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Magnetostrictive Displacement Sensor
Magnetostrictive Displacement Sensor

Magnetomechanical displacement sensors are high-precision displacement measurement devices developed based on the magnetostrictive principle. They use non-contact measurement methods, have long service life, strong environmental adaptability, and do not require regular calibration or maintenance. The product provides absolute output, so no zeroing is needed after restart. It features high precision, high stability, high reliability, and high repeatability. It supports various output methods such as current, voltage, SSI, and Modbus, and is widely used in demanding industrial environments like oil, chemical, steel, port, mechanical, and food industries. It is the preferred choice for high-precision displacement control.

APPLICATIONS
  • Transportation
    Transportation
  • Precise measurement
    Precise measurement
  • Mechanical equipment
    Mechanical equipment
  • Industrial manufacturing
    Industrial manufacturing
BASIC PARAMETERS
SDM20TSDM21TSDM22TSDM23TSDM40S
Power supply7 ~28V DC
Working current≥100mA
Range80-3000mm
Output signalRS485 output (four-wire system, power supply voltage 7~28VDC)
0.5~4.5VDC (four-wire system, power supply voltage 7~28VDC)
0~5VDC (four-wire system, power supply voltage 7~28VDC)
0~10VDC (four-wire system, power supply voltage 12~28VDC)
0~20mA (four-wire system, power supply voltage 18~28VDC)
4~20mA (four-wire system, power supply voltage 18~28VDC)
Measurement object1
Resolution0.001mm
Nonlinearity0.1%F.S.
Repetitive error≤0.01%F.S
Load capacityThe minimum load for voltage signal output is ≥ 5KΩ.
The maximum load resistance for current signal output is 600Ω.
Update time1 ms (stroke ≤ 1000 mm) / 2 ms (stroke ≤ 3000 mm)
Operation temperature-40℃ ~ +85℃
Mechanical impact test500g/GB/T 2423.5-2019
Mechanical vibration testing15g/30Hz-1000Hz/GB/T 21117-2007
Work stressThe stainless steel measuring rod has a pressure resistance of 35 MPa, higher options available upon consultation.
Delay≤ 0.002%F.S.
Temperature coefficient<50ppm/℃
Protection ratingIP67 (customizable to IP68)
BASIC PARAMETERS

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DIMENSIONS

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