Chauvin Arnoux C.A 6531 Manual De Instrucciones página 27

A pushbutton on the back of the probe allows you to light the
measuring point (approx. 500 lux). This function is very useful,
since insulation testing is performed on installations with the
power off!
2.1 Housing
See the diagrams of the instruments in § 10 (appendix at the
end of this user's manual)
2.1.1 C.A 6531
3 safety terminals, Ø 4 mm (marked "mA", " + " and " - ")
Next to the " – " terminal, there are two additional contacts
for connecting the remote control probe (3-point connector).
7-position switch:
OFF, MΩ - 50 V, MΩ - 100 V, 40 kΩ, 4000 nF, 400 mA, 400 V~
Keys: Yellow (to activate insulation measurement), ALARM,
, ,
Backlit liquid crystal display
Battery compartment + stand (not shown in the drawing)
2.1.2 C.A 6533
2 x 4 mm Ø safety terminals (labelled " + " and " G "), a 3-
point jack for the guarded lead or the remote control probe
(labelled " - ").
6-position switch:
OFF, MΩ - 50 V, MΩ - 100 V, MΩ - 250 V, MΩ - 500 V, 400 kΩ
Keys: yellow (to activate insulation measurement), ALARM,
, ,
Backlit liquid crystal display
Battery compartment + stand (not shown in the drawing)
2.2 Display
2.2.1 Symbols
ALARM Threshold active or threshold programming in progress
> Upper threshold
< Lower threshold
Dangerous voltage generated (only comes on if test
at 50 V)
See the user's manual
> 25 V Voltage > 25 V present on the instrument's terminals
∆ ∆ ∆ ∆ ∆ REL
Difference between actual measurement and
measurement in memory (does not function for voltage
on the MΩ positions)
2. DESCRIPTION
and ∆REL.
and ∆REL.
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