Solartron Metrology LVDT, ±1mm stroke -20°C +80°C

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COO (Country of Origin): GB
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Miniature dc Energised

With built-in electronic oscillator and demodulator producing an dc output proportional to core position
DFg series; have separate coil/electronic assemblies with a free core fitted with a polyacetal homopolymer bearing which can rub on the inside coil assembly to ease guiding requirements
DG2.5; This has a non-rotating spring-loaded armature running in precision linear ball bearings


Linear Variable Differential Transformers (LVDT)

These devices comprise a movable nickel iron core and three coils - one for energisation and two for pick-up. They need to be driven by a sine wave to produce an output amplitude and phase directly proportional to the position of the core with respect to the pick-up coils. A phase sensitive detector is required to demodulate the output signal. The main advantages of LVDTs are;

No wear problems as with potentiometers
Infinite resolution, high accuracy and linearity
No friction introduced into the measured system
Available in ranges from ±1mm to ±50mm


RS LVDT's datasheet Stock No. 232-4049 is available on request.

Stroke ±1mm
Input Current Range 10 mA
Energising Voltage Range 10 → 24 V dc
Sensitivity 750 mV/mm @ 10 V dc
Response Time 5 ms
Minimum Operating Temperature -20°C
Maximum Operating Temperature +80°C
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