Prepayment Intelligent Electric Meter , Single Phase Watt Hour Meter High Accuracy

Prepayment Intelligent Electric Meter , Single Phase Watt Hour Meter High Accuracy

General:

DDZY150 single phase smart prepayment meter is the smart measurement and load control unit which can be used in one phase two wire power network. It can be integrated into AMI vending system and it complies with IECENSTS standard and uses DLMS/COSEM and STS protocol to communicate with the utility by local communication (RS485 and Optical port) and remote communication modem for energy consumption monitoring/power net quality monitoring/load limited monitoring/event record monitoring/credit charging.

Highlight:

• DLMS/COSEM HDLC and IPV4 protocol ensures an open and secure communicational system and well compatibility performance.
• STS standard protocol ensures an open and secure prepayment vending system, the numeric token is transferred into the meter via local and remote communication.
• Prepayment and postpaid mode switchable according to customers’ requirement.
• Supporting multi remote communication modem, for example: GPRS/3G/4G/PRIME-PLC/ G3-PLC/ Mesh RF/Ethernet, Easy to replace on site and register automatically.
• Unidirectional or Bi-directional energy measurement, including active forward and reverse active energy measurement, Instantaneous value measurement.
• Combinational reactive energy and four quadrant reactive energy, apparent energy.
• Multi-tariff with 10 switch-time tables, 8 day tables, 12 week tables and 12 season tables.
• Maximum demand for total and tariffs active/reactive/apparent power.
• Internal switch relay for load control by configuring, load limited control and at least 6 channel load profile records.
• Event log function including multiple tamper event detections/power net event detections /load control detections.
• Flexible RTC with accuracy 0.5s /day, and leap year auto switch.
• Easy to identify the alarm and error via the LCD display and LED.
• Easy to operate by 2 buttons and 3x4 number function keypad.
• Standard BS or DIN bottom convenient for site installation.
• Easy to replace the Battery, without uninstalling.
• LCD backlight can increase readability under low light condition.