janitza UMG 604-PRO, User Manual And Technical Data, Page: 61 / 87

www.janitza.de
UMG 604-PRO
56
13. 2 Power quality
The “Power quality” section (PQ) provides you with the option of calling the PQ status in
a clear way according to common standards. Here, you have access to permanent power
quality monitoring in accordance with:
• IEC 61000-2-4 in customer supply networks.
The display is based on the traffic light principle, which makes it easy to detect events that do not
meet the relevant quality requirements without in-depth knowledge.
Fig. IEC 61000-2-4 parameters with traffic-light principle