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The GHSA-R 750-A rugged, hermetically sealed sensors are constructed entirely of stainless steel and intended for general industrial use.  The coil windings are sealed against hostile environments to IEC standard IP-68. Electrical termination is through a radially mounted sealed connector, which results in a much reduced installed length. The mating connector plug is supplied with the unit. The sensor consists of an air-extend/spring-retract shaft running in a precision sleeve bearing and connected to the core of an LVDT. The shaft is extended by introduction of a low-pressure (10-30 psi), clean, dry air supply, with a regulated flow, through a barbed fitting on the end of the unit for ¼ inch I.D. hose. With the release of pressure, an internal spring returns the probe to its retracted position. The use of a precision sleeve bearing results in measurement repeatability of ±0.01% of full range output or better. 


  • Low pressure air-extend/spring-retract plunger
  • Ranges of ±0.050 inch to ±2.00 inches
  • Non-linearity less than ±0.25% of FRO
  • Repeatability of ±0.01% of FRO
  • Radial connector with mating plug included
  • Coil environmentally sealed to IEC IP-68 

Please review product documents or contact us for the latest agency approval information.  

Electrical Characteristics

  • Supply Voltage (V) 3

  • Excitation Frequency (kHz) 2.5

  • Electrical Connections  PT02A-10-6P

Body Features

  • Spring Loaded  Spring Loaded

Housing Features

  • Housing Material  Stainless Steel

  • Housing Diameter 19.05 mm [ .75 in ]


  • Full Stroke Ranges (mm) ±1.27, ±12.7, ±12.7, ±25.4, ±3.17, ±50.8, ±6.35

  • Full Stroke Ranges (in) ±.05, ±.125, ±.25, ±.5, ±1, ±2

Usage Conditions

  • Operating Temperature -55 – 105 °C [ -67 – 221 °F ]

  • IP Rating  68


  • Linearity (% of Span) ±.25

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