SM Series LVDT - 2.3 mm Diameter

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SM Series LVDT - 2.3 mm Diameter

This micro-miniature LVDT is designed for high resolution position measurement in tight places. It is layer wound on metal coil-form provides excellent stability, while ferromagnetic housing takes care of the electromagnetic and electrostatic shielding.

Several options are available for signal conditioning: digital or analog EL-35 signal conditioners and USB-10 or USB-10-4 digital controllers, manufactured by Singer Instruments & Control.

Different versions of this LVDT can be manufactured by request.

Applications

  • robotic systems - miniature control elements;
  • miniature sensors - force, torque, joint movements;
  • optical components - linear/angular position;
  • medical use - micro motion, deformation.

Specifications

Input voltage 2.3Vrms max
Input Frequency 5kHz (nominal)
Linearity deviation error 2.0% F. R. max
Operating temperature
range
-20°C to +70°C
Housing material Nickel-Iron Alloy

Dimensions (mm)

Notes
LVDT core is supplied together with welded connecting rod.
Connecting rod is labelled with red point.

Wiring

TYPE Linear Range Sensitivity
(tested at 5kHz) 
Impedance
(tested at 5kHz) 
Resistance Length
mm V/mm/Vex Ω Ω mm
Prim. Sec. Prim. Sec. A B
SM-1.0A ±1.0 0.07 190 50 115 45 10.0 6.5
SM-1.0B 18.0
SM-2.5A ±2.5 0.044 310 70 170 65 17.5 11.0

SM-2.5B

25.5
SM-5.0A ±5.0 0.044 170 70 90 60 27.5 17.0
SM-5.0B 35.5
SM-7.0A  ±7.0  0.029 205 90 130 80 35.0 19.5
SM-7.0B 43.0
SM-8.5A  ±8.5  0.02 240 110 165 100 43.0 26.2
SM-8.5B 51.0

How to order
Ordering example: Model number: LVDT SM | 7.0A-3m (supplied with 3 meter long connecting wires).