PRS Flat Rotating Resistive Element
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Voltage divider | Ø 25.2 / 34 / 45.86 mm | Slider for Ø 3 or Ø 6 mm shaft | Ub max. 42VDC | 5kΩ | 345°, 350° or 355°
- Manufacturer: Novotechnik
- Category: Displacement, Angular displacement sensor, SENSORS
Novotechnik PRS flat rotary resistive element. Conductive plastic resistive track in an open design, without casing, with a precious metal cursor.
Flat, conductive plastic, open-design, housingless, rotating resistive element; with its cursor, it forms a two-piece measuring system. Three sizes (Ø25.2, Ø34, and Ø45.86 mm), 5 kΩ, electrical range of 345°, 350°, and 355°. Linearity ≤ ±0.1% (PRS-65), repeatability ≤ ±0.01°. Three-wire connection.
Key points
- Fixing by adhesive (without silicone)
- Typical life of more than 100 million movements
- Voltage divider output
Technical Frequently Asked Questions
What can be connected to the PRS planar rotating resistive element?
Novotechnik S parts (spare cursors) can be connected to it.
How do I order the PRS planar rotating resistive element?
For example, PRS-25-A502 (Art. 400065111) is the size 25 (Ø25.2 mm) version with 5 kΩ. All order references with their corresponding Art. are listed in the reference table on this page.
Under what conditions does the PRS planar rotating resistive element operate?
Operating temperature: -40 … +100 °C.
Properties
| Feature | Specification |
|---|---|
| Extent | |
| Exit sign | Voltage divider |
| Resistance tolerance | ±20 % |
| Repeatability | ≤ ±0.01° |
| Effective temperature coefficient of the output/applied voltage ratio | typ. 5 ppm/K |
| Electrical data | |
| Recommended cursor current | ≤ 1 µA |
| Maximum cursor current in case of failure | 10 mA |
| Maximum permissible supply voltage Ub | 42 VDC |
| Insulation resistance (500 VDC) | ≥ 10 MΩ |
| Materials | |
| Medium | Fiberglass reinforced epoxy resin |
| Fixation | Glued |
| Resistive element | Conductive plastic |
| Cursor | Precious metal multi-finger, cushioned with elastomer |
| Electrical connection | 0.034 mm² (AWG 32) PTFE wires |
| Connection assignment | |
| Sign | Threads |
| Connection 1 | BN |
| Connection 2, signal output | RD |
| Connection 3 | OG |
| Environmental conditions | |
| Working temperature | -40 … +100 °C |
| Life | Typical > 100 million movements (depending on installation tolerances and environmental conditions) |
| Cursors (accessories) | |
| Clamping force when clamping on the shaft (S-094) | 80 … 250 N |
| Clamping force when clamping on the shaft (S-098 and S-152) | 200 … 360 N |
| Contact force of 1 cursor with 4 fingers | 0.14 ±0.04 N (in assembled state, distance dimension according to drawing) |
| Packaging unit | 1 piece |
| Reference | Configuration |
|---|---|
| PRS-25-A502PRS25A502 | Art. 400065111 · Blade data: Ø25.2 mm, 345°, 5 kΩ |
| PRS-45-A502PRS45A502 | Art. 400065114 · Blade data: Ø34 mm, 350°, 5 kΩ |
| PRS-65-A502PRS65A502 | Art. 400065115 · Blade data: Ø45.86 mm, 355°, 5 kΩ |
Related documentation, cases, and guides
Technical documentation
- Novotechnik General Catalogue: Linear and Angular Position Sensors
- Technical definitions of potentiometers: linearity, RGV and hysteresis
- Novotechnik position sensors with IO-Link interface
- Position sensors for valves and actuators: Novotechnik series
- Novotechnik linear and rotary sensors for automotive applications
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