Measurements Of Dc And Ac Currents - Chauvin Arnoux C.A 406 Notice De Fonctionnement

Use:
Level zero on the red scale in dB corresponds to U
The reading is direct in dB for the 3V AC range, from -10 to +12dB.
For the other ranges, it is possible to read in dB (approximate value) by adding
respectively:
+10dB to the
+20dB to the
+30dB to the
+40dB to the
+50dB to the
4.3

MEASUREMENTS OF DC AND AC CURRENTS

Reminders:

When making current measurements, switch off the power supply to the circuit
before changing range, connecting or disconnecting the instrument from the
circuit.

Connect in series in the circuit as shown on the diagram.
C.A 406
10V AC range
30V AC range
100V AC range
300V AC range
1000V AC range
= 0.775V, for the 3V AC range.
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