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RHTF Hidrolik Silindir İçi Lineer Potansiyometre - Hydraulic In-Cylinder Linear Potentiometer

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RHTF-500-S
20.58724 ₺

OPKON RHTF linear potentiometer mounted inside the hydraulic cylinder; 100-925 mm measuring length, single or dual sensor, < 0.01 mm repeatability.
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  • 10 €  BURSA
  • 20 ₺ İSTANBUL
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İnformations
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OPKON RHTF Hydraulic In-Cylinder Linear Potentiometer

The OPKON RHTF series in-cylinder linear potentiometer is a position sensor mounted directly inside the hydraulic cylinder that measures the piston position from within. Its Ø15 mm body fits into the bored piston rod; the sensor is protected inside the cylinder against external impacts, dirt and physical interference and requires no extra mounting space on the machine. It is offered with measuring lengths from 100 mm up to 925 mm and with single or dual sensor (redundancy) options.

Key Features

  • Mounted inside the hydraulic cylinder, protected against external effects
  • Single sensor (3 wires) or dual sensor (redundancy, 6 wires) option
  • Infinite resolution, < 0.01 mm repeatability
  • Linearity up to ±0.05% (≥250 mm)
  • >20 million movements mechanical life
  • Ø15 mm anodized aluminium body, AISI 303 stainless steel flange

Technical Specifications

Measuring length 100 - 1000 mm
Linearity ±0.2% (100-125 mm), ±0.1% (130-225 mm), ±0.05% (≥250 mm)
Repeatability < 0.01 mm
Resolution Infinite
Resistance 5 kOhm: 100-600 mm / 10 kOhm: 650-1000 mm
Resistance tolerance ±20%
Load resistance 100 kOhm min.
Recommended wiper current < 1 µA
Supply voltage 28 VDC max.
Max. speed < 5 m/s
Mechanical life > 20 million movements
Body diameter / material Ø15 mm / Anodized aluminium
Flange material Stainless steel (AISI 303)
Operating / storage temperature -20°C … +80°C / -30°C … +90°C
Electrical connection CN5A M12 / CN5B M16 5-pin connector, CF4A M12 4-pin male connector or cable

Model and Dimension Table

Product Code (Single / Dual) Measuring Length US (mm) Mechanical Length MS (mm) Total Length L (mm) Weight (kg)
RHTF-100-S / RHTF-100-R 100 104 166 0.13
RHTF-200-S / RHTF-200-R 200 204 266 0.15
RHTF-300-S / RHTF-300-R 300 304 366 0.18
RHTF-400-S / RHTF-400-R 400 404 466 0.21
RHTF-500-S / RHTF-500-R 500 504 566 0.24
RHTF-700-S / RHTF-700-R 700 704 766 0.29
RHTF-925-S / RHTF-925-R 925 - - 0.35

Applications

  • Piston position measurement in hydraulic cylinders
  • Safety-critical applications such as hydraulic presses and press safety (dual sensor)
  • Position feedback on machines exposed to impact and dirt
  • Embedded position sensing on machines with limited mounting space

Frequently Asked Questions

Where is the RHTF linear potentiometer mounted?

It is mounted inside the hydraulic cylinder; the Ø15 mm body fits into the bored piston rod and is fixed to the cylinder by its flange.

What is the difference between single and dual sensor (redundancy)?

The single sensor model has one 3-wire resistance track. The dual sensor model has two independent 6-wire resistance tracks and is preferred for redundant measurement in safety-critical applications.

Which measuring lengths are available?

Measuring lengths of 100, 200, 300, 400, 500, 700 and 925 mm can be selected.

What are the supply voltage and resistance?

Supply voltage is 28 VDC max. Resistance is 5 kOhm for 100-600 mm and 10 kOhm for 650-1000 mm lengths (tolerance ±20%).

What are the repeatability and life?

Repeatability is below 0.01 mm and mechanical life is over 20 million movements.

Which connection options are available?

CN5A M12 / CN5B M16 5-pin connector, CF4A M12 4-pin male connector or cable outlet options are available.

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