1. Althen Controls
  2. Linear & rotary position sensors
  3. Linear position sensors
  4. Draw-wire sensors
  5. SP series Draw-wire sensors (String pot)

SP series Draw-wire sensors (String pot)

With a stainless steel mounting bracket to easily orient the sensor


Key features

  • Compact design
  • M12 connection
  • Adjustable mounting bracket
  • Free-release tolerant
  • Custom configurations for OEM

The SP series Draw-wire sensors

This compact string pot features a 'voltage divider' output, offering both convenience and adaptability for measurement ranges of up to 50 inches. Crafted from durable polycarbonate, the SP1 is designed to fit into tight spaces without requiring perfect alignment. Additionally, it comes with a stainless steel mounting bracket, enabling users to easily position the sensor in virtually any orientation.

The SP1 is offered with optional accessories, including a connector, mating plug, and sensor cover, providing protection against IP67 (wet) environments. There's also a more economical 'open' sensor version available, catering to both individual users on a budget and OEMs.

Options SP series

  • Voltage divider (potentiometric)
  • 0-10VDC, 0-5VDC
  • 4-20mA feedback signal
  • Incremental encoder

Applications for these series

  • Factory automation
  • Light industrial
  • Seismic testing
  • Racing instrumentation
  • Medical imaging systems
  • Fume hood position

Do you need this product for your next project?

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Have it your way

Not exactly what you’re looking for? We offer standard products, but can also help you with a tailor-made or fully customized solution. Please contact us for advice or budgetary pricing.

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Technical Specifications

Specification Value
Accuracy ±0.25% to ±1%
Dimensions (mm.) 120 x 140 x 140 mm.
Housing material Polycarbonate with stainless steel bracket
IP rating IP50, IP51, IP67
Measuring cable Nylon-coated stainless steel
Operating temperature -40°C to 85°C
Range 101.6 - 1270 mm.