METER SPECIFICATIONS Meter Specifications 1 Meter should conform

METER SPECIFICATIONS

Meter Specifications 1. Meter should conform IEC 60687 / IS 14697 standards 2. Minimum 8 digits LCD Display (Backlit) & clearly visible 3. Meter should have clearly visible name plate identifying Meter Sr no, Meter constant, Purchase order no, Year of manufacture & Utility’s name 4. Display parameters to be programmed by TPC as per consumer’s requirement

Meter Specifications 5. Capability of recording load survey data for active energy, reactive energies, apparent energies, average pf for 40 days at 30 minutes interval 6. Programmable MD (KVA) auto reset date on any defined day of month & time 7. MD reset facility should be possible by – Auto reset feature, Push buttons, by Laptop & by MRI 8. Meter should be capable of recording in its memory past 6 months data of KWh, KVARh, KVAh, MD with date & time

Meter Specifications 9. Meters to be communicated by RS 232/485 ports in -addition to optical port 10. Meters should be programmable at site for TOD features with minimum 4 tariff slots – 11. Tariff A : 22: 00 to 06: 00 hrs 12. Tariff B : 06: 00 to 09: 00 hrs & 12: 00 to 18: 00 hrs 13. Tariff C : 09: 00 to 12: 00 hrs 14. Tariff D : 18: 00 to 22: 00 hrs 11. Sealing facility to be provided on Meter case, Terminal cover, Optical port & MD reset PB 12. Meter terminal cover should be transparent

Meter Specifications 13. Terminals should be properly marked on the terminal block 14. Meter should have facility for meter reading using external power source during power failure 15. Tamper detection features should be in-built in the meter for • Log for Magnetic tamper up to 0. 5 Tesla • CT open circuit / CT short circuit • Missing potential • CT reversal

Meter Specifications 16. All tampers should be logged with date & time 17. Meter should record energy in forward direction even if one or more phase currents are reversed 18. Meter should work accurately irrespective of phase sequence of supply 19. Anomaly indicator on meter display should flash in case of any tamper

Meter Specifications 20. The software for reading / programming the meter should be windows based & compatible with latest version of Windows 21. Full Version software to be provided by the manufacturer 22. Software encryption facility should be incorporated in the meter 23. Hardware Interlock facility to be provided in the meter