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VINTAGE COMMERCIAL TRADES INST. ELECTRONIC VOLTMETER On the face of the Meter is has the words COMMERCIAL TRADES INST. CHICAGO, ILLINOIS FS = 1MA MCB/231769001 PT.300.067. It measures 10 x 7 1/2 x 3 1/4 inches and has a fold over carry handle 2 inches taller. There are two knobs to the right of the display the top one has 6 positions: The Other knob to the right of the display is RANGE. It has 5 positions: There are 2 knob and 3 connectors across the bottom: First Connector = A.C.-OHMS 2nd Connector= GND. 3rd Connector = D.C. I do not know enough about these to test. But this is from an estate and the seller said that it worked just fine. It had belonged to his brother and they used it often, but hadn't in a few years. |