Linear Potentiometer RPF
- Manufacturer: ELCIS Encoder
- Category: Displacement, Linear Potentiometer, SENSORS, Potentiometric linear sensors, Linear Transducers
The RPF linear potentiometer is an absolute (analog) sensor characterized by its shaftless design (model RPC) and minimal installation length. Applications indicated by the manufacturer include: hydraulic and pneumatic cylinders, plastic molding, packaging, textile machinery, etc.
The cursor has a ball bearing that reduces the effects of misalignment with the actuating part.
Supplied in stroke lengths from 50 mm to 1000 mm, with resistive values of 5 kΩ or 10 kΩ and linearity < ±0.07 % (0.05 % from 425 mm). It connects via a DIN 43650 IP65-ISO 4400 swivel connector. It must be used as a voltage divider with a maximum current of 1 µA at the wiper contact; if the downstream system requires more current, an additional circuit will be necessary. Weight ranges from 521 to 1693 g depending on the stroke length; the table of usable stroke lengths and overall lengths, and the order code, are shown in the data sheet (other lengths available upon request). guemisa.es.
- Shaftless structure with minimum installation length.
- Sliding cursor with ball bearing which reduces the effects of misalignment.
- Max. operating speed. 10 m/s and useful life of more than 100 × 10⁶ cycles.
- Resistive element of conductive plastic with infinite resolution and linearity ±0.07 % (0.05 % from 425 mm).
- Adjustable connector DIN 43650 IP65-ISO 4400.
Technical Frequently Asked Questions
What technical differences does the RPF model present compared to other axle-based models?
It is characterized by the absence of a shaft (mod. RPC) and by its minimum installation length.
How does the RPF cursor react to misalignment?
The cursor has a ball bearing that reduces the effects of misalignment with the drive part. The drawing shows the coupling joint with an angular travel of +10° / -10°.
What races and endurance events does the RPF series cover?
It covers strokes from 50 mm to 1000 mm, with 5 kOhm up to 600 mm and 10 kOhm from 750 mm.
Properties
| Feature | Specification |
|---|---|
| Mechanics | |
| Standard stroke | 50 to 1000 mm (see technical specifications) |
| Fixing and coupling | Mobile metal feet • Cursor with ball bearing |
| Weight | 521 to 1693 g (see technical specifications) |
| Electric | |
| Resistive element | Conductive plastic |
| Linearity | < ± 0.07 % (see technical specifications) |
| Resolution and repeatability | Infinite · < ± 0.013 mm |
| Food and consumption | 60 V max. · 3 W to 10 W |
| Max currents. | Cursor ≤ 1 mA (rec. < 1 µA) · Resistance ≤ 10 mA |
| Isolation and regularity | Residual current < 5 µA at 500 V (1 min) · Output regularity < ± 0.1 % against input voltage |
| Protection and environment | |
| Protection | IP50 standard |
| Max. operating speed. | 10 m/s |
| Impact and vibration | 10 G · 40 G |
| Shelf life | > 100 × 10⁶ cycles |
| Other features | |
| Starting force | ≤ 2 N standard |
| Electrical connection | Adjustable connector DIN 43650 IP65-ISO 4400 |
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