DF series torque measuring flanges
The torque measuring shafts of the DF series in figures
- Max. Speed up to 25,000 rpm
- Accuracy class ≤ ±0.04 % F.S.
- A/D converter: 24 bit
- D/A for analog output: 16 bit
- Sum sampling rate: 25 kHz
- Operating temperature range: 0…85 °C
- Nominal gap distance < 4 mm (rotor / stator distance)
- Limit torque 300%
- Customized measuring ranges on request
- DIN flange dimensions combined with compact design
- No stator ring
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 plus – DF5 plus
- Smart sensor, highest precision. Extensive interfaces and diagnostic options. Simplest mounting.
- Nominal torque freely selectable in the range from 100 to 10,000 Nm
- Accuracy class ≤ ±0.04 % (optionally 0.03 %).
- Digital multi-channel telemetry 24 bit
- Ringless stator with up to 4mm spacing
- 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 plus HS
- Fast rotating variant for medium torques
- Smart sensor, highest precision. Extensive interfaces and diagnostic options. Simplest 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 spacing
- Overload channel 300% as monitoring channel
- Outputs F, U, CAN, alarm
- Bolt circle Ø = 105 mm
- Max. Speed up to 32.000 rpm
Our DF series non-rotating torque transducers
DF2 RTS
- Stationary sensors type DF
- Use as reference transducer
- Passive, built with the latest 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 type SAFO
- Conversion into frequency, voltage or current
- Nominal torque range: 100 – 10,000 Nm, freely selectable
- Accuracy class ≤ ±0.03 %.
- DIN hole circles Ø = 84 to 196 mm
- Extensive interfaces on optional ext. 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 plus
100–500 Nm
PCD 84
DF2 plus
200–1 kNm
PCD 101.5
DF3 plus
1–3 kNm
PCD 130
DF4 plus
4–5 kNm
PCD 155.5
DF5 plus
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)