Chauvin Arnoux C.A 773, User Manual

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29
Hand position limit.
Place the test probes on the element to be tested, and hold them firmly in contact.
There is no need to switch on the C.A 773; it starts up automatically. The voltage is
displayed on the bargraph and on the digital display unit.
If the voltage present is:
„
AC : the indicators light up to indicate its value, and the + (green) and - (orange)
indicators are lit.
SAFETY TESTER
10
00
V
C
A
T.
IV
C.
A
773
E
LV
Ph
AC DC V
400
230
127 50
690 1000
1400
12
24
+
DC
L1
AU
TO
TEST
30
m
A
L3
L1
L2
30
m
A
Ω
ELV
Ph
AC
DC
V
400
230
127
50
690
1000
1400
12
24
+
DC
V
AC
„
DC : the indicators light up to indicate its value, and the + (green) indicator or the
- (orange) indicator lights up to indicate the polarity.
ELV
Ph
AC
DC
V
400
230
127
50
690
1000
1400
12
24
+
DC
V
DC
„
hazardous (> 50 V
ac
or 120 V
dc
): the ELV (red) indicator flashes (the faster the
flashing, the higher the voltage), and the device beeps.
ELV
: Extra Low Voltage. This redundant indicator light indicates that the voltage
is above ELV.
2.3. VOLTAGE DETECTION
Connect the red test probe to the + terminal and the black test probe to the L1
terminal.
Place your hands behind the guards on the device and the test probe.