1. Instrument Type :
- Panel Mounted Digital VIF Meter
2. Size :
- 96 × 96 mm (DIN standard)
3. Mounting :
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 :
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