Megger Insulation Tester User Manual
Failed or damaged insulation can cause a circuit breaker to trip or fuse to blow and may result in a severe electrical shock to people coming in contact with poorly insulated wire or a metal part touching it.
Megger insulation tester user manual. Mj159 mj359 mj559 mj459. The megger insulation tester is a small portable instrument that gives you a direct reading of insulation resistance in ohms or megohms. Lead integrity can be. View and download megger mj160 user manual online.
The megger company registered the name megger in may 1903 and today offers a wide variety of ir testers. Fluke s digital insulation resistance testers provide reliable results whether you work on motors generators cables or switchgear. Its multiple test voltages make it the ideal tool for many troubleshooting commissioning and preventative maintenance applications. Mj160 test equipment pdf manual download.
Mit310 test equipment pdf manual download. For good insulation the resistance usually reads in the megohm range. Make sure the circuit is not reenergised whilst the instrument is connected. The circuit under test must be switched off de energised isolated and checked to be safe before insulation test connections are made.
The megger insulation tester is essentially a high range resistance meter. The first dc portable insulation tester was developed in 1889 by our founders sydney evershed and ernest vignoles and by 1903 was being sold as a megger insulation tester. Megger insulation testers combine safety with durability developed after extensive customer research specifically to meet the needs of today s electrical contractors the new mit300 range of insulation and continuity testers from megger is not only durable and easy to use but also incorporates a comprehensive set of features designed to. The fluke 1507 is a versatile compact handheld insulation tester for advanced industrial and electrical insulation testing.
This is supported by the new test voltage feedback control which maintains the output test voltage to within 2 of the selected range even when under test. Mit300 mit320 mit310a mit330. Only 15 kv rated megger test leads with plug inserts of 75 mm must only be used on the mit1525. Mit300 series insulation tester.
The insulation condition from values that are only relative. The insulation resistance test a k a the megger test is as relevant as ever and in many applications is preferred to other insulation test methods.