Fluke Lawn Mower 2635A Benutzerhandbuch

7-1

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 Decade Resistance Source) .... 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