Automatic Vif Digital Panel Meter, Power Source : Electric

1. Instrument Type :

• Panel Mounted Digital VIF Meter

2. Size :

• 96 × 96 mm (DIN standard)

3. Mounting :

• Flush / Panel Mounted

4. Display :

• 3 Line LED / LCD Digital Display
• Parameters displayed simultaneously
• Digit height: ≥ 14 mm
• Color: Red / Green (as applicable)

5. Accuracy Class :

• Class 1.0 (as per IEC 62053 / IS standards)

6. Measuring Parameters:

• Current (I) – per phase & average
• Voltage (V) – per phase & average
• Frequency (Hz)
• Active Power (kW)
• Apparent Power (kVA)
• Reactive Power (kVAr)
• Power Factor (PF) – per phase & average

7. Input Voltage Range:

• 3 Phase, 4 Wire (L-L: 415V, L-N: 230V)
• Range: 50 – 120% of nominal voltage

8. Input Current Range:

• Via CT input (5A / 1A programmable)
• Range: 5% to 120% of nominal

9. Frequency Range :

• 45 – 65 Hz

10. Power Supply:

• Auxiliary Supply: 230V AC ±20% / 110V AC (as specified)
• Burden: < 5 VA

11. Sampling & Processing:

• True RMS Measurement
• Microcontroller based

12. Environment Conditions:

• Operating Temperature: –10°C to +55°C
• Humidity: up to 95% RH non-condensing

13. Standards Compliance:

• IEC 62053-21 / IEC 62053-22 for accuracy
• IEC 61010-1 for safety
• IEC 61326 for EMC compliance

14. Housing & Protection:

• Enclosure: ABS / Polycarbonate, flame retardant
• Protection: IP54 (front), IP20 (rear)
• Terminals: Screw type

15. Optional Features (if required):

• RS485 Communication (Modbus RTU protocol)
• Data logging / Memory function
• THD (Harmonic) Measurement