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Product details
MFM Meters
Energy Meter
VAF Meter
Parameters for MFM Meter
Basic : V, I, Hz
Power : kW, kVAr, kVA, PF, Ø, In
Demand : I, kW, kVA
Energy : kWH, kVArh, kVAh
Power quality parameters :
THD in % : V, I
Harmonic Voltage : Total fundamental distorted
Total demand distortion in % K - factor (Harmonic factor) : Total fundamental distorted
System : RPM, Run - hour, On - hour, Interruptions
Unbalance in % : V, I
Features of Energy Meter
Unique Features
Protection against accidental opening of secondary terminals of external C.T
Analog load bar graph for indicating average current in %
Communication LED for MODBUS (RS - 485) on front panel
Compact depth even with optional features (61mm)
Standard Features
96 mm × 96 mm DIN quadratic
Single line 8-digit LED display
True RMS measurement up to 15th harmonic
Energy pulse LED on front panel: 3600 imp / kWH (Meter Constant)
Onsite programmable: 3 phase 4 wire / 3 wire / 2 wire, CT / PT primary, CT secondary 1A or 5A, PT secondary (100 VLL to 500 VLL)
Indication for healthy phases (Von)
Indication for reverse (Irev)
Optional Features
MODBUS (RS - 485)
1 relay output (As pulse output)
Parameters through display
Active energy (kWh)
Old active energy (kWh)
Energy billing in specified currency
Parameters through MODBUS (RS - 485)
Basic: V, I, Hz
Power: kW, kVAr, kVA, PF, Ø
Energy: kWh, kVAh, Old kWh
Energy billing in specified currency
Technical Specification
Input Voltage : 10 -290V L-N (500VLL)
Frequency : 45 to 65 Hz
Current : 1A or 5A
AUX Supply : 80 - 300V AC/DC
Accuracy : Class 1.0, Optional: Class 0.5
Operating Temperature range : 0 to +50degC
Applicable Standards : IEC 61010, IEC 60529, IEC 61326
Enclosure : Front- IP54 (Dust & water) , Back - IP20 Material - Polycarbonate (UL94 VO)
Installation Category : 3
Pollution Degree : 2
High voltage test : 3.3 kVAC 50Hz for 1 minute between all electrical Circuits (2.2 kVAC for Modbus & Relay)
Features of VAF Meter
96 mm × 96 mm DIN quadratic
3 Line: 3 Digit LED display
Onsite Programmable: 3 phase 4 wire/3 wire /2 wire. CT / PT Primary. CT Secondary 1A or 5A. PT Secondary (1OOVLL to 500VLL)
Compact depth (54mm)
Screw type i/p current termination
Parameters for VAF Meter
Basic: V, I, Hz
System: RPM, Run-hour
Unbalance in %: V, I
Technical Specification
Input Voltage : 10 -290V L-N (500VLL)
Frequency : 45 to 65 Hz
Current : 1A or 5A
AUX Supply : 230 VAC. ± 20%
Accuracy : Class 1.0, Optional: Class 0.5
Operating Temperature range : 0 to +50degC
Enclosure : Front- IP54 (Dust & water) , Back - IP20 Material - Polycarbonate (UL94 VO)
High voltage test : 2.2 kVAC 50Hz for 1 minute between all electrical Circuits
Developed by
TECHCONNECT INFOTECH