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LVDT Linear Position Sensors with DC and Current | NEW

0 to 50 mm, 4 to 20 mA Output
  • RoHS Icon


Item# LD630A-50

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $755.33
10-24 $717.56
25-49 $702.46
50-99 $672.24
100+ $657.14

In stock

Lead Time (If not in stock): 8 weeks
0 to 50 mm, 4 to 20 mA Output LD630A-50 LD630A-50
  • Models with 0.25% Linearity
  • 10 to 200 mm Total Travel Lengths Available
  • Rugged Stainless Steel Body
  • IP67 Environmental Rating

LD630A-50 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Electrical Output
Housing Length
IP Rating
Housing Diameter/Width

  • Cable Length 1m (3.2')
  • Housing Material 304 SS
  • IP Rating IP67
  • Operating Temperature -77 to 185°F (-25 to 85°C)
  • Output 0 to 10 Vdc (LD621A) or 4 to 20mA (LD630A)
  • Power 15 to 28 Vdc
  • Repeatability 0.01%
  • Resolution 0.1 μm

The LD600A Series of linear displacement transducers is the perfect combination of high accuracy and ruggedness to suit most general purpose applications. Not only do these products have up to 0.25% linearity, but they are also rated IP67 with a 304 stainless steel case that is hermetically sealed.There are two output options available - a DC voltage output (LD621A) and a 4 to 20 mA output (LD630A).


A Dimension mm (in.) B Dimension mm (in.)
0 to 10 mm 109 (4.29) 12.5 (0.49)
0 to 25 mm 169 (6.65) 29.5 (1.16)
0 to 50 mm 209 (8.23) 55 (2.17)
0 to 100 mm 291.3 (11.5) 125 (4.92)
0 to 200 mm 340 (13.38) 250 (9.84)

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Dear Sir, Can we use this LVDT instead of LD630-50? Is this sensor is coming with connector and if so the length of the connector?

Asked by: Arun
Thank you for your inquiry, the LD630A-50 come’s equipped with connectors and 1m cables.
Answered by: rkent
Date published: 2022-11-14

What is the acceptable excitation voltage for 10 VDC output?

Asked by: Ian1
Thank you for your inquire The voltage should be between 15 to 28 vdc
Answered by: application engineer je
Date published: 2021-11-04

What size and style is the connector???

Asked by: Josh man
@joshman, thank you for contacting us. This will be a M16 Metric 16 mm.
Answered by: SAE d
Date published: 2023-07-28

Can this series be ordered with a spring like the LD620 series could? Does this come with any type of mount like LD620 series?

Asked by: Process Engineer
There is no option for spring loading. No mounts included.
Answered by: Applicatrions Engineer JK
Date published: 2024-01-20

What is the Voltage output response rate? And what is the max velocity or cycle-stroke rate that it can endure and accurately report position?

Asked by: Mr Harper
Please contact us at for details.
Answered by: Applicatrions Engineer JK
Date published: 2024-01-20

Could you please provide information about the resolution and repeatability of LD621A-100?

Asked by: Amir Yousefi
Resolution is 0.1 micrometer. Repeatability is 0.01% of calibrated range (0 to 100mm).
Answered by: JK Applications Engineer
Date published: 2024-04-12

What are the improvements of this over the LD620?

Asked by: Test Engineer
That series is getting discontinued, with this series and will no longer be available.
Answered by: Pressure Engineer
Date published: 2024-01-20

What is the frequency response of this sensor?

Asked by: AAAA
Typical frequency response of this sensor is 460 Hz
Answered by: JK Applications Engineer
Date published: 2024-07-18
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