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The Fieldpiece Digital Megohm Meter, model SMG5, is a compact standalone meter designed for checking HVAC compressor insulation. The SMG5 provides a 1000V voltage source, monitors current, and displays the resistance between the test points. Maximum current output is <1mA. It can be used to determine the condition of insulation from winding to ground in a motor, compressor, or transformer. Includes a case, alligator clip lead tip and leads with removable tips.
To test resistance, a DMM supplies low voltage (<1V) to the test points and is capable of delivering only a few milliamps. Its not a high enough voltage to detect high resistance problems that might indicate moisture and other contaminants and its not enough current to measure lower values of resistance.
To test resistance, a DMM supplies low voltage (<1V) to the test points and is capable of delivering only a few milliamps. Its not a high enough voltage to detect high resistance problems that might indicate moisture and other contaminants and its not enough current to measure lower values of resistance.
Downloads for Fieldpiece SMG5 - Digital Megohm Meter:
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