Lot · EMF & Gaussmeters
F.W. Bell Incremental Gaussmeter For Magnetic Field Measurements Model 640
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Tue · May 19, 2026
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steve56smith
2,839 ratings · 100.00% positive
Description
From the sellerF W Bell model 640 Incremental Gaussmeter for precision magnetic field measurements with a range of 0.1 to 30,000 Gauss on scale selector. Instrument does not come with probe. This can be ordered directly from F W Bell according to what axis you need and size of probe. Meter is in working condition and operates on 120 VAC 60 Hz. Unit has internal cal selector or you can order a separate calibration fixture from manufacturer.
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