Daytronic Corporation - LVDT Selection Guide (A)

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Select the desired type of LVDT excitation.

AC-Operated

DC-Operated

Select the desired stroke magnitude.

Short-Stroke (≤ 0.5 inch; ≤ 12.7 mm)

Long-Stroke (≥ 0.5 inch; ≥ 12.7 mm)

The major advantages of DC-operated ("DC-to-DC") LVDT's are ease of installation and signal conditioning, the ability to operate from dry cell batteries in remote locations, and lower system cost (especially in multipoint applications). AC-operated LVDT's are generally smaller in body size and more accurate than DC versions. They will also normally operate at higher temperatures.