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AC LVDT Position Sensor Hermetically Sealed LHA-19-A Series

For use in:
Cylinder/Actuator Position Feedback
Steel/Aluminum/Paper Mills
Factory Automation
Food Processing
Valve Position
AC LVDT Position Sensor Hermetically Sealed LHA-19-A Series
LHA-19-A Series
Hermetically Sealed AC LVDT
Rugged for Harsh Enviroments

The LHA-19-A series AC LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are hermetically sealed, contactless devices designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, robotic assembly systems, pharmaceutical and food processing, and outdoor wet environment applications. These ruggedized linear devices have excellent price vs performance and stroke-to-length ratio, making the LHA-19-A AC-LVDT sensors ideal for use in power generation and industrial automation equipment, and many OEM positioning applications.

LHA-19-A series AC LVDTs are offered in 11 ranges from +/-.050 to +/-10.0 inches (+/-1.27 to +/-254.0 mm) with excellent linearity and infinite resolution. LHA-19-A series AC-LVDTs operate from a nominal 3 Vrms, 2.5 - 3.3 kHz excitation source. They are packaged in a 0.750 inch (19.0 mm) OD SS housing and are offered with either an imperial or metric threaded 0.188 inch (4.8 mm) diameter core, 6-pin PTO2A-10-6P connector, and have a 0.235 inch (6.0 mm) ID for good core-to-bore clearance. They feature a wide operating temperature range.

When mated with ASG’s industrial AC-LVDT DIN-rail-mountable signal conditioner, a LHA-19-A series AC-LVDT becomes part of a complete measurement solution. ASG AC LVDTs are also offered in other diameters and longer range versions, including the LA-9.5, LA-19, LA-20.6, LA-21, LA-25, and LA-27.

For more information, see the technical datasheets below.


Features
  • Hermetically Sealed AC LVDT
  • Welded ¾ inch OD Stainless Steel Housing
  • Axial PTO2A-10-6P connector
Options
  • Metric Threaded Core
Specifications
Available Ranges: +/-0.050, 0.125, 0.250, 0.500, 1.0, 2.0, 3.0, 4.0, 5.0, 7.5, and 10.0 inches
Excitation Frequency: 2.5 to 3.3 kHz
Excitation Voltage: 3 V ACrms nominal
Linearity Error : ≤ +/-.25% of FSO (typical .15%)
Null Voltage: .≤ 005% of FSO
Operating Temperature: -65 to 220°F (-55 to 105 C )
Temperature Coefficient: ≤-0.02% FSO/K
Humidity: 90% R.H., 240 Hours
Shock: 1000g, 11 msec
Vibration: 20 g to 2 kHz
Ordering Information

Series
Name

Body Diameter

Termination
Topology

Bipolar Range (inches)

I/O Connection


Options

LHA

XX-

X-

XXXX-

XX

XX

 

19 - 19 mm (0.75 inch)

A - Axial

0.05 - ±.050

02 - 6-pin PT02H-10-6P

06 - Metric Threaded Core

 

 

 

0.12 - ±.125

 

 

 

 

 

0.25 - ±.250

 

 

 

 

 

0.5 - ±.500

 

 

 

 

 

01 - ±1.0

 

 

 

 

 

02 - ±2.0

 

 

 

 

 

03 - ±3.0

 

 

 

 

 

04 - ±4.0

 

 

 

 

 

05 - ±5.0

 

 

 

 

 

07.5 - ±7.5

 

 

 

 

 

10 - ±10.0

 

 

 


Configuration Information

PT02-10-6P Connector Wiring Table

Pin

I/O Function

A

Secondary 1

B

Secondary 1*

C

Secondary 2*

D

Secondary 2

E

Primary

F

Primary

*Connect pin B to pin C for differential secondary output

 

Nominal Range

Sensitivity

Primary Z

Body Length A

Core Length B

Null Point N

Body Weight

Core Weight

inches [mm]

mV/V/.001in [mm]

Ohms

inches [mm]

inches [mm]

inches [mm]

oz. [grams]

oz. [grams]

±0.05 [1.3]

6.10 [240]

325

2.01 [51.1]

0.80 [20.3]

0.63 [16]

1.6 [45]

0.08 [2.4]

±0.12 [3.0]

3.90 [155]

735

2.64 [67.1]

1.25 [31.7]

0.94 [24]

2.1 [59]

0.12 [3.7]

±0.25 [6.3]

2.40 [96]

1400

3.35 [85.1]

1.65 [41.9]

1.32 [33]

2.5 [71]

0.18 [4.8]

±0.50 [12.5]

0.63 [25]

1200

5.92 [150.4]

3.45 [87.6]

2.57 [65]

3.3 [93]

0.40 [11.6]

±1.00 [25]

0.61 [24]

1250

7.38 [167.5]

3.45 [87.6]

3.32 [84]

4.3 [122]

0.40 [11.6]

±2.00 [50]

0.37 [15]

2150

10.91 [277.1]

5.30 [134.6]

5.07 [129]

6.2 [176]

0.65 [18.0]

±3.00 [75]

0.25 [9.8]

2150

13.85 [346.1]

6.20 [157.5]

6.29 [160]

8.2 [232]

0.80 [22.0]

±4.00 [100]

0.17 [6.7]

420

16.17 [410.7]

6.20 [157.5]

7.65 [194]

9.2 [260]

0.80 [22.0]

±5.00 [125]

0.12 [4.7]

600

18.65 [473.8]

6.20 [157.5]

8.94 [227]

10.0 [283]

0.80 [22.0]

±7.50 [190]

0.11 [4.3]

775

23.85 [605.8]

7.00 [177.8]

11.52 [293]

14.2 [402]

0.90 [25.5]

±10.00 [250]

0.07 [2.8]

620

31.68 [804.7]

9.50 [241.3]

15.42 [392]

18.3 [519]

1.20 [34.0]

 

 


AC LVDT Position Sensor Hermetically Sealed LHA-19-A Series
All dimensions and specifications are nominal. With our policy of on-going development and design improvements, specifications may change without notice. Modifications may affect some or all of the mechanical electrical and or performance specifications of our product. Please make sure to contact us for the most up to date information.
Download AC LVDT Position Sensor LHA-19-A Position Sensor Datasheet
Download AC LVDT Position Sensor LHA-19-A Outline Drawing

Our Technical Support Staff:  We have more than 150 years and three generations in the position sensor business and are expert application engineers at what we sell. We have real world experience and know how to solve your measurement challenges. Need technical help with your measurement application? Call us today 856-727-0250. 

Our Web Site: We are constantly improving our website and adding new sensors to our product offerings.

 

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Distributors For:

HGSI Temperature Sensing Products

Temperature Sensing Products

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