Our thanks to megger for allowing us to reprint the following. Safe contact detectors even if the mit is connected to a live circuit while on continuity setting the tester will remain safe and not be damaged. Earthground resistance testers det3 contractor series. The megger bm220 series of analog arcdigital insulation and continuity testers comprises a range of instruments which offers comprehensive test features in a cost effective package. You do this by using a high voltage and looking for voltage leaking through the insulation. Fluke 1587fc y fluke 1550c, midiendo resistencia del aislamiento. Megger mit310en insulation tester, megaohms resistance. Additional notes about using a megger insulation tester. Jul 25, 2018 in hand operated megger electromagnetic induction effect is used to produce the test voltage i.
Megger is a new generation of downloading portable. The purpose of protective relay equipment is to sense fault states and trip circuit breakers. If a fault isnt corrected early, personal injuries and damage can occur. You will find that the megger test, or insulation resistance test, is going to be useful in a host of different situations and for different purposes. Megger is a registered trademark mit300 series insulation and continuity testers safety meets the requirements of iec610101 cat iii 600 v phase to earth. Full compliance with this standard can be attained with just one tester, the mit10202. Megger 5 and 10kv insulation testers are used in a. Megger is a registered trademark mj testers insulation resistance testers fuses 500 ma ff 660 v ceramic 50 ka hbc 114 x 14 in. Megger mit330en analogdigital megger insulation tester. Megger are designed specifically to assist you with the testing and maintenance of high voltage electrical equipment. Megohmmeter or megger insulation resistance tester is a special type of ohmmeter used to measure the electrical resistance of insulators. It will be possible to detect leaks on bad motors, generators, transformers, and many other devices. Combining an analog arc with a clear 3 digit lcd, the instruments offer a choice of insulation test voltages, with the option of single, dual or triple test. For over 100 years, megger has been the premier provider of electric test equipment and measuring instruments for.
Any voltage present will be indicated on the display. Megger the complete guide to electrical insulation. Megger group limited is a company that manufactures electronic test equipment and measuring instruments for electrical power applications the company is known for their original electrical insulation testers, and supply products related to the following areas. The device is being used since 1889, popularity raised during 1920s since the long back device is same in its uses and purpose of testing, few real improvements appeared in recent years with its design and quality of. As we are an official distributor for megger in ireland, we can source all supporting documentation from the manufacturer. Megger bm222 500v v handheld insulation resistance. Mit525us insulation tester with output\, 10 teraohms resistance\, 5kv multirange test voltage, mit1525us insulation tester\, lcd with backlight display\, 15 kv, det3tc 3terminal digital ground resistance tester\, 0. These are the most commonly requested operating manuals from megger programma. Graphico megohmetro hasta 5000v modelos 5050 y 5060 pdf sp rev.
The circuit under test must be deenergized and isolated before connections are made except for. Automatic discharge after an insulation test the item under test will be discharged automatically. No deben tocarse las conexiones del circuito durante las pruebas. The universal testing standard for rotational equipment, ieee 432000, increased the test voltage recommendation to 10 kv for equipment rated 12 kv and above. The megger brand is already strong and highly respected in the industry, but in these times of digital transformation, megger wishes to further elevate the depth of relation with our customers to truly standout. Being selfpowered, the instruments are suitable for use. Meggers next generation of programmable secondary relay test systems are designed specifically to test microprocessor, solid state and electromechanical relays. As the voltage increases in external circuit the deflection of pointer increases and deflection. View and download megger det14c user manual online. Megger instruments, using genuine kent ct17 9en norristown pa 19403 megger spare parts.
A list of approved companies is available from the uk england. Insulating components, for example cable jackets, must be tested for their insulation strength at the time of commissioning and as part of maintenance of high voltage electrical equipment and installations. Amb45 digital megohmmeter insulation resistance tester. Mit300 series insulation and continuity testers megger. Mto3xx series leads are interchangeable with the megger. The megger insulation tester is essentially a highrange resistance. G safety warnings safety warning must be observed during use. Buy megger mit310en insulation tester, megaohms resistance, 250v, 500v, v test voltage. Megger mit330en v insulation and continuity tester safety interlock prevents unsafe connection of test leads. Megger working principle types history uses of megger. Make sure the circuit is not reenergised whilst the instrument is connected. Megger mit330en analogdigital megger insulation tester 250.
Electrical test equipment power station to plug megger. Megger operating manuals official distributor for megger in. Domestic installers wanting to protect themselves against future threephase installation work will consider the mft1720, as will any engineer conducting eicrs or undertaking volumes of domestic and commercial installation work. As we are an official distributor for megger in ireland, we can source all supporting documentation from the manufacturer if you cant find the operating manual you are looking for in the list below, just contact us directly. Megger operating manuals these are the most commonly requested operating manuals from megger programma. If you think you have what it takes to help us realise our ambitions, we would love to hear. Where as in electronic type megger battery are used to produce the testing voltage. The goal is to determine if the insulation of a wire has been compromised. Ieee 432000 recommends the use of 10 for motor windings rated above 12 kv and the megger mit10202 facilitates this.
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