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Home » All LVDT Products » Spring Loaded » DC

4-20 mA LVDT Position Sensor Spring Loaded Radial GHSIR-750 Series

4-20 mA LVDT Position Sensor Spring Loaded Right Angle Connector
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SKU: GHSIR-750
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Macro Sensors’ GHSIR 750 Series of 3/4 inch (19 mm) diameter, spring-loaded, 4-20 mA loop-powered LVDT position transmitters are designed for a wide range of position monitoring and feedback applications. These rugged hermetically sealed sensors are constructed entirely of stainless steel, and are intended for general industrial use. The coil windings are sealed against hostile environments to IEC standard IP-68 and input/output connections are made through a sealed radial (GHSIR) connector. The radial connector offers two important benefits. First, it results in a through-bore design, which allows for air purging of the sensor's bearings to remove potential contaminants. The second advantage of the radial connector is shorter installed length compared to units of the same range with axial connectors. The mating connector plug is supplied with the unit.

The sensor consists of a spring loaded shaft running in a precision sleeve bearing and connected to the core of an LVDT. The use of a precision sleeve bearing results in measurement repeatability of 0.0001 inches (2.5 ?m) or better. The probe shaft is fully extended by a spring exerting a nominal force of 6 to 20 ounces depending upon total range. The contact tip supplied is an AGD standard number 9 made from black oxide hardened tool steel. It is fully interchangeable with other 4-48-threaded AGD contact tips.

Macro Sensors also offers an air-extend/spring-retract version of the radial model. The GHSIR 750-A is designed for a wide range of cycled position monitoring, feedback, and automated dimensional gaging applications where it is necessary or desirable to move the probe out of the way between readings. The shaft is extended by introduction of a low-pressure (10-30 psi), clean, dry air supply, with a regulated flow, through a 1/4 inch barbed fitting on the end of the unit. With the release of pressure, an internal spring returns the probe to its normal position.GHSIR 750 Series transmitters offer the frictionless operation, high resolution, excellent repeatability, and low hysteresis associated with LVDT technology, along with the convenience and simplicity of precalibrated 4-20 mA current loop operation. Units operate either as 2-wire loop-powered or 3-wire sourcing externally powered. The built-in electronics operate over a wide range of loop supply voltages and resistances, and are designed to operate with many PLCs, digital indicators, A/D converters, computer-based data processors, and QC data collection systems.

Available in ranges of 0.100 inch (2.5 mm) to 4.00 inches (100 mm), the linearity error for GHSI and GHSIR 750 Series sensors is ±0.10% of full range output or better using a statistically best-fit straight line derived by the least squares method.

For simplified mounting the GHSIR 750 Series has a 1/2-20 UNF-2A thread on the front of the housing, permitting the user to install the LVDT in a mating threaded part or by using the two hex nuts furnished with the sensor. This results in a ready-to-use package for position measurements and longer range gaging applications.

Features

  • - Ranges of 0.100" to 4.00" [2.5 mm to 100 mm]
  • - 4-20 mA input/output
  • - Repeatability of 0.0001" [2.5 µm]
  • - Non-linearity of ±0.10% of FRO or better
  • - In-line connector (GHSI) or radial through-bore (GHSIR); mating plug for connector included
  • - Low pressure air-extend/spring-retract version available (GHSIR 750-A)
  • - Environmentally sealed to IEC IP-68

Applications

  • - Industrial gaging systems
  • - Steam turbine shell expansion
  • - Safety valve seating verification
  • - Materials testing apparatus
  • - Pinch and gap roller alignment

Brand Name: Macro Sensors
Made in: USA

Catalog Short Form:
application/pdf iconcatalog_shortform_08.pdf
Datasheet:
application/pdf iconghsir_datasheet.pdf
4-20 mA LVDT Position Sensor Spring Loaded Radial GHSIR-750 Series4-20 mA LVDT Position Sensor Spring Loaded Radial GHSIR-750 Series

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