Fluke 2620A User Manual
6-1
Chapter 6
Maintenance
Title
Page
Introduction ....................................................................................................... 6-3
Cleaning............................................................................................................. 6-3
Line Fuse ........................................................................................................... 6-3
Self-Test Diagnostics and Error Codes ............................................................. 6-3
Performance Tests ............................................................................................. 6-4
Cleaning............................................................................................................. 6-3
Line Fuse ........................................................................................................... 6-3
Self-Test Diagnostics and Error Codes ............................................................. 6-3
Performance Tests ............................................................................................. 6-4
Accuracy Verification Test ........................................................................... 6-7
Channel Integrity Test................................................................................... 6-7
Thermocouple Measurement Range Accuracy Test ..................................... 6-9
4-Terminal Resistance Test........................................................................... 6-10
Thermocouple Temperature Accuracy Test.................................................. 6-11
Open Thermocouple Response Test ............................................................. 6-13
RTD Temperature Accuracy Test ................................................................. 6-14
Channel Integrity Test................................................................................... 6-7
Thermocouple Measurement Range Accuracy Test ..................................... 6-9
4-Terminal Resistance Test........................................................................... 6-10
Thermocouple Temperature Accuracy Test.................................................. 6-11
Open Thermocouple Response Test ............................................................. 6-13
RTD Temperature Accuracy Test ................................................................. 6-14
RTD Temperature Accuracy Test (Using Decade Resistance Source) .... 6-14
RTD Temperature Accuracy Test (Using DIN/IEC 751) ......................... 6-15
RTD Temperature Accuracy Test (Using DIN/IEC 751) ......................... 6-15
Digital Input/Output Verification Tests ........................................................ 6-15
Digital Output Test ................................................................................... 6-16
Digital Input Test ...................................................................................... 6-16
Totalizer Test ............................................................................................ 6-17
Totalizer Sensitivity Test.......................................................................... 6-18
Digital Input Test ...................................................................................... 6-16
Totalizer Test ............................................................................................ 6-17
Totalizer Sensitivity Test.......................................................................... 6-18
Dedicated Alarm Output Test ....................................................................... 6-19
External Trigger Input Test........................................................................... 6-21
External Trigger Input Test........................................................................... 6-21
Calibration ......................................................................................................... 6-21
Variations in the Display................................................................................... 6-22
Service ............................................................................................................... 6-22
Variations in the Display................................................................................... 6-22
Service ............................................................................................................... 6-22