Product overviewLinear conductive-plastic potentiometer CL25A (short stroke) designed for precise linear position sensing and direct resistance or conditioned voltage/current output in industrial applications. Electrical strokes available from 10 mm up to 300 mm; configurable with cable exit, front extended shaft and optional signal conversion module.
Characteristics- Conductive plastic sensing element
- Cable exit (pre-wired)
- Front extended shaft option
- Resolution: effectively infinite
- Optional integrated voltage/current signal conversion (4–20 mA / 0–5 V / 0–10 V)
Dimensions and mountingDimensional drawings and mounting details available. Mass examples: ≈115 g (50 mm), ≈160 g (100 mm), ≈205 g (150 mm). Mass formula: M = 0.9 × E + 70 g.
General Mechanical SpecificationsMechanical stroke: E + 6 mm ±0.5 mm
Protection degree: IP40
Operating force: ≤ 2.5 N
Life expectancy: 20,000,000 cycles
Maximum speed: 1 m/s
Housing: anodized aluminium alloy
Shaft: stainless steel
Wiper: precious-metal multi-finger wiper
Environmental SpecificationsOperating temperature: -55℃ to +125℃
Storage temperature: -55℃ to +125℃
Shock: 50 G, 11 ms, half-sine
Vibration: 15 G, 10–2000 Hz
General Electrical SpecificationsTheoretical electrical stroke (E): 10 mm; 15 mm; 25 mm–300 mm (steps of 25 mm)
Actual electrical stroke (T): T = E ± 1.5 mm
Standard resistances: 1 KΩ, 2 KΩ, 5 KΩ, 10 KΩ
Resistance tolerance: Standard ±15%; Precision ±10%
Independent linearity tolerance: Standard ±0.5%; Precision ±0.1%; S‑Precision ±0.05%
Max. power rating: 0.02 W/cm (70℃), 0 W (125℃)
Wiper current: μA up to 1 mA (max 2 mA)
Repeatability: ≤ 0.01%
Load resistance: ≥ 1000 × Rt
Insulation resistance: ≥ 1000 MΩ (500 V D.C.)
Dielectric strength: 750 V A.C. RMS 50 Hz
Signal Conversion ModuleElectrical stroke: same as potentiometer type
Rated input voltage: 15–30 V
Module types: Current type I1, Voltage type V1, Voltage type V2
Output: 4–20 mA (I1), 0–5 V (V1), 0–10 V (V2)
Load resistance: 0–350 Ω (I1), ≥ 5 KΩ (V1, V2)
Special Specifications AvailableSpring return: integrated for strokes 25 mm, 50 mm, 75 mm, 100 mm, 125 mm, 150 mm; external spring return available for strokes 10 mm–275 mm
Custom electrical strokes: available on request
Optional accessories: universal joint WJ5, SJ5
Technical data- Model: CL25A (Short stroke)
- Type: Linear conductive-plastic potentiometer
- Mechanical stroke: E + 6 mm ±0.5 mm
- Electrical strokes: 10 mm–300 mm (25 mm increments)
- Standard resistances: 1 KΩ / 2 KΩ / 5 KΩ / 10 KΩ
- Linearity options: Standard ±0.5% / Precision ±0.1% / S‑Precision ±0.05%
- Operating temperature: -55℃ to +125℃
- Protection: IP40
- Life expectancy: 20,000,000 cycles
- Outputs: raw resistance or optional conditioned 4–20 mA / 0–5 V / 0–10 V