model d20ac digital gaussmeter it has a built in facility to check calibration to ensure that the instrument is pre-calibrated. Also mode switch is provided to measure ac (rms) or dc magnetic field. It measures ac (rms)/dc magnetic fields. It measures fields from 1 i/ek- gauss tomore...
Model D20-B digital gauss meter is useful to measure DC magnetic field and it measures fields and operates on 9V batten/ as well as on external 9V Dc regulated supply. Applications: It is very useful for online production, motors, magnets, loud-speakers etc. General purpose instrmore...