Probewell’s MT-1/NT9 has a built-in 3-phase phantom load made of synthesized 50 A current sources and a 3-phase electronic standard with an accuracy of ±0.02% typical, ±0.05% guaranteed.
Net metering-enabled The MT-1/NT9 is a bidirectional meter tester and can perform reverse power flow testing in solid-state meters devices meaning that it can perform net metering tests on the installation.