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Home » All LVDT Products » Free Core » AC

AC LVDT Position Sensor 0.750" Diameter PR-750 Series

AC LVDT PR-750 Series from Macro Sensors
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SKU: PR-750
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Product Info:

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Macro Sensors’ PR 750 Series of 3/4" (19 mm) diameter AC-Operated LVDTs are general purpose contactless linear position sensors for both OEM applications and end user requirements. PR 812 and PRH 812 Series AC LVDTs are 0.812" (20.6 mm) diameter versions of the PR 750 Series and are designed primarily for use in legacy OEM applications and are not recommended for new designs. In most applications they are a cost effective form, fit, and function replacement LVDT for an OEM or user employing a competitor’s products of similar size and range.

Features

Standard 3/4 inch (19 mm) diameter
Ranges of ±0.050 inch to ±10 inches
Non-linearity less than ±0.25% of FRO
220°F (105°C) operating temperature
Coil assembly sealed to IEC IP-61
Magnetically-shielded SS housing

Application

Machine Tools
Materials Testing
Industrial Robots
Checkweigher Scales
Packaging Machinery
Valve Position Sensing
Hydraulic Cylinder Position

Brand Name: Macro Sensors
Made in: USA

Catalog Short Form:
application/pdf iconcatalog_shortform_08.pdf
Datasheet:
application/pdf iconpr_750_datasheet.pdf

Macro Sensors’ PR 750 Series of 3/4 inch (19 mm) diameter AC-Operated LVDTs are general purpose contactless linear position sensors for both OEM applications and end user requirements. They are available in full scale measuring ranges from ±0.050 inch (±1.25 mm) to ±10 inches (±250 mm) and offer a core-to-bore radial clearance of 0.031 inches (0.25 mm) with the standard core supplied. PR 750 Series sensors feature the high resolution, excellent repeatability, and low hysteresis associated with LVDT technology, as well as the highest sensitivity consistent with good linearity. The maximum linearity error for any of these sensors is ±0.25% of full range output, using a statistically best-fit straight line derived by the least squares method.

The proven reliability of PR Series LVDTs is a direct result of manufacturing processes and assembly techniques developed and optimized by Macro Sensors personnel over many years of making LVDTs. Their environmental robustness stems from the materials of their construction, such as glass-filled polymer coil forms for thermal stability and stainless steel housings that act as magnetic shields to reduce the effects of any external AC magnetic fields. Their external sealing meets IEC standard IP-61.

Macro Sensors offers several standard options that permit a user to customize PR 750 LVDTs, including  PTFE bore liners, metric threaded cores, smaller diameter cores for greater core-to-bore clearance or lower core mass, and construction for resistance to mild nuclear radiation. In addition to these standard options, Macro Sensors can design and produce a variety of special PR 750 LVDTs, including units with different lead wire colors, configurations, exit points, and connectors; vented units for operation in pressurized fluids; and units for higher ambient temperatures. Contact the highly experienced Applications Engineers at Macro Sensors for help with any special requirements.

Features

Standard 3/4 inch (19 mm) diameter
Ranges of ±0.050 inch to ±10 inches
Non-linearity less than ±0.25% of FRO
220°F (105°C) operating temperature
Coil assembly sealed to IEC IP-61
Magnetically-shielded SS housing

Applications

Machine Tools
Materials Testing
Industrial Robots
Checkweigher Scales
Packaging Machinery
Valve Position Sensing
Hydraulic Cylinder Position

UNIT SPECIFICATIONS

Input Voltage
3.0 Vrms (nominal)
Input Frequency
2.5 - 3.0 kHz
Linearity Error
<±0.25% of FRO
Repeatability Error
<±0.01% of FSO
Hysteresis Error
<±0.01% of FSO
Operating Temperature
-65°F to +220°F
Operating Temperature
-55°C to +105°C
Thermal Coefficient of Sensitivity
-0.01%/°F (nominal)
Thermal Coefficient of Sensitivity
-0.02%/°C (nominal)
Vibration Tolerance
20 g to 2 kHz
Shock Survival
1000 g, 11 ms

 

UNIT SPECIFICATIONS

PARAMETER
UNIT OF MEASURE
PR 
750
-050
PR
750
-100
PR 750
-200
PR 750
-500
PR 750
-1000
PR 750
-2000
PR 750
-3000
PR 750
-4000
PR 750
-5000
PR 750
-7500
PR 750
-10000
Nominal Range
Inches
±0.05
±0.10
±0.20
±0.50
±1.00
±2.00
 ±3.00
±4.00
±5.00
±7.50
 ±10.00
Nominal Range
Millimeter
±1.25
±2.5
±5.0
±12.5
±25
±50
 ±75
±100
±125
±190
 ±250
Sensitivity
mV/V/.001 Inch
6.5
4.0
2.4
0.65
0.65
0.39
0.26
0.18
0.13
0.12
0.08
Sensitivity
mV/V/Millimeter
255
155
95
25
25
15
10
7.1
5.1
4.3
3.1
Primary Impedance
Ohms
400
1000
1900
1400
1650
1875
1950
425
1050
1380
1050
Dimension "A"
Inches
1.13
1.75
2.50
5.02
6.51
10.02
12.75
15.20
17.75
22.85
30.64
Dimension "A"
Millimeter
28.7
44.5
63.5
127.5
165.4
254.5
323.9
386.1
450.9
580.4
778.3
Dimension "B"
Inches
0.80
1.25
1.65
3.45
3.45
5.30
6.20
6.20
6.20
7.00
9.50
Dimension "B"
Millimeter
20.3
31.7
41.9
87.6
87.6
134.6
157.5
157.5
157.5
177.8
241.3
Dimension "N"
Inches
0.56
0.88
1.25
2.51
3.25
5.01
6.38
7.60
8.88
11.43
15.32
Dimension "N"
Millimeter
14.3
22.2
31.7
63.7
82.5
127.2
161.9
193.0
225.4
290.2
389.1
Weight, Body
Ounces
0.9
1.4
1.7
2.8
3.8
5.0
7.7
9.8
11.7
16.9
20.5
Weight, Body
Grams
26
40
48
80
108
142
218
278
332
480
582
Weight, Core
Ounces
0.14
0.22
0.30
0.72
0.72
1.20
1.34
1.34
1.34
1.51
2.20
Weight, Core
Grams
4.0
6.2
8.5
20.4
20.4
34.0
41.7
41.7
41.7
42.8
62.4
AC LVDT Position Sensor 0.750" Diameter PR-750 Series

Harold G. Schaevitz Industries LLC

The Sensor Connection

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Bloomfield Hills, MI 48304

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