Measurements Of Dc And Ac Currents - Chauvin Arnoux C.A 406 Mode D'emploi

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.
10V AC range
30V AC range
100V AC range
300V AC range
1000V AC range
28
= 0.775V, for the 3V AC range.
0