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User Manual for AEMC models including: 6550 10kV Megohmmeter, 6550 10kV, Megohmmeter
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DocumentDocument6550 & 6555 Megohmmeter Lead Compensation Feature The Red Lead in our set of 3 leads (Cat. #2151.36, shown at right) currently supplied with the Models 6550 and 6555 includes 1 resistor of 22k on each end to limit the peak short circuit current. To identify the lead type, the Red Lead is marked with a black section near one end of the lead that indicates the test lead resistance equals 44k. Older leads were marked with K22 at each end to indicate the 44k test lead resistance. NOTE: When troubleshooting issues and checking lead continuity, these leads will not pass a straight continuity test. They will measure 44k. All 6550 and 6555 Models with firmware version 2.1 or later allow you to select 0k or 44k lead compensation before using the meter. Users with 44k marked leads should enable 44k lead compensation on their 6550/6555. By default, all new products are shipped with 44k leads and 44k lead compensation selected. To enter the lead compensation selection menu, press the "Filter" button and hold it down while turning the switch from the OFF position to the SET-UP position. Use the and arrow keys to select 44k or 0k. Use the arrow key to select the highlighted entry. After a few seconds, the meter will reboot and the value is permanently saved until changed again. If you are using older leads with no 44k or K22 markings, like our Hippo Clips, the compensation selection should be set to 0k. Cat. #2151.36 Please visit our YouTube channel for a video showing the above configuration process. Thank you. Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments 15 Faraday Drive · Dover, NH 03820 USA · Phone: (603) 749-6434 · Fax: (603) 742-2346 www.aemc.com v3 02/22 99-MAN-100415