Tag Archives: Safety

Fluke 87 Fusible Resistor

Properly-designed multimeters that are suitable for professional and trade use have a number of components, usually near their input jacks, that are for the sole purpose of protecting both the user and (secondarily) the multimeter itself from over-voltage and over-current … Continue reading

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Inside a Multimeter Fuse

Ever wonder what’s inside those expensive multimeter fuses?  This is a Bussmann DMM-B-11A fuse used in many popular late-model DMMs for the 10A current range.  The arc-quenching sand filler and glass fiber-reinforced melamine tube gives it a high rupture capacity … Continue reading

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