DF series torque measuring flanges
The DF series torquemeters by the numbers
- Maximum speeds of up to 25,000 rpm
- Accuracy class: 0.04% F.S. (full scale)
- A-D converter: 24 bit
- D-A for analogue output: 16 bit
- Total sampling rate: 25 kHz
- Operating temperature range: 0…85°C
- Rated gap distance: < 4 mm
- Limit torque: 300%
- Customer-specific measuring ranges on request
The DF series torque measuring flanges feature an innovative measuring element in combination with digital multi-channel telemetry. This enables an extremely wide bandwidth of installation and measurement arrangements. The torquemeter is unique in that it features three genuine strain gauge amplifiers electronics of the rotor. The additional overflow channel transmits measurement values of up to 300% of the nominal torque. The rotor temperature is also signaled. The flange dimensions of the DF series conform to the DIN norm and are compatible with similar products from our competitors.
Our rotating DF series torquemeters
DF1 – DF5
- Smart sensor, highest precision. Extensive interfaces and diagnostic options. Very simple mounting.
- Nominal torque freely selectable in the range from 100 to 10,000 Nm
- Accuracy class 0.04 % (optional 0.03 %)
- Digital multi-channel telemetry 24 bit
- Ringless stator with up to 4mm distance
- Optional: two real measuring ranges
- Overload channel 300% as monitoring channel
- Outputs F, U, CAN, Alarm
- DIN hole circle Ø = 84 mm – 196 mm
- Optional max. speed up to 25,000 rpm
Our fast rotating DF series torquemeters
DF HS
- Fast rotating variant for medium torques
- Smart sensor, highest precision. Extensive interfaces and diagnostic options. Very simple mounting.
- Nominal torque freely selectable in the range from 500 to 3,000 Nm
- Accuracy class <= 0.1%
- Digital telemetry 24 bit
- Ringless stator with up to 4mm distance
- Overload channel 300% as monitoring channel
- Outputs F, U, CAN, Alarm
- Hole circle Ø = 105 mm
- Max. Speed up to 32.000 rpm
Our DF series non-rotating torque transducers
DF2 RTS
- Stationary sensors of type DF
- Use as reference torque sensor
- Passive, constructed with state-of-the-art strain gauge technology
- Signal evaluation with any commercially available strain gauge amplifier for full bridges
- Processing of the signals via ATESTEO’s own amplifier units of the SAFO type
- Conversion to frequency, voltage, or current
- Rated torque range: 100 – 10,000 Nm, freely selectable
- Accuracy class 0.03%
- DIN hole circles Ø = 84 to 196 mm
- Extensive interfaces at external evaluation unit SAFO (F, U, I)
If you are looking for torque measuring shafts with torques >10.000 Nm, you will find them here: F series
Models of the DF series
DF1
100–500 Nm
PCD 84
DF2
200–1 kNm
PCD 101.5
DF3
1–3 kNm
PCD 130
DF4
4–5 kNm
PCD 155.5
DF5
5–10 kNm
PCD 196
Interfaces for DF series
- Frequency output (RS422): 10±5 kHz, 60±20 kHz, 60±30 kHz, 240±120 kHz
- Analogue output: 0-5 V, 0-10 V, ±5 V, ±10 V
- CAN (2B, 2 kHz)
- Magnetic speed sensor optional
- Ethernet (10/100 Mbit)