GT-DWM-PP-0.5
Digital Three Phase kWh Prepaid Meter

GT-DWM-PP-0.5Digital Three Phase kWh Prepaid Meter

Standards: EN50470-1, EN50470-3, IEC62052-11, IEC62053-22
 
Measurements
– Accuracy Class: Active (kWh) Class 0.5 ( Class C )
– Energy: Active (kWh), Bidirectional
– Maximum Demand: (KW or Ampere) With time stamp, recent and historical values
– Instantaneous RMS Voltages and Currents
– 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
– Connection: Star 3-Wire and 4-Wire
– Frequency: 50Hz ±2%
– Back Up Power Supply: 3.6V Battery
– Memory: Non-Volatile with data retention for at least 40 years
 
Interfaces
– Display: Arabic LCD, 8 digits with measuring and indication symbols
– Optical interface: According to IEC61107
 
SmartCard
– Type: Contact/contactless (option) compatible with ISO7816
– Indications: Low credit, No Credit, alarm before no credit
– Switch OFF: In case of Over Load, cover open, No Credit except from 17:00 to 10:00, Fridays and holidays.
EM Compatibility
Fully compatible with IEC 61000-4-3, EN 50470-1 – IEC 62052-11
 
Anti-Tampering
– Tamper monitoring: Phase reversal, Wrong phase sequence, 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, and power disconnection
 
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 * 176 * 60
– Weight (Kg): 1.013
– Material: Polycarbonate sustaining up to 960 oC