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Introduction ....................................................................................................... 7-3
Cleaning............................................................................................................. 7-3
Line Fuse ........................................................................................................... 7-3
Selftest Diagnostics and Error Codes................................................................ 7-4
Performance Tests ............................................................................................. 7-4
Accuracy Verification Test ........................................................................... 7-7
Channel Integrity Test................................................................................... 7-8
Thermocouple Measurement Range Accuracy Test ..................................... 7-9
Four-Terminal Resistance Test ..................................................................... 7-10
Thermocouple Temperature Accuracy Test.................................................. 7-10
Open Thermocouple Response Test ............................................................. 7-11
RTD Temperature Accuracy Test ................................................................. 7-13
RTD Temperature Accuracy Test (Using DIN/IEC 751 RTD) ................ 7-14
Digital Input/Output Verification Tests ........................................................ 7-15
Digital Output Test ................................................................................... 7-15
Digital Input Test...................................................................................... 7-16
Totalizer Test............................................................................................ 7-17
Totalizer Sensitivity Test.......................................................................... 7-18
Dedicated Alarm Output Test ....................................................................... 7-18
External Trigger Input Test........................................................................... 7-21
Calibration ......................................................................................................... 7-21
Variations in the Display................................................................................... 7-22
Service ............................................................................................................... 7-22
Title
Chapter 7
Maintenance
Page
7-1
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