Description
Torque sensor DRFS ¼-w-S
• universal attachment to standard electric screwdrivers
• rigid connection between sensor and screwdriver
• lockable in any position, thus easy handling
• maintenance-free due to non-contact measured value transmission
• high accuracy through frequency modulation and DMS principle
• high interference immunity due to amplified active signal
• integrated chip for sensor detection in conjunction
with evaluation unit GMV2 and ValueMasterBase
Torque Ranges
| DRFS ¼“ -w-S (Nm) | Mechanical overload |
| | 1 | 2 | 5 |10 | 12 | | 100 % |
| | 15 | | 70 % |
| | 20 | | 30 % |
Electrical Specifications DRFS
| Supply voltage: | 12 V DC ± 10 % |
| Power consumption: | < 200 mA |
| Rise time 10-90 %: | 1 ms (1 kHz) |
| Voltage output: | 0 to ± 5 V |
| Internal resistance: | 100 Ω |
| Ripple: | < 100 mVpp |
| 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: 0,02 % / K Sensitivity: 0,01 % / K |
|
| Max rev.: | 8000 min -1 |
| Weight approx.: | 250 g |
| Protection: | IP 40 |
| Connection: | 2,5m cable with 12pin- connector |
| Calibration: Factory certificate with 25% steps cw. Other calibrations upon request. | |
| Angle option (w) | |
| Max. rev.: | 3000 min -1 |
| Output: | open-collector |
| Internal pull up: | 10 kΩ (5 V level) |
| External pull up: | 24 V max |
| Imax: | 20 mA |
| Pulses / rev.: | 360 |
| Resolution: | 1° |
| Detection of direction of rotation: | 2 Imp. 90° Phase shift Channel A clockwise of the drive side leading |
Ordering Code
Mechanical Dimensions DRFS
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) |
H (mm) |
I (mm) |
Weight approx. (g) |
| DRFS ¼“ -w-S | 66 | 32 | 51 | 16 | 105 | 17 | 30 | 75 | 42 | 280 |
General tolerances DIN 2768-m
Available Accessories
Supply and display unit:
ValueMasterBase
GMV2
ValueView
Cables
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