SDTxx Resistive Linear Position Sensor | Multiple Industrial Configurations

Industrial linear resistive sensor • 10 to 200 mm • multiple versions • infinite resolution

The SDTxx series It is a range of industrial resistive linear position sensors Designed for precise linear displacement measurement in automation, OEM machinery, hydraulic systems, and position control applications.

Available in multiple mechanical configurations —with or without a probe, spring, ball joint or roller versions— this series offers a versatile, robust and easily integrated solution for a wide variety of industrial applications.

Its construction incorporates aluminum body, stainless steel shaft, resistive track of Conductive plastic manufactured in Switzerland and gold-plated skates, providing high electrical stability, excellent corrosion resistance and long service life.

Main features

  • Available travel ranges from 10 to 200 mm
  • Multiple mechanical configurations SDT / SDTS / SDTR / SDTRS / SDTRR / SDTRRS
  • Versions with probe, spring, ball joint or roller
  • virtually infinite resolution
  • Repeatability: ±0.01 mm
  • Linearity up to ±0.05 %
  • Anti-corrosion gold-plated skates
  • Swiss-made resistive track
  • Easy assembly using side clamps
  • Service life exceeding 6 million maneuvers
  • Optional 4-20 mA / 0-10 V / RS485 output via converter

Applications

  • Industrial automation
  • Cylinder and actuator control
  • Special machinery
  • Hydraulic and pneumatic systems
  • Test benches
  • Linear displacement measurement
  • Position control in OEM machinery

Manufactured by DPF Sensors, a manufacturer specializing in industrial linear displacement and positioning sensors.

Properties

TechnologyResistive linear position sensor (linear potentiometer)
Route10 / 25 / 50 / 75 / 100 / 125 / 150 / 175 / 200mm
Linearity±0.3 % to ±0.05 % depending on range
ResolutionInfinite
Repeatability±0.01 mm
Maximum speed2 m/s
Working temperature-20 ºC to +90 ºC
Body materialAluminum
Axle materialStainless steel
Resistive trackConductive plastic manufactured in Switzerland
ContactsAnti-corrosion gold-plated skates
Shelf life> 6 million maneuvers

Other products

Isolated pulse frequency converter (0.01 to 100 KHz)
LOGO TORQUE CERTIFICATION
Dual Inductive Metrology | Limit 5,000 N·m | 15,000 RPM | PCD Flange 155.5 mm | Accuracy 0.05% | Inertia 0.0165 kg·m²
LOGO TORQUE CERTIFICATION
Digital Inductive Coupling | 2,500 – 20,000 N·m | 17,000 RPM | PCD Flange 196.0 mm | Inertia 0.0788 kg·m²
Official logo of ELCIS Encoder, Italian manufacturer of incremental and absolute encoders and industrial measurement systems.
I/115E – Incremental Encoder Ø 115 mm, solid shaft Ø 11 mm × 31 mm, robust metal body, resolution up to 10,000 dpi
B&C ELECTRONICS Logo 2026 WATER QUALITY
4 electrodes, K=1cm-1 (2 to 2,000mS) 1″ BSP thread, PVC body material, PT-100 for temperature measurement, up to 80ºC, 7pin connector
Equipment for high-precision inclination measurement on 1 or 2 axes, range +-15º, accuracy 0.005º, resolution 0.001º
Monitran-Logo
Top or Side Input | Load Output (No Amp) | Sensitivity 5 to 1100 pC/g | Frequency 1Hz-30kHz | Dynamic Range up to ±2000g | Mass 7g to 250g | Temp. -55 to 250°C | IP65/IP66 Protection | Stainless Steel | Microdot Connector
Zero-crossing solid-state relay specifically designed for resistive loads. (AC) 50A/75A with heatsink rail, 22.5mm width
1 load cell input converter module (bridge), allows up to 4 cells to be connected to the same input, and mediates the signal. RS485-Modbus output. 19 to 40 V DC power supply.
Shopping Basket