Chauvin Arnoux C.A 6549 Mode D'emploi page 49

1. PRESENTATION ............................................................................................................................ 50
1.1. The megohmmeter .............................................................................................................. 50
1.2. Accessories ......................................................................................................................... 50
2. DESCRIPTION ............................................................................................................................... 51
2.1. Housing / Front panel / Keys ............................................................................................... 51
2.2. Display ................................................................................................................................. 53
3. MEASUREMENT FUNCTION ....................................................................................................... 54
3.1. AC / DC voltage .................................................................................................................. 54
3.2. Insulation measurement ..................................................................................................... 54
3.3. Capacitance measurement ................................................................................................. 56
3.4. Residual current measurement ........................................................................................... 56
4. SPECIAL FUNCTIONS ................................................................................................................. 56
4.1. MODE/PRINT key ............................................................................................................... 56
4.2. DISPLAY/GRAPH key ......................................................................................................... 60
3 / T° key ............................................................................................................................ 68
4.3.
6 / SMOOTH key ............................................................................................................... 69
4.4.
4.5. SET-UP function (instrument configuration) ....................................................................... 69
4.6. List of coded errors ............................................................................................................. 75
5. PROCEDURE ................................................................................................................................ 75
5.1. Course of measurements ................................................................................................... 75
5.2. Measurement in Voltage Step mode ................................................................................... 77
6. MEMORY / RS 232 ........................................................................................................................ 78
6.1 RS 232 characteristics ........................................................................................................ 78
6.2 Recableing / plyback of memory (MEM/MR) ...................................................................... 79
6.3 Printing measured values (PRINT key) .............................................................................. 80
7. SPECIFICATIONS ......................................................................................................................... 85
7.1 Reference conditions .......................................................................................................... 85
7.2 Characteristics per function ................................................................................................ 86
7.3 Power supply ....................................................................................................................... 89
7.4 Environmental conditions .................................................................................................... 90
7.5 Construction specifications ................................................................................................. 90
7.6 Compliance with international standards ............................................................................ 90
7.7 Variations with in domain of use ......................................................................................... 91
8. MAINTENANCE ............................................................................................................................. 91
8.1 Servicing ............................................................................................................................. 91
8.2 Metrological verification ...................................................................................................... 92
9. GUARANTEE ................................................................................................................................. 92
10. TO ORDER ................................................................................................................................... 92
CONTENTS
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