OF20HHPS Oil-filled Potentiometer

Hybrid Oil-Filled Potentiometer (Servomount type)

About the OF20HHPS Oil-filled Potentiometer

The OF20HHPS is a small sized precision multi-turn type potentiometer with servomount, long-life and high resolution.

Features Oil-Filled Potentiometer OF20HHPS-10S

  • Dimensions (mm) DxL: 32×45
  • Shaft Dia. (mm): 6
  • Independent linearity (±%): 0.25 to 0.1
  • Mechanical travel (+10° 0°): 3,600 +10° 0°
  • Electrical travel (±5°): 3600°±5°

Special specifications available

Extra taps (available up to 1 tap), 5-turn type, Inch dimensional shaft dia. (ø6.35mm) - Bushing with inch dimensions, Special machining on the shaft, Wirewound resistive element type (Model OF20HP and OF20HPS. For technical details of these types< please refer to those of models 20HP and 20HPS).

Specifications

Standard Resistance range
2k, 5k, 10k, 20k, 50k, 100k (O)
Total resistance tolerance
Standard Class ±10% (K), Precision Class ±5% (J)
Independent linearity tolerance
Standard Class ±0.25%, Precision Class ±0.1%
Resolution
Essentially infinite
Output smoothness
Within 0.015% against input voltage
Contact resistance variation
Within 3% C.R.V.
Power rating
2.0W
Electrical travel
3,600º ±5º
Mechanical travel
3,600º+10º 0º
Insulation resistance
Over 100MO at 1,000 V.D.C.
Dielectric strength
1 minute at 1,000 V.A.C.
Starting torque
Within 20mN·m (200gf·cm)
Stopper Strength
Approx. 0.9N·m (9kgf·cm) (bushingmount type), Approx. 0.6N·m (6kgf·cm) (servomount type)
Max. Working Voltage
300V
Resist. temp. coefficient of wire
±100p.p.m./ºC
±100p.p.m./ºC
Approx. 100g
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