Description
Model F6804 Ring force transducer
For screw forces up to 450 kN
The force transducers of the F6804 series are suitable for the measurement of compression forces and are available with nominal loads of 3 kN to 450 kN. This force transducer has been designed with a ring geometry and constructed, specifically, for the measurement of screw and preload forces.
The field of application of this force transducer are applications such as measurement and test equipment in which, for example, screw or bolt forces are measured. In addition, the force on spindle drives or general force can be measured using a ring geometry.
Fields of application include the simple determination of bolt preloads where the force transducer is used as a measuring washer.
Note
To avoid overloading, it is advantageous to connect the force transducer electrically during assembly and to monitor the measured value.
The measuring force must be introduced through the centre and free of transverse force. When assembling the force transducer, care should be taken that the support surface is flat, ground and sufficiently hard.
Due to its small geometry, this force transducer reacts very sensitively to changing or different mounting positions.
Specifications per VDI/VDE/DKD 2638
| Model F6804 | |
| Rated force Fnom kN | 3, 5, 10, 20, 50, 100, 150, 200, 300, 450 |
| Relative linearity error dlin | 2 % Fnom |
| Relative creep, 30 min. at Fnom | 0.5 % Fnom |
| Relative reversibility error v | 2 % Fnom |
| Relative span in unchanged mounting situation brg | 0.5 % Fnom |
| Relative deviation of zero signal dS, 0 | ±2 % Fnom |
| Temperature effect on the zero signal TK0 | 0.05 % Fnom/10 °C |
| Temperature effect on the characteristic value TKC | 0.05 % Fnom/10 °C |
| Limit force FL | 150 % Fnom |
| Breaking force FB | 200 % Fnom |
| Material of the measuring body | Stainless steel |
| Rated temperature range BT, nom | -10 … +60 °C |
| Service temperature range BT, G | -20 … +80 °C |
| Input resistance Re | 385 ±30 Ω |
| Output resistance Ra | 350 ±5 Ω |
| Insulation resistance Ris | ≥ 5,000 MΩ/DC 100 V |
| Output signal (rated characteristic value) Cnom | 1.0 ±10 % mV/V |
| Electrical connection | Cable Ø3 × 3,000 mm |
| Voltage supply | DC 5 V (max. 10 V) |
| Ingress protection (per IEC/EN 60529) | IP65 |
| Weight 3 kN – 20 kN 50 kN – 200 kN 100 kN – 450 kN | 0.1 kg 1.1 kg 1.9 kg |
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