Product overviewOF20LP series linear oil-filled potentiometers for linear displacement measurement and signal feedback; available in multiple electrical travel and resistance ranges. Oil-filled construction enhances lifetime stability and contact performance.
Characteristics- Linear motion
- Wire-wound resistive element
- Bushing-mounted shaft
- Long service life
- Waterproof design
ParametersModels: OF20LP50, OF20LP100, OF20LP200
Standard resistance ranges: 100 Ω–10 KΩ; 100 Ω–20 KΩ; 100 Ω–50 KΩ
Maximum selectable resistance: 20 KΩ, 40 KΩ, 80 KΩ
Total resistance tolerance: Standard ±5% (J); Precision ±3% (H)
Independent linearity tolerance: Standard ±0.7%, ±0.5%; Precision ±0.4%, ±0.25%
Power ratings: 0.75 W, 1.0 W, 2.0 W
Signal-to-noise: <100 Ω E.N.R.
Electrical travel: 50±1 mm, 100±1 mm, 200±1 mm
Mechanical travel (MS): ≈53 mm, ≈103 mm, ≈203 mm
Insulation resistance: >100 MΩ (500 V DC)
Dielectric strength: 900 V AC, 1 minute
Friction force: <15 N (≈1.5 kgf)
Stop withstand force: ≈90 N (≈9 kgf)
Resistance temperature coefficient: ±20 p.p.m./°C
Mass: ≈100 g, ≈150 g, ≈180 g
Special optional specifications- Special shaft types: custom machining on shaft
- Additional terminal: extra wiring terminal (up to 1)
- Special types: non-oil-filled variant
Technical specifications- Model series: OF20LP (OF20LP50 / OF20LP100 / OF20LP200)
- Resistance ranges: 100 Ω–10 KΩ; 100 Ω–20 KΩ; 100 Ω–50 KΩ (max selectable 20 KΩ / 40 KΩ / 80 KΩ)
- Tolerances: total ±5% (J) or ±3% (H); independent linearity down to ±0.25%
- Power ratings: 0.75 W, 1.0 W, 2.0 W
- Electrical travel options: 50±1 mm, 100±1 mm, 200±1 mm
- Insulation & dielectric: >100 MΩ @500 VDC; 900 VAC for 1 min
- Mechanical/operational: friction <15 N; stop force ≈90 N; waterproof; long service life
- Approx. mass: 100 g / 150 g / 180 g