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SensorsX SX-DMNSB Magnetostrictive Linear Position Sensor
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SX-DMNSB Series

The SensorsX SX-DMNSB series provides non-contact, absolute position measurement for industrial machinery and hydraulic systems. Its flange-mounted design supports installation inside hydraulic cylinders. Multiple analog and digital output options are available to suit different control systems, depending on the selected configuration.

  • Stroke: 50–3,000 mm.
  • Performance: Nonlinearity < ±0.02% FS; repeatability 0.005 mm; fluctuation < ±0.01% FS; update time <1 ms.
  • Overall Accuracy: Available in 0.10%, 0.25%, or 0.50% FS.
  • Output / Power: 4–20 mA, 0–5 V, 0–10 V, SSI, Modbus, PROFIBUS or CANopen; 24 V DC.
  • Pressure / Protection: 350 bar rated pressure; 700 bar peak; IP67; operating temperature −40 to +75 °C.
  • Materials: Head: 304 stainless steel and aluminum; rod: 316 stainless steel.
  • Connection: Direct cable or M16×1 male, 6-pin connector; Ø79 mm flange with six mounting holes; 15×2 mm O-ring.
  • Electrical: Current consumption of 50–140 mA, depending on stroke range; analog outputs use 4-wire connections.
  • Vibration / Shock Resistance: 20 g vibration resistance at 5–2,000 Hz; 100 g shock resistance.
  • Mounting: End support for strokes below 400 mm; end mounting with an M4 threaded hole for strokes above 400 mm.
Ordering Code
$822.00

Product Overview

The SX-DMNSB Series is a magnetostrictive linear position sensor for non-contact, absolute position measurement in industrial machinery and hydraulic systems. It is available with measuring strokes from 50 to 3,000 mm and is designed for installation inside hydraulic cylinders. Analog output and digital interface options are available, depending on the selected model. The sensor has an IP67 ingress protection rating, and the sensor tube is rated for 35 MPa (350 bar), with a peak pressure
rating of 70 MPa (700 bar).

Main Features

  • Non-contact measurement
  • Multiple signal outputs 0-5 V, 0-10 V, 4-20 mA, synchronous serial interface(SSI)
  • Designed for installation inside hydraulic cylinders
  • Nonlinearity accuracy up to 0.02% FS
  • High pressure resistance & IP67 Pressure resistance up to 700 bar(10,153psi); protection rating IP67

Product Application

Typical Applications

Mechanical equipment Hydraulic and pneumatic transmission equipment Inside hydraulic cylinders

Technical Data

Measurement
Measuring Principle Magnetostrictive; non-contact, absolute position measurement
Stroke Length 50–3,000 mm; stroke options: 50, 100, 200, 300, 1,000, or 3,000 mm
Nonlinearity < ±0.02% FS
Power & Output
Output Signal 4–20 mA, 0–5 V, 0–10 V, PROFIBUS, Modbus, CANopen, or SSI (model-dependent)
Operating Voltage 24 V DC
Current Consumption 50–140 mA (depending on stroke range)
Electrical Connection 6-pin DIN male connector or direct cable outlet; M16×1 male, 6-pin connector option
Electrical Ground / Machine Ground 500 V between electrical ground and machine ground
Analog Output Wiring 4-wire: 4–20 mA, 0–5 V, or 0–10 V
Mechanical & Materials
Sensor Head Material 304 stainless steel and aluminum
Sensor Rod Material 316 stainless steel
Pressure Rating (Sensor Tube) 35 MPa (350 bar); 70 MPa (700 bar) peak
Flange Mounting Ø79 mm flange; six Ø6.5 mm through holes equally spaced on Ø64 mm pitch circle; Ø11 mm counterbore, 28.5 mm deep
Spigot / Mounting Bore Spigot Ø18h6; mounting bore Ø18G7, Ra <0.8, H7 or F7
Seal O-ring, 15×2 mm
Performance
Repeatability 0.005 mm
Fluctuation < ±0.01% FS
Update Time < 1 ms
Overall Accuracy Options 0.10%, 0.25%, or 0.50% FS
Environmental Conditions
Operating Temperature −40 to +75 °C
Protection / Vibration / Shock IP67; vibration: 20 g (5–2,000 Hz); shock: 100 g

 

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