Related Manuals for Extech Instruments MG500
Summary of Contents for Extech Instruments MG500
- Page 1 USER MANUAL 10KV Digital High Voltage Insulation Tester Model MG500 ShopExtech 1.800.561.8187 Shop for Extech products at:...
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Page 2: International Safety Symbols
Introduction Thank you for selecting the Extech Instruments Model MG500. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer Support. - Page 3 In this case, stop testing and immediately disconnect the instrument from the circuit under test. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
- Page 4 Automatic PI calculation o Ener-Save™ Mode conserves battery energy during Insulation Resistance testing o Overload protection o Low battery indicator o Auto Off feature o Warning of external voltage presence (>500VAC or VDC) MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
- Page 5 10KV test voltage preset button 13. 1KV test voltage preset button Power OFF button Voltage adjustment button (-) Note: Battery compartment located on bottom of instrument and test lead compartment located behind the upper faceplate. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
- Page 6 Optional Leakage guard: Connect the Blue (Guard) lead to the insulator sheathing and covering material as shown on the diagram. Use a copper wire wrapped around the insulator at about its center. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
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Page 7: Operation
8. To take another test, press the TEST START/STOP button, the Connect Leads prompt should appear on the display; the instrument is now ready to run a new test. 9. The instrument automatically powers down after 5 minutes of inactivity. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187... - Page 8 DAR = (DAR value) 7. To take another test, press the TEST START/STOP button, the Connect Leads prompt should appear on the display; the instrument is now ready to run a new test. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
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Page 9: Automatic Discharge
At the end of a test, the meter automatically discharges the high voltage. The automatic discharge status is reflected on the display. During discharge the beeper will sound and, when completely discharged, the HOLD icon will appear on the display. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187... -
Page 10: Application-Specific Information
If a weakness is indicated, the motor and other components should be checked individually. If the motor is disconnected at the motor terminals, connect the RED lead to the grounded motor housing and the GREEN lead to one of the motor leads. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187... - Page 11 Refer to the diagrams below for three possible tests. GUARD EARTH EARTH LINE LINE GUARD EARTH LINE Testing one conductor One conductor to all Testing one conductor to minus ground all of the conductors to earth MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
- Page 12 Unusual Insulation Resistance Measurement Applications o Special paint or varnish may be used as an insulator on transformers and other electrical applications o Insulating blankets, suits and gloves can also be tested MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
- Page 13 ELECTRICAL EQUIVALENT DIRTY INSULATOR CIRCUIT DIRTY INSULATOR TYPICAL TEST Notes: Resistance as a result of contamination can lower the total resistance. Cleaning periodically can reduce system power consumption. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...
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Page 14: Maintenance
Warning: To avoid electrical shock or damage to the meter, do not allow water or other liquids inside the housing. Store the instrument in a dry environment. MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:... -
Page 15: Specifications
EN 61326-1, EN55011+A1+A2, En 61000-4-2+A1+A2, En 6100-4-3+A1 • En 6100-4-8+A1 Copyright © 2013-2017 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form ISO-9001 Certified MG500-en-GB_v1.3 3/17 ShopExtech 1.800.561.8187 Shop for Extech products at:...