Digital Three Phase Multi-function Meter

Digital Three Phase Multi-function Meter
Digital Three Phase Multi-function Meter

Digital Three Phase Multi-function Meter

Model: SY-DMM-0.5
Standards: EN50470-1 , EN50470-3,IEC62052-11,IEC62053-22, IEC62053-23

Inquiry
  • Feature
Measurements
  • Accuracy Class: Active (kWh) Class 0.5 (Class C), Reactive (kVarh) Class 1
  • Energy: Active (kWh), Bidirectional and Reactive (kVarh), Bidirectional
  • Maximum Demand: (KW or Ampere) with time stamp, recent and historical values
  • Instantaneous Parameters: RMS Voltages and Currents , Power Factors (Instant. and aver-age)
  • Tarrif: Multi-Tariff (option), up to 4 tariffs, 8 different time zones/day.

Electrical Parameters
  • Nominal Voltage: 3×220/380V , 3×230/400V
  • Minimum Current: 0.05A
  • Reference Current: Under to 5A
  • Maximum Current: Up to 100A (Direct) , Up to 6A (CT)
  • Connection: Star 3-Wire and 4-Wire
  • Frequency: 50Hz ±2%
  • Back Up Power Supply: 3.6V Battery or supper capacitor
  • Memory: Non-Volatile with data retention for at least 40 years

Interfaces
  • Display: LCD, 6 to 8 digits with measuring and indication symbols
  • Optical interface: According to IEC61107

EM Compatibility
  • Fully compatible with IEC 61000-4-3, EN 50470-1 – IEC 62052-11

Anti-Tampering
  • Tamper monitoring: Phase reversal, Wrong phase sequence, Earthing, intentional Voltage disconnection, opening of meter cover and terminal block.
  • Tamper Records: Last 3 Events, Last 2 Events + Correction or Number of Attempts + total Time in minutes.
  • Overload Warning: Programmable Over Voltage and Over current with indication

Usage Conditions
  • Class of Protection: (IP 54) for Out Door and (IP 51) for In Door
  • Operating Temperature: -40 to 70 oC (3K7)
  • Storage Temperature: -40 to 85 oC
  • Relative Humidity: Up to 95%

Mechanical
  • Dimensions (L×W×D) (mm3): 286 x 176 x 60
  • Weight (Kg): 1.013
  • Material: Polycarbonate sustaining up to 960 oC