Solartron Metrology LVDT

View all Motion Control Sensors

Subtotal (1 unit)*

£400.34

(exc. VAT)

£480.41

(inc. VAT)

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RS Stock No.:
646-476
Mfr. Part No.:
922939
Brand:
Solartron Metrology
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Brand

Solartron Metrology

Stroke

±5mm

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

+80°C

Current Rating

13 mA

RoHS Status: Exempt

COO (Country of Origin):
GB

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

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