
| Measurement range (0 – … Nm) | | 1 | 2 | 5 | 10 | 12 | 15 | 20 | |
| Supply voltage | 12 V DC ± 10 % |
| Power consumption | approx. 200 mA |
| Rise time 10 – 90 % | 1 ms (1 kHz) |
| Voltage output | 0 – ± 5 V |
| Internal resistance | 100 Ω |
| Ripple | < 100 mVss |
| Nonlinearity | < 0,15 % |
| Hysteresis | < 0,1 % |
| Deviation at zero point | ≤± 100 mV |
| Operating temperature | 0 – 60 °C |
| Compensated temperature range | 5 – 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 |
| Weight | 0,3 kg |
| Connection | 12pin-connector |
Angle (DRFS-I-w)
| max rev. | 3000 min-1 |
| Output | Open-Collector |
| Internal pull up | 10 kΩ (5 V Pegel) |
| External pull up | 24 V max. |
| Imax | 20 mA |
| Pulses / rev. | 360 |
| Resolution | 1° |
| Detection of direction of rotation | 2 pulses 90° phase shift Channel A leading for clockwise rotation of drive end |
Ordering Code
Mechanical Dimensions
1/4“ Hexagonal drive DIN 3126 (ISO standard 1973-1975) Size E / F with quick-coupling
Mechanical Values
| Model | A (mm) |
B (mm) |
C (mm) |
D (mm) |
E (mm) |
F (mm) |
G (mm) |
Weight approx (g) |
| DRFS | 62 | 32 | 51 | 16 | 115 | 22 | 31 | 300 |
| With angle function | ||||||||
| DRFS-I-w | 66 | 32 | 51 | 16 | 114 | 17 | 30 | 280 |
General tolerances DIN 2768-m
Available Accessories
Supply and display unit: ValueMasterbase
GMV2
ValueView
Cables
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