Voltage Detection - Chauvin Arnoux C.A 771 Manual De Instrucciones

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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.
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 771; it starts up automatically.
If the voltage present is:
„ AC: the indicators light up to indicate its value, and the + (green) and - (orange)
indicators are lit.
1000
690
400
230
127
50
24
12
„ DC: the indicators light up to indicate its value, and the + (green) indicator or the
- (orange) indicator lights up to indicate the polarity.
1000
690
400
230
127
50
24 300kΩ
12
„ hazardous (> 50 V or 120 V ): the ELV (red) indicator flashes (the faster the
ac dc
flashing, the higher the voltage), and the device beeps.
ELV: Extra Low Voltage. This redundant indicator light indicates that the voltage
is above ELV.
www.
Hand position limit.
+
1400
V
AC
DC
100Ω
Ph
2kΩ ELV
+ -
60kΩ
300kΩ
L1-L2-L3
L1-L3-L2
+
1400
V
AC
DC
100Ω
Ph
2kΩ ELV
+ -
60kΩ
L1-L2-L3
L1-L3-L2
29
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