Chauvin Arnoux C.A 6121 Mode D'emploi page 27

Our guarantee is applicable for twelve months after the date on which the equipment is made available (extract from our
General Conditions of Sale, available on request).
1. GENERAL PRESENTATION ................................................................................................................................................. 28
2. DESCRIPTION OF THE INSTRUMENT ............................................................................................................................... 28
3. TECHNICAL SPECIFICATIONS ........................................................................................................................................... 29
3.1. Dielectric test (position HV) ....................................................................................................................................... 29
Voltage drop at 10 A AC (position ∆U) ...................................................................................................................... 30
3.2.
3.3. Low resistance (position R
3.4. Insulation resistance .................................................................................................................................................. 31
3.4.1 Rated voltage 500 V DC ................................................................................................................................. 31
3.4.2 Rated voltage 1000 V DC ............................................................................................................................... 31
Discharge time (position ∆t) ....................................................................................................................................... 31
3.5.
3.5.1 Discharge time on mains supply socket (MAINS TEST inputs) ..................................................................... 31
3.5.2 Discharge time on internal electronic components (TEST inputs) ................................................................. 31
3.6. General specifications ............................................................................................................................................... 32
4. MEASUREMENTS ................................................................................................................................................................ 32
4.1. Dielectric test ............................................................................................................................................................. 32
Voltage drop scaled to 10 A (position ∆U) ................................................................................................................ 34
4.2.
4.3. Low resistance (position R
4.4. Insulation resistance .................................................................................................................................................. 36
4.5. Discharge time - 2 pole system ................................................................................................................................. 37
4.6. Discharge time - 4 pole system ................................................................................................................................. 38
5. OPERATION ......................................................................................................................................................................... 39
5.1. Warnings .................................................................................................................................................................... 39
5.2. Memorising the results .............................................................................................................................................. 40
5.3. Recalling stored results ............................................................................................................................................. 40
5.4. RS232 communication (for printout and connection to a PC) ................................................................................... 41
5.5 Erasing the results ..................................................................................................................................................... 43
5.6. Reinitialising the instrument ...................................................................................................................................... 44
5.7. Configuration ............................................................................................................................................................. 44
5.7.1. Display contrast .............................................................................................................................................. 44
5.7.2. Time and date ................................................................................................................................................ 45
5.7.3. Warning buzzer .............................................................................................................................................. 45
5.7.4. Baud rate ........................................................................................................................................................ 46
5.8. Sound signals ............................................................................................................................................................ 46
5.9 Use of remote control pedal ...................................................................................................................................... 46
5.10 Use of warning lamps (standard VDE 104) ............................................................................................................... 47
6. MAINTENANCE .................................................................................................................................................................... 48
6.1. Usual cleaning ........................................................................................................................................................... 48
6.2. Replacing the fuses (for properly qualified maintenance personnel only !) .............................................................. 48
6.3 Metrological check ..................................................................................................................................................... 48
6.4. After sales service ..................................................................................................................................................... 48
7. TO ORDER ........................................................................................................................................................................... 49
WARRANTY
CONTENTS
) ................................................................................................................................. 30
10 A
) .................................................................................................................................. 35
10A
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