The LA-20.6 series AC-LVDT (Linear Variable Differential Transformer) linear 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 throttle position feedback. This general purpose linear device has excellent price-to-performance and stroke-to-length ratios, making the LA-20.6 AC-LVDTs ideal for use in test and measurement laboratories, industrial automation equipment, and many OEM positioning applications.
LA-20.6 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-20.6 series AC-LVDTs operate from a nominal 3 Vrms, 2.5 to 3.3 kHz excitation source. They are packaged in a 0.812 inch (20.6 mm) OD stainless steel housing and are offered with either a unified or metric threaded 0.250 inch (6.35 mm) diameter core, 12 inch (300 mm) long lead wires, and have an 0.313 inch (8.0 mm) ID for good core-to-bore clearance. It has a wide operating temperature range.
When mated with ASG’s industrial AC-LVDT DIN-rail-mountable signal conditioner, an LA-20.6 series AC-LVDT becomes part of a complete measurement solution.
ASG 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 datasheet below.
- - General Purpose AC-LVDT
- - 0.812 Inch OD Stainless Steel Body
| 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: | -65 to 220°F (-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 | Termination Topology (inches) | I/O Connection |
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LA | XX- | X- | XXX- | XX | XX |
| 20.6 - 20.6 mm (0.812 inch) | A - Axial | 0.05 - ±.050 | 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 [157.5] | 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-20.6 sensor, simply call us at 856-727-0250 or use the online contact us form by clicking here.
Download AC-LVDT Position Sensor LA-20.6 Datasheet
