... terminal cover with high tamper proof features Energy Meter ( static meter , electricity meter )1. The meter is of direct connection in accordance with the ... range, C: -40+ 60;7. Nominal frequency of metering network, Hz: 50 (±2,5%).8. Gross power (active) branched circuit, not ... ≠ phase circuit current - Network voltage availability Single Phase Energy Meter ( static meter , electricity meter )