3M 701 Calibration Procedure - Page 7

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Also for 3M 701: Operator's Manual (8 pages), Operator's Manual (9 pages)

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3M 701 Calibration Procedure
The accuracy of the 701 is based on two tolerances (+/- 5% electrical & +/-2 deg. of arc,
meter's needle movement). The sum of these two tolerances are identified by two tiny
dots, one on each side of the major intervals (100 kilohms, 1megohm, 10 megohms, 100
megohms, 1gigaohm, and 10 gigaohms) marks located on the top scale. So to check the
701 for resistance measurement accuracy you need to test resistances at the major
intervals and confirm that the readings fall within the dots. Please be aware that we are
faxing the calibration procedure for the 701 Megohmmeter to you at the fax number
listed below.