GHSER-750-A TE Macro Sensors DC LVDT


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The Macro Sensors GHSER 750-A Series of 3/4 inch diameter spring-loaded DC-LVDTs is an air-extend/spring-retract version of the GHSER-750 radial model. The GHSER 750-A is designed for a wide range of cycled position measurement and automated dimensional gaging applications where it is necessary or desirable to move the probe out of the way between readings. These 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 a 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 0.000025 inches (0.6 ìm) or better. 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. The contact tip supplied is an AGD standard number 9 made from chrome plated hardened tool steel. It is fully interchangeable with other AGD contact tips.

Built-in electronics result in position sensors that operate from a DC input and generate a precalibrated DC output. The output from the GHSER 750-A Series are designed to operate in conjunction 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 2.00 inches (50.0 mm), the maximum linearity error for a GHSER 750-A Series sensor is ±0.10% of full range output using a statistically best-fit straight line derived by the least squares method.


Ranges of 0.100 inch to 2.00 inches
Radial connector, mating plug included
Air Extend, Spring Retract
24 V DC input, precalibrated 0 to 10 V DC output
Repeatability of 0.000025 inch
Non-linearity less than ±0.25% of FRO
Coil environmentally sealed to IEC IP-68
Through-bore design

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LVDT Bi-Polar Measuring Range
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