Megger Insulation Tester User Manual

Fluke s digital insulation resistance testers provide reliable results whether you work on motors generators cables or switchgear.

Megger insulation tester user manual.

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. View and download megger mj160 user manual online. The circuit under test must be switched off de energised isolated and checked to be safe before insulation test connections are made. 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.

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. Mj159 mj359 mj559 mj459. Its multiple test voltages make it the ideal tool for many troubleshooting commissioning and preventative maintenance applications. Mit300 series insulation tester.

The mit2500 offers both fixed range voltages of 50 v 100v 250 v 500 v 1000 v and 2500 v as well as a variable range that allows any voltage between 50 v and 2500 v to be dialled in. Mit300 mit320 mit310a mit330. For good insulation the resistance usually reads in the megohm range. The insulation condition from values that are only relative.

Make sure the circuit is not reenergised whilst the instrument is connected. Only 15 kv rated megger test leads with plug inserts of 75 mm must only be used on the mit1525. Megohmmeters also known as insulation testers or megger testers measure resistance to determine current leakage and identify faulty insulation. The megger insulation tester is a small portable instrument that gives you a direct reading of insulation resistance in ohms or megohms.

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. Mit310 test equipment pdf manual download. Lead integrity can be. 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.

The megger insulation tester is essentially a high range resistance meter. Mj160 test equipment pdf manual download.