The LA-19-A series AC-LVDT (Linear Variable Differential Transformer) position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are contactless devices designed for industrial and commercial applications, such as: factory automation, metal and paper mills, valve position, robotic assembly systems, and engine throttle position feedback. These general purpose linear position sensing devices have excellent price-to-performance and stroke-to-length ratios, making the LA-19-A AC-LVDT sensors ideal for use in test and measurement laboratories, industrial automation equipment, and many OEM positioning sensing applications.
LA-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. LA-19-A series AC-LVDTs operate from a nominal 3 Vrms, 2.5 to 3.3 kHz excitation source. They are packaged in a 0.750 inch (19.0 mm) OD stainless steel housing, come with either a unified or metric threaded 0.25 inch (6.35 mm) diameter core, have a 0.313 inch (8.0 mm) ID bore for good core-to-bore clearance, feature 12 inch (300 mm) long lead wires, and operate over a wide temperature range.
When mated with ASG’s industrial AC-LVDT DIN-Rail-Mountable Signal Conditioner, a LA-19-A series AC-LVDT becomes part of a complete measurement solution.
ASG's AC-LVDTs are also offered in larger body and longer range versions, including the LA-9.5, LHA-19, LA-21, LA-25, and LA-27.
For more information, see the technical datasheets below.
- - General Purpose AC-LVDT
- - 0.750 inch OD Stainless Steel Housing
| Available Ranges: | ±0.050, 0.100, 0.200, 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: | 3.0 V ACrms (nominal) |
| Linearity Error: | ≤±0.25% of FSO (typical ±0.15%) |
| Null Voltage: | ≤0.05% of FSO |
| Operating Temperature: | -55 to 125 C |
| Temperature Coefficient: | <-0.02% FSO/K |
| Humidity: | 95% RH non-condensing |
| Shock: | 1000 g, 11 msec. |
| Vibration: | 5 - 20 Hz, 0.5 inch p-p; 20 - 2000 Hz, 10g p-p |
Series | Body Diameter | Termination | Bipolar Range (inches) | I/O Connection |
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LA | XX- | X- | XXX- | XX- | XX- |
| 19 - 19 mm (0.750 inch) | A - Axial | 0.05 - ±.05 | 12 - 12-inch leads | 06 - Metric Threaded Core |
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| 0.1 - ±.100 |
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| 0.2 - ±.200 |
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| 0.5 - ±.500 |
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| 01 - ±1.0 |
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| 02 - ±2.0 |
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| 03 - ±3.0 |
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| 04 - ±4.0 |
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| 05 - ±5.0 |
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| 07.5 - ±7.5 |
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| 10 - ±10.0 |
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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] | 6.50 [255] | 400 | 1.13 [28.7] | 0.80 [20.3] | 0.56 [14.3] | 1.02 [29] | 0.14 [4.0] |
±0.10 [2.5] | 4.00 [155] | 1000 | 1.75 [44.5] | 1.25 [31.7] | 0.88 [22.2] | 1.41 [40] | 0.22 [6.2] |
±0.20 [5.0] | 2.40 [95] | 1900 | 2.50 [63.5] | 1.65 [41.9] | 1.25 [31.7] | 1.73 [48] | 0.30 [8.5] |
±0.50 [12.5] | 0.65 [25] | 1400 | 5.02 [127.5] | 3.45 [87.6] | 2.51 [63.7] | 2.82 [80] | 0.72 [20.4] |
±1.00 [25] | 0.65 [25] | 1650 | 6.51 [165.4] | 3.45 [87.6] | 3.25 [82.5] | 3.81 [108] | 0.72 [20.4] |
±2.00 [50] | 0.39 [15] | 1875 | 10.02 [254.5] | 5.30 [134.6] | 5.01 [127.2] | 5.00 [142] | 1.20 [34.0] |
±3.00 [75] | 0.26 [10] | 1950 | 12.75 [323.9] | 6.20 [157.5] | 6.38 [161.9] | 7.69 [218] | 1.47 [41.7] |
±4.00 [100] | 0.18 [7.1] | 425 | 15.20 [386.1] | 6.20 [15.7] | 7.60 [193.0] | 9.80 [278] | 1.47 [41.7] |
±5.00 [125] | 0.13 [5.1] | 1050 | 17.75 [450.9] | 6.20 [157.5] | 8.88 [225.4] | 11.71 [332] | 1.47 [41.7] |
±7.50 [190] | 0.12 [4.3] | 1380 | 22.85 [580.4] | 7.00 [177.8] | 11.43 [290.2] | 16.93 [480] | 1.51 [42.8] |
±10.00 [250] | 0.08 [3.1] | 1050 | 30.64 [778.3] | 9.50 [241.3] | 15.32 [389.1] | 20.53 [582] | 2.20 [62.4] |
If you are looking for CAD drawings of our LA-19-A sensor, simply call us at 856-727-0250 or use the online contact us form by clicking here.
Download AC-LVDT Position Sensor LA-19-A Datasheet
