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COMBITEST422
EN - 21
6.2. DMM: DIGITAL MULTIMETER FUNCTION
This function allows reading the real time TRMS values of P-N Voltage, P-PE Voltage, N-
PE Voltage and Frequency (@ P-N inputs) when the instrument is connected to an
installation.
Fig. 6: Instrument connection through mains plug
Fig. 7: Instrument connection by means of single cables and remote switch probe
1. Press the
MENU
key, move the cursor to
DMM
in the
main menu by means of the arrow keys (
,
) and
confirm with
ENTER
. Subsequently, the instrument
displays a screen similar to the one reported here to the
side.
D M M
15/10
– 18:04
FREQ.
= 0.00
Hz
VL-N
= 0
V
VL-PE
= 0
V
VN-PE
= 0
V
2. Insert the green, blue and black connectors of the three-pin plug cable into the
corresponding inputs B1, B3 and B4 of the instrument. As an alternative, use the
single cables and apply the relevant alligator clips to the free ends of the cables. It is
also possible to use the remote switch probe by inserting its multipolar connector into
the input B1. Connect the plug, the alligator clips or the remote switch probe to the
electrical mains according to Fig. 6 or Fig. 7.
Содержание COMBITEST422
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