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Print current pageProduct Description
- brief introduction
- technical parameter
- Product size
?Application
DDSY450P Single phase electronic prepaid energy meter with RFID card adopted the shielded, sealing structure, microchip controller collect, process, and save the data, with good electromagnetic immunity, low power loss, high accuracy, long overloading ability, long service life. The meter complies with the technical requirements of standards: GB/T17215-2002、GB/T18460.3-2001 and DL/T645-1997.
Main functions and features
1.Full digital chipset used for measuring single phase active energy, able to make user to purchase electricity in advance.
2.Alarm in case of absent electricity: according the setting value of low electricity limit, indicator flash for alarming, then cut off power supply and alarm again, remind user to purchase the electricity earlier.
3.Power off in case of overloading: when loading current exceed the maxi setting, the meter will cut off power supply, remind user of reducing loads, recover power supply after 5minutes, if it continue overloading, then continue cutting off power supply and alarming.
4.RFID card use advanced wireless communication technology, transfer the data between management system and meter via RFID card, this card encrypted through software and hardware several times, safely and reliably.
5.Bidirectional metering energy, anti-tamper
6.The breaker with magnetic holding relay, high overloading ability, high reliable, long service life
7.No-contact RFID card is used, the meter shell is sealed completely, the problem of easily being attacked does not occur.
Technical Specifications
1、Specification
2、Basic error
3.Reference frequency：50Hz、60Hz
4.The accuracy of long-term work without adjustment。
External And Installation Size
