Power Quality Monitoring

▼UMG 511Measurement valuesVoltage L1, L2, L3, L4, L1-L2, L2-L3, L1-L3 Accuracy ±0.12%Current L1, L2, L3, L4 ±0.2%Calculated sum current ±0.56%K-factor L1, L2, L3, L4 yesThree-phase current components Positive/ Negative/ Zero Phase Sequence yesEffective, reactive and apparent power L1, L2, L3, L4, Sum L1-L3, Sum L1-L4 Accuracy ±0.2 % acc. EN 61557-12:2008Cos-phi, power factor L1, L2, L3, L4, Sum L1-L3, Sum L1-L4 yesPhase angle L1, L2, L3, L4 yesEffective energy (kWh)Reactive energy (kvarh)L1, L2, L3, L4, Sum L1-L3, Sum L1-L4:- Purchased effective energy (tariff 1, tariff 2)- Supplied effective energy (tariff 1, tariff 2)L1, L2, L3, L4, Sum L1-L3, Sum L1-L4:- Inductive reactive power (tariff 1, tariff 2)- Capacitive reactive powerClass 0.2S (…/5A),Class 0.5S (…/1A)Apparent energy (kVAh) L1, L2, L3, L4, Sum L1-L3, Sum L1-L4 yesCurrent/voltage wave form L1, L2, L3, L4 yesFrequency of mains Accuracy ±0.01%Average valueyesMinimum and maximum valuesyesClass2Power quality, Class A, according to EN61000-4-30Harmonics order, 1 st to 63 rdVoltage L1, L2, L3, L4Class 1 acc. EN61000-4-7Harmonics, even/oddInterharmonics Current, voltage L1, L2, L3, L4 yesDistortion factor THD-U in % L1, L2, L3, L4 yesDistortion factor THD-I in % L1, L2, L3, L4 yesPositive/negative/zero systemyesActual flicker value L1, L2, L3, L4 yesShort-term flicker value L1, L2, L3, L4 yesLong-term flicker value L1, L2, L3, L4 yesTransients 50 μs yesTrigger events 10 ms yesInrush currents 10 ms yesEvent recorderyesCommunicationInterfacesRS 485 9.6, 19.2, 38.4, 76.8, 115.2, 921.6 kbps yesProfibus DP Plug, sub D 9-pole up to 12 Mbps yesEthernet 10/100 Base- TX RJ-45 sockets yesProtocolsModbus RTUyesProfibus DP V0yesModbus TCPyesModbus over TCPyesModbus gatewayyesHTTP Homepage (configurable) yesSMTP E-Mail yesSNMPyesSNTP Time synchronisation yesTFTP Automatic configuration yesFTP File Transfer yesDHCPyesBACnet / IP or MSTPyes, option88