Electric Smart Meter TCP/IP modbus kWh energy and power analyser



Specifications   Table 1 Electrical characteristics Type of measurement RMS including harmonics on three phase AC system (3P, 3P+N) 128 samples per cycle Measurement accuracy Power IEC 61557-12 Class 0.5  Active Energy IEC 62053-22 Class 0.5S, IEC 61557-12 Class 0.5 Reactive Energy IEC62053-23 Class 2, IEC 61557-12 Class 2 Frequency ±0.1% Current  ±0.2% Voltage ±0.2% Power Factor ±0.01 Harmonic Distortion 2 Data Update Rate 1 second nominal  Input-Voltage VT Primary  100~500000V ac Un 230 V L-N  Measured Voltage with Over-range and Crest Factor 100 to 480Vac L-L 100 to 276Vac L-N Permanent Overload 490V L-L 280V L-N Impedance 1M Ω Frequency Range 45~66Hz Input- Current CT Ratings Primary 1~9999A Secondary 1A / 5A  Measured current  with Over-range and Crest Factor 5mA~6A Withstand Continuous 8A 120A for 0.5Seconds Impedance <1 mΩ Frequency Range 45~66Hz Burden <0.036VA at 6A Auxiliary Power Supply Operating Range 65~480V AC / 80~660V DC Power Consumption < 7VA/3.5W. Frequency  45 to 65 Hz Digital output Number/Type 2 – electromagnetic relay Output Frequency 1 Hz maximum Switching Current 250 Vac at 3.0 Amps, 100k cycles, Isolation  2.5 KVac for 1min Digital Input Number 4 Input Resistance 10 kΩ Maximum Frequency 1kHz Response Time  10 milliseconds Isolation  2.5 KVac for 1min Mechanical Characteristics Weight 250g IP Degree of Protection  (IEC 60529) IP51 front display Dimensions (WxHxD) 96x96x70.3 Mounting Position Vertical Panel Thickness 1~5mm