1. METER SPECIFICATIONS

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

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

4. Meter Specifications
Meters to be communicated by RS232/485 ports in-addition to optical port
Meters should be programmable at site for TOD features with minimum 4 tariff slots –
Tariff A : 22:00 to 06:00hrs
Tariff B : 06:00 to 09:00 hrs & 12:00 to 18:00 hrs
Tariff C : 09:00 to 12:00 hrs
Tariff D : 18:00 to 22:00 hrs
Sealing facility to be provided on Meter case, Terminal cover, Optical port & MD reset PB
Meter terminal cover should be transparent

5. Meter Specifications
Terminals should be properly marked on the terminal block
Meter should have facility for meter reading using external power source during power failure
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

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

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