Page 20 Doc : AM210-001E Release: 1.4 updated : 2015DEPOSIT RATING – TEST OPERATION Note: prior the rating of the heater tube, it is important to make sure that the heater tube has beenprepared according to the instructions mentioned in the ASTM D 3241, IP 323 or ISO 6249 test method.Open the door of the DR 10 test compartmentTake a heater tube ready to be rated.Caution! Handle the heater tube carefully; finger print will affect the result, never touch the centerportion at any timeIdentify the location of the tube serial number.Carefully place the heater tube on the support. The tube serial number must be located on the right handside.Close the test compartment door.Press the “Tube Scan” button on the Main menu.The Tube Scan menu will be displayed.In order to initiate the measurement, the information described here after must be entered. All fields aremandatory with exception of the “Comment” field which is optional.