1. ProEdit Procedure Management Writing a Verification Procedure For a Megger CM500 Combination Tester - Loop Function

2. ProEdit :: Writing a Procedure Preparing to write a procedure  Before beginning the write the procedure the specifications for the instrument are required – these can be found from the following sources :  Instrument manufacturers handbook  Manufacturers web site  Catalogues such as R.S., Farnell or other instrument resellers

3. ProEdit :: Writing a Procedure Step 1  Start ProEdit  Select File  Procedure Builder Wizard  Loop Tester

4. ProCal :: Writing a Procedure Step 2  Enter Manufacturer, Model Number and Version number

5. ProCal :: Writing a Procedure Step 3 SECTION 1 : LOOP RESISTANCE TESTS  Select a range from the first drop down list. A set of values is displayed – select the required resistance values It is recommended to set at least 3 test points for each range  For each additional range, select from the drop down lists (up to 3 ranges can be set) Tip : Use the Select All or Select None buttons to easily set resistance values. Range 1Range 2Range 3 Note : The resistance values shown are the NOMINAL values. The actual value will be the NOMINAL + SUPPLY LOOP resistance (automatically read back from the 2100 calibrator)

6. ProCal :: Writing a Procedure Step 3 Cont’d SECTION 1 : LOOP RESISTANCE TESTS  Select the accuracy for the ranges (use one or more of these boxes) % of Reading % of Range ± Counts

7. ProCal :: Writing a Procedure Step 5 SECTION 6 : ADDITIONAL CHECKS  Select from the following type tests Indicator Check Display Check Controls Check Tests are performed manually and either pass or fail selected on screen.

8. ProCal :: Writing a Procedure Step 7 The Use Uncertainty Statements option will automatically select the correct uncertainty statements for the procedure, based on the functions selected.

9. ProCal :: Writing a Procedure Step 8 Click on the Build Procedure button to proceed When this message appears click No to close the screen or Yes to create another procedure

10. ProCal :: Viewing a Procedure Step 1 Now the procedure has been created, it can be viewed using ProEdit.  Select File > Edit An Existing Procedure  Select Model Number and enter CM500, then click Start Search

11. ProCal :: Modifying a Procedure Step 2  The CM500 procedure will be listed, select the line and click Accept

12. ProCal :: Modifying a Procedure Step 3  The procedure instrument information screen will be displayed – click Next to continue.  Uncertainty statements & traceable instruments screen will be displayed – click Next to continue.

13. ProCal :: Modifying a Procedure Step 4  Click the Show All button – a scrollable list will display all the procedure tests

14. ProCal :: Modifying a Procedure Step 5  Test information can be viewed and edited if required Note : The accuracy automatically recalculates based on the change of test value