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Home » All LVDT Products » Spring Loaded » DC

Position Sensor LVDT Spring Loaded +/- 15 VDC Input Radial GHSDR-750 Series

Position Sensor LVDT Spring Loaded +/- 15 VDC Input Radial GHSDR-750
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SKU: GHSDR-750
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The Macro Sensors GHSDR 750 Series of 3/4 inch diameter spring-loaded DC-LVDTs are designed for a wide range of position measurement and dimensional gaging applications. 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 through-bore design allows for air purging of the sensor’s bearings to remove potential contaminants.

Features

Ranges of ±0.050 inch to ±2.00 inches
Radial connector, mating plug included
±15 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

Applications

Industrial gaging systems
Electronic dial indicators
Fabricated metal products gaging
Materials testing apparatus
Large shaft TIR measurements

Brand Name: Macro Sensors
Made in: USA

Catalog Short Form:
application/pdf iconcatalog_shortform_08.pdf
Datasheet:
application/pdf iconghsdr_750_datasheet.pdf

The Macro Sensors GHSDR 750 Series of 3/4 inch diameter spring-loaded DC-LVDTs are designed for a wide range of position measurement and dimensional gaging applications. 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 through-bore design allows for air purging of the sensor’s bearings to remove potential contaminants.

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 µm) 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 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 GHSDR 750 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 ±0.050 inch (±1.25 mm) to ±2.00 inches (±50.0 mm), the maximum linearity error for a GHSDR 750 Series sensor is ±0.25% of full range output using a statistically best-fit straight line derived by the least squares method.

For simplified mounting the GHSDR 750 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.

 

GENERAL SPECIFICATIONS

Input Power
±15 V DC, ± 25 mA
Full Scale Output
0 to ±10 V DC
Linearity Error
<±0.25% of FRO
Repeatability Error
0.000025% inch (0.6 µm)
Operating Temperature
0°F to +160°F
Operating Temperature
-20°C to +70°C
Thermal Coefficient of Scale Factor
-0.015%/°F (nominal)
Thermal Coefficient of Scale Factor
-0.027%/°C (nominal)

 

UNIT SPECIFICATIONS

PARAMETER UNIT OF MEASURE GHSDR 750-050 GHSDR 750-125 GHSDR 750-250 GHSDR 750-500 GHSDR 750-1000 GHSDR 750-2000
Nominal Range
Inches ±0.050 ±0.125 ±0.25 ±0.50 ±1.00 ±2.00
Nominal Range
Millimeter ±1.25 ±3.0 ±6.3 ±12.5 ±25 ±50
Scale Factor
V/Inch 200 80 40 20 10 5
Scale Factor
V/Millimeter 8.0 3.3 1.6 0.8 0.4 0.2
Pretravel
Inch 0.12 0.13 0.10 0.10 0.05 0.02
Pretravel
Millimeter 3.0 3.3 2.5 2.5 1.3 0.5
Overtravel
Inch 0.12 0.13 0.10 0.10 0.05 0.02
Overtravel
Millimeter 3.0 3.3 2.5 2.5 1.3 0.5
Dimension "A"
Inches 5.46 6.10 6.86 11.36 13.82 21.75
Dimension "A"
Millimeter 139 155 174 289 351 553
Dimension "B"
Inches 4.36 4.99 5.75 9.87 11.40 17.19
Dimension "B"
Millimeter 111 127 146 251 291 437
Dimension "C"
Inches 2.82 3.44 4.20 6.70 8.20 11.71
Dimension "C"
Millimeter 72 87 107 170 208 297
Weight
Ounces 3.1 3.6 4.3 6.4 6.7 10.5
Weight
Grams 85 102 170 180 185 296
Position Sensor LVDT Spring Loaded +/- 15 VDC Input Radial GHSDR-750 Series

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