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FW80 Nireco | Analog Position Transmitter
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Wire Position Sensor
The FW80 analog position transmitter has two versions: a long-stroke type and an ultra-precision type. The position transmitter incorporates a precision potentiometer, and converts the linear motion of an object to be measured into electric resistance proportional to its position. A construction drawing of this device can be found in Fig. 8. A stainless steel wire is wound around a wire drum, which incorporates a spring. The shaft of the drum is connected to the shaft of the potentiometer via the synchro-belt pulley.

Structural diagram FW80 Nireco
A stainless steel wire is wound around a wire drum, which incorporates a spring. The shaft of the drum is connected to the shaft of the potentiometer via the synchro-belt pulley.

Specifications FW80 Nireco
| Output | 0 to 2000Ω | |||
| Response speed | 400mm/sec | |||
| Wire tension | 45N (4.5kgf) max. | |||
| Ambient temperature | -20℃ to +80℃ (standard) | |||
| Painted color | JIS7.5BG4/1.5 | |||
| Weight | 8.6kg | |||
| Detecting length | 300 | 970 | 3000 | 5000 |
| Linearity (%) | ±0.2 | ±0.5 | ±0.5 | ±0.5 |
| Resolution (%) | Infinitesimal | 0.0091 | 0.052 | 0.03 |
| Permissible power (W) (at 60℃) | 3 | 3.3 | 0.8 | 1.5 |


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