Description; Unit; 6521; 6523 - Chauvin Arnoux C.A 6521 Notice De Fonctionnement

A pushbutton on the back of the probe allows you to light the
measuring point (lighting of approx. 500 lux). This function is
very useful, since insulation testing is performed on installations
with the power off!

2. DESCRIPTION

2.1. Unit

See the diagrams of the instruments in § 10 (appendix at the
end of this user's manual)
2.1.1. C.A 6521
➀
2 safety terminals, Ø 4 mm (marked " + " and " - ")
➁
5-way switch: OFF, MΩ - 250 V, MΩ - 500 V,
20 Ω +, 20 Ω -
➂
Yellow key (to activate insulation measurement)
➃
Liquid crystal display
➄
Battery compartment + stand (not shown in the drawing)
2.1.2. C.A 6523
➀
2 safety terminals, Ø 4 mm (marked " + " and " - "). Next to
the " – " terminal, there are two additional contacts for
connecting the remote control probe (3-point connector).
➁
6-way switch : OFF, MΩ - 500 V, MΩ - 1000 V, 400 kΩ, 20 Ω +,
20 Ω -
➂
Yellow keys (to activate insulation measurement), ALARM,
, and etc.
➃
Backlit liquid crystal display
➄
Battery compartment + stand (not shown in the drawing)
2.1.3. C.A 6525
➀
2 safety terminals, Ø 4 mm (marked " + " and " - "). Next to
the " – " terminal, there are two additional contacts for
connecting the remote control probe (3-point connector).
➁
7-way switch : OFF, MΩ - 250 V, MΩ - 500 V,
MΩ -1000 V, 400 kΩ, 20 Ω +, 20 Ω -
➂
Yellow keys (to activate insulation measurement), ALARM,
, , and TIMER.
➃
Backlit liquid crystal display
➄
Battery compartment + stand (not shown in the drawing)

2.2. Display

2.2.1. Symbols

Timer active (in TIMER mode)
ALARM Threshold active or threshold programming in progress
> Upper threshold
< Lower threshold
26