Current Measurement - Chauvin Arnoux C.A 6454 Manual De Instrucciones

4.4.6 WARNINGS OR ERROR REPORTS
Same as for earth measurements in a live condition (see § 4.2.6) except as follows:
- the rod and the current probe are not taken into account,
- error management on U
- measurement between the TEST key and PE not taken into account.

4.5 CURRENT MEASUREMENT (

4.5.1 DESCRIPTION OF THE FUNCTION
In the position, the instrument measures the alternating current continuously, without the TEST
key being pressed.
The instrument deduces the current flowing in the cable(s) clamped by the probe according to the
transformation ratio of the probe.
4.5.2 PREPARATION OF THE MEASUREMENT (CONNECTION)
→ Connect the clamp to the measuring instrument (specific triple socket designed to avoid connection
errors)
→ Set the switch to
→ Clamp the cable of which the current is to be measured.
→ If necessary, in the SET-UP mode, set alarm threshold I
PUSH
88.88
88.88
88.88
PUSH
→ If necessary, activate alarm threshold I
only,
LN
,
btn
+
nd x 3
2 MORE
>
direction of alarm (> or <)
location of decimal point
setting of the values of each of the 4 digits, selected
by successive presses on the
btn
)
ALARM
by pressing the ALARM key
ALARM
69
key