M-12 Series LVDT

M-12 Series LVDT Description: The M-12 Series of layer-wound LVDTs offer premium performance at standard LVDT pricing. The M-12 series are wound with state-of-the art, computerized winding machines on a ribless bobbin, resulting in the smooth transfer function required for the most demanding materials testing and position feedback applications. Precision […]

M-12 Series LVDT

Description:
The M-12 Series of layer-wound LVDTs offer premium performance at standard LVDT pricing. The M-12 series are wound with state-of-the art, computerized winding machines on a ribless bobbin, resulting in the smooth transfer function required for the most demanding materials testing and position feedback applications. Precision
distribution and tapering of the layer windings provide an excellent stroke to length ratio, without sacrificing sensor linearity.

Features:

  • Small 12mm diameter case
  • Low temperature coefficient of sensitivity
  • Excellent stroke to length radio
  • Smooth transfer function
  • Constant sum of secondardy output voltages
  • Electromagnetic shielding
  • AISI 304 Series stainless steel case
ELECTRICAL SPECIFICATIONS
Parameter M-12 10 M-12 20 M-12 30 M-12 50 M-12 65 M-12 100
Stroke range ±0.39
[±10]		 ±0.79
[±20]		 ±1.18
[±30]		 ±1.97
[±50]		 ±2.56
[±65]		 ±3.94
[±100]
Sensitivity,
V/V/inch
[mV/V/mm]		 1.07
[42.0]		 0.54
[21.2]		 0.25
[10.0]		 0.25
[9.9]		 0.22
[8.8]		 0.18
[7.1]
Output
at stroke ends (*)		 420
mV/V		 424
mV/V		 300
mV/V		 495
mV/V		 573
mV/V		 710
mV/V
Phase shift 3° 2° 2° 3° -2° -3°
Input
impedance
(PRIMARY)		 570Ω 1100Ω 1540Ω 780Ω 1500Ω 1000Ω
Output
impedance
(SECONDARY)		 540Ω 400Ω 600Ω 825Ω 920Ω 1700Ω
Non-linearity ±0.25% of FR, maximum
Input voltage 3 VRMS sine wave
Test frequency 2.5kHz
Null voltage 0.5% of FRO, maximum

 

ENVIRONMENTAL SPECIFICATIONS & MATERIALS
Operating temperature -65°F to 300°F [-55°C to 150°C]
Temperature coefficient of sensitivity 0.018% per degree F [0.01% per degree C]
Shock survival 500 g (11ms half-sine)
Vibration tolerance 20 g up to 2KHz
Housing material AISI 304 Series stainless steel
Electrical connection Six lead-wires, 26 AWG, PTFE insulated, 1 foot [0.3m] long

 

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ENVIRONMENTAL SPECIFICATIONS & MATERIALS
Operating temperature -65°F to 300°F [-55°C to 150°C]