PVCHECKs-PRO
EN - 12
6. OPERATING INSTRUCTIONS
6.1. DMM – MULTIMETER FUNCTION
In this function, the instrument shows the RMS (root mean square) and DC (average)
values of voltages between the positive (+) and negative (-) pole, between the positive (+)
pole and earth connection (PE) and between the negative (-) pole and earth connection
(PE), in order to check for the presence of AC components on input voltages.
1. Position the cursor onto DMM by using the arrow keys
(,) and confirm with ENTER. The display shows the
screen to the side.
DMM 15/10 – 18:04
VPNrms 0 V
VPErms 0 V
VNErms 0 V
VPNdc 0 V
VPEdc 0 V
VNEdc 0 V
2. Connect the instrument to the PV string to be tested as shown in Fig. 4.
Fig. 4: Instrument connection for DMM Function
3. The voltage values are shown on the display as illustrated
in the screen to the side.
DMM 15/10 – 18:04
VPNrms 1480 V
VPErms 750 V
VNErms 748 V
VPNdc 1420 V
VPEdc 720 V
VNEdc -726 V
CAUTION
The results of function DMM cannot be saved in the instrument's
memor
.
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