Presentation; Specifications - Chauvin Arnoux C.A 403 Mode D'emploi

The C.A 403 combines the following functions in a particularly sturdy and watertight case:
DC microammeter
DC millivoltmeter
Simplicity and safety in use have guided the design of this instrument:
Magneto-electric instrument
Single switch for range selection
Analogue display with anti-parallax mirror
Single input via two safety sockets
Ranges
100 scale
Reading
coefficient
30 scale
Internal resistance
Accuracy
(*) The 100mV DC range makes it possible to extend the capacity of the C.A 403 by
permitting measurements of DC current up to 100 A (depending on the model of shunt).
The reading coefficient depends on the shunt used.
8

PRESENTATION

SPECIFICATIONS

100mV DC 30µA DC
(*)
(*)
3333 Ω 460 Ω ± 5 %
3% of the ranges
3mA DC
x 1 x 0.1
500 Ω ± 5 %