Tabla De Contenido - Megger DLRO10HD Guia Del Usuario

Contents
1. Safety Warnings................................................................................................................2
1. 1 Product Safety Category - Measurement Connection ......................................................2
1. 1. 1 Voltage .........................................................................................................................2
1. 1. 2 CAT IV ..........................................................................................................................2
1. 1. 3 CAT III ...........................................................................................................................2
1. 1. 4 CAT II............................................................................................................................2
1. 2 Safety, Hazard and Warning Symbols on the Instrument ................................................3
2. Introduction.......................................................................................................................4
2. 1 What comes in the kit ........................................................................................................4
2. 2 Fitting the terminal adaptor ..............................................................................................7
3. Using the Kit .....................................................................................................................8
3. 1 Measuring a cable core resistance from one end .............................................................8
3. 1. 1 Step 1, attach the bridging lead set ..............................................................................8
3. 1. 2 Step 2, attach the current and potential (four wire) lead set ..........................................8
3. 2 Measuring connections within an industrial power or ground system ..........................9
3. 2. 1 Testing with a two wire 200 mA continuity tester ..........................................................9
3. 2. 2 Using Kelvin test leads (probes or clips) .........................................................................9
3. 2. 3 Testing with a DLRO low resistance tester. ...................................................................10
3. 2. 4 Using current and potential (four wire) lead sets. ........................................................10
3. 3 These results would be obtained in the following sequence of connections: .............11
3. 3. 1 Test 1 ..........................................................................................................................11
3. 3. 2 Test 2 ..........................................................................................................................11
3. 3. 3 Test 3 ..........................................................................................................................12
3. 3. 4 Test 4 ..........................................................................................................................12
3. 3. 5 Test 5 ..........................................................................................................................13
3. 3. 6 Test 6 ..........................................................................................................................13
3. 3. 7 In Conclusion ..............................................................................................................13
4. Calibration and Repair ....................................................................................................14
4. 1 Return procedure .............................................................................................................14
4. 2 Approved service centres .................................................................................................14
5. Decommissioning ............................................................................................................15
5. 1 WEEE directive .................................................................................................................15
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