OPKON RPH LPH LINEAR POSITION SENSOR TRANSDUCER

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OPKON RPH and LPH series are long-stroke potentiometric linear position transducers designed for high-precision displacement measurement in industrial automation systems.

Product Overview: OPKON RPH / LPH Linear Position Sensors

These transducers use conductive plastic potentiometer technology to deliver absolute position feedback with infinite resolution and long mechanical life. Ideal for hydraulic presses, injection molding, and textile machinery.

RPH Series – Robust Industrial Transducer

• Measuring Range: 100 mm to 1950 mm
• Linearity: ±0.05%
• Repeatability: ≤ 0.01%
• Resolution: Infinite
• Resistance Output: 5 kΩ or 10 kΩ
• Displacement Speed: ≤ 1.5 m/s
• Mechanical Life: Up to 100 million cycles
• Housing: Anodized aluminum, IP65 protection
• Mounting: Adjustable brackets or flange mount
• Operating Temperature: –40°C to +85°C
• Electrical Connection: 4-pin connector or cable

LPH Series – Compact Long-Stroke Sensor

• Measuring Range: 100 mm to 1500 mm
• Linearity: ±0.05%
• Repeatability: ≤ 0.01%
• Resolution: Infinite
• Resistance Output: 5 kΩ or 10 kΩ
• Voltage Rating: Up to 28 VDC
• Load Resistance: ≥ 100 kΩ
• Displacement Speed: ≤ 1.5 m/s
• Housing Dimensions: 33 mm × 33 mm
• Protection Class: IP40 (IP53 if mounted upside down)
• Mounting: Mechanical fixing via brackets
• Operating Temperature: –40°C to +85°C

Application Areas

• Hydraulic and pneumatic press systems
• Plastic and metal injection molding machines
• Marble and stone processing equipment
• Textile and transfer machinery
• General industrial automation requiring long-stroke feedback

List of models:

RPH-100
RPH-125
RPH-130
RPH-150
RPH-175
RPH-200
RPH-225
RPH-250
RPH-275
RPH-300
RPH-325
RPH-375
RPH-400
RPH-450
RPH-500
RPH-550
RPH-600
RPH-650
RPH-700
RPH-750
RPH-800
RPH-850
RPH-900
RPH-1000

LPH-100
LPH-125
LPH-130
LPH-150
LPH-175
LPH-200
LPH-225
LPH-250
LPH-275
LPH-300
LPH-325
LPH-375
LPH-400
LPH-450
LPH-500
LPH-550
LPH-600
LPH-650
LPH-700
LPH-750
LPH-800
LPH-850
LPH-900
LPH-1000