Variations Within Domain Of Use; Maintenance; Servicing; Battery Charging - Chauvin Arnoux C.A 6549 Mode D'emploi

7.7

VARIATIONS WITHIN DOMAIN OF USE

Influence Range
quantity of influence
Battery voltage 9 V - 12 V
Temperature -10°C...+55°C
Humidity 10%...80% RH
Frequency 15...500 Hz
AC voltage
superimposed 0% Un...20%Un
on test voltage
(1) The DAR, PI and DD terms and the capacitance and leakage current measurements are
included in the quantity "M Ω "
For maintenance, use only the specified spare parts. The maker is not liable for any accident
occurring following a repair done other than by its customer service department or an approved
repairer.
8.1.

SERVICING

8.1.1.

BATTERY CHARGING

If the instrument is charging in the OFF position : the battery symbol is displayed and the 3 bars flash
throughout the charging - «Charging battery» is also indicated.
When the battery is full, the symbol and its 3 bars are lit steadily and "Charging Full" is indicated.
If the instrument is charging in a measurement position : the battery symbol flashes.
There is no full charge indication. The "Charging Full" indication is displayed only when the instrument is
returned to the OFF position.
If the instrument is started up and the battery voltage > 8 V, normal use of the instrument is allowed.
The battery should be replaced by Manumesure or by a repairer approved by CHAUVIN ARNOUX.
Attention: changing the battery causes a loss of stored data.
Carry out a complete erasure of the memory, in the SET-UP menu (see § 4.5), to be able to use the
MEM / MR functions again.
8.1.2.

REPLACING THE FUSES

If GUARD FUSE appears on the display unit, you must change the fuse accessible on the front panel after
checking that none of the terminals is connected and that the switch is OFF.
Exact type of fuse (printed on the front panel label): FF - 0.1 A - 380 V - 5 x 20 mm - 10 kA
Quantity
influenced (1)
V
MΩ
V
MΩ
V
MΩ (10kΩ to
40GΩ)
MΩ(40GΩ to 10
TΩ)
V
MΩ

8. MAINTENANCE

91
Influence
typical max.
< 1 pt 2 pts
< 1 pt 3 pts
0.15% R/10°C 0.3% R/10°C + 1pt
0.20% R/10°C 1% R/10°C + 2 pts
0.2% R 1% R + 2 pts
0.2% R 1% R + 5 pts
3% R 15% R + 5 pts
0.3% R 0.5% R + 1 pt
0,1% R/% Un 0,5% R/% Un + 5 pts