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Home » All LVDT Products » Free Core » AC

AC LVDT High Temperature Position Sensor HSTA-750 Series

AC LVDT High Temperature Position Sensor
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SKU: HSTA-750
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Product Info:

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Macro Sensors’ HSTA 750 Series of 3/4 inch (19 mm) diameter AC-operated LVDTs is designed for a wide range of position measurement applications. These are rugged hermetically sealed sensors, constructed entirely of stainless steel, and intended for use at high temperatures (400°F). The coil windings are sealed against hostile environments to IEC standard IP-68 and electrical termination is through a sealed axial connector. The mating connector plug is supplied with the unit.

Features

Ranges of ±0.050 inch to ±10.0 inches
400°F (200°C) operating temperature
In-line connector, mating plug included
Environmentally sealed to IEC IP-68
Non-linearity less than ±0.25% of FRO

Applications

Beam scraper positioning feedback
Hydraulic cylinder position
Steam valve postioning
Power generation applications
Corrosive environments

Brand Name: Macro Sensors
Made in: USA

Catalog Short Form:
application/pdf iconcatalog_shortform_08.pdf
Datasheet:
application/pdf iconhsta_750_datasheet.pdf

Macro Sensors' HSTA 750 Series of 3/4 inch (19 mm) diameter AC-operated LVDTs is designed for a wide range of position measurement applications. These are rugged hermetically sealed sensors, constructed entirely of stainless steel, and intended for use at high temperatures (400°F). The coil windings are sealed against hostile environments to IEC standard IP-68 and electrical termination is through a sealed axial connector. The mating connector plug is supplied with the unit.

Available in ranges of ±0.050 inch (±1.25 mm) to ±10.0 inches (±250 mm), HSTA 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. Macro Sensors offers several standard options that permit a user to customize HSTA 750 LVDTs, including PTFE bore liners and metric threaded cores, as well as smaller diameter and low mass cores. In addition, Macro Sensors can provide a range of mounting accessories and core extension rods. HSTA Series units can also be supplied to withstand exposure to mild radiation (3x107 Rads). On special order, the HSTA 750 Series can also be constructed for immersion in pressurized fluids.

 

Features

Ranges of ±0.050 inch to ±10.0 inches
400°F (200°C) operating temperature
In-line connector, mating plug included
Environmentally sealed to IEC IP-68
Non-linearity less than ±0.25% of FRO

Applications

Beam scraper positioning feedback
Hydraulic cylinder position
Steam valve postioning
Power generation applications
Corrosive environments

 

GENERAL SPECIFICATIONS

Input Voltage
3.0 Vrms (nominal)
Input Frequency
2.5 to 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 +400°F
Operating Temperature
-55°C to +200°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
HSTA 750
-050
HSTA 750
-125
HSTA 750
-250
HSTA 750
-500
HSTA 750
-1000
HSTA 750
-2000
HSTA 750
-3000
HSTA 750
-4000
HSTA 750
-5000
HSTA 750
-7500
HSTA 750
-10000
Nominal Range
Inches
±0.050
±0.125
±0.25
±0.50
±1.00
±2.00
 ±3.00
±4.00
±5.00
±7.50
 ±10.00
Nominal Range
Millimeter
±1.3
±3.0
±6.3
±12.5
±25
±50
 ±75
±100
±125
±190
 ±250
Sensitivity
mV/V/
.001 Inch
6.1
3.9
2.4
0.63
0.61
0.37
0.25
0.17
0.12
0.11
0.07
Sensitivity
mV/V/
Millimeter
240
154
96
25
24
15
9.8
6.7
4.7
4.3
2.8
Primary Impedance
Ohms
325
735
1400
1200
1250
2150
2150
420
600
775
620
Dimension "A"
Inches
2.01
2.64
3.35
5.92
7.38
10.91
13.65
16.17
18.65
23.85
31.66
Dimension "A"
Millimeter
51.1
67.1
85.1
150.4
187.5
277.1
346.1
411
473.7
606
804
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
0.63
0.94
1.32
2.57
3.32
5.07
6.29
7.65
8.94
11.52
15.42
Dimension "N"
Millimeter
16
24
33
65
84
129
160
194
227
293
392
Weight, Body
Ounces
1.6
2.1
2.5
3.3
4.3
6.2
8.2
9.2
10.0
14.2
18.3
Weight, Body
Grams
45
59
71
93
122
176
232
260
283
402
519
Weight, Core
Ounces
0.08
0.12
0.18
0.40
0.40
0.65
0.80
0.80
0.80
0.90
1.20
Weight, Core
Grams
2.4
3.7
4.8
11.6
11.6
18
22
22
22
25.5
34
AC LVDT High Temperature Position Sensor HSTA-750 Series

Harold G. Schaevitz Industries LLC

The Sensor Connection

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42690 Woodward Avenue

Suite 200

Bloomfield Hills, MI 48304

Phone: 248-636-1515  

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