3½ DIGIT DIGITAL MICRO OHM METER (ROTARY SWITCH) 3½ Digit Digital Micro Ohm Meter (Rotary Switch) is a compact high reliability 3 ½ digit instrument suitable for measurement of resistivity of copper wires from 70 SWG to 50 SWG resistance of cables , windings , coils , heater elements & contact resistance of switches , relays etc.

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