Single Phase Prepayment Electronic Meter (DDYS22N01)

Product Description

Adopting special large-scale integrated circuit and manufactured with advanced SMT process, DDYS22Dx Single Phase Prepayment Electronic Meter is featured whit high degree of measuring accuracy, reliable and stable performance, long service life and low power dissipation. It measures the energy of 50Hz single-phase AC power and is p complys to the GB/T18460.3-2001 Standard strictly.

Functions and Characteristics:
* Accuracy class: 1.0 Class
* Class LCD display, LED indicators and mechanical register. Register displays the total amount of consumed power, LCD displays status of the meter and total and residual energy are displayed alternatively by LED indicators.
* IC card prepayment, purchasing before using.
* Meter reading card
* Negative energy consumption record and deduction
* Residential energy alarm to remind users purchasing electricity in time.
* Self verifying
* Special circuit against tamper and fraud
* RS485 communication port (optional).
* Net work retail

Contents		Technical Specifications
Standard		GB/T17215-2002, GB/T18460.3-2001
Measurement	Active	Positive active energy consumption measurement
Measurement	Active	Negative active energy consumption measurement(will be counted into positive active energy consumption)
Specification	Rated voltage(V)	220
	Rated current(A)	2(10) 5(25) 5(30) 10(50)
	Constant(imp/kWh)	6400 3200 1600
	Accuracy class	1.0
	Rated frequency	50Hz
Output	Output Test	Active Pulse width: 80ms±20%
Electrical Parameters	Normal working voltage	0.8Un --1.15Un
	Limit working voltage	0.7Un --1.2Un
	Power consumption	Voltage Circuit LCD <1.0W 5.0VA LED< 1.5W 5.0VA Current Circuit <1.0VA
	Display	Total 99999.9 kWh Residential 0--99999.9 kWh
	Storage after outage	>20years
	Service life of CPU Card	>5000 operations
	Accuracy of clock	<0.5s/day
Communication Protocol	Rs485	In accordance with DL/T645-1997
Communication Protocol	Carrier Wave communication	In accordance with DL/T698-1999
Climatical Condition	Normal working temperature	-25--55
	Limit working temperature	-30--60
	Storage temperature	-40--70
	Storage and working humidity	≤85%


Trademark:	longi
Model NO.:	DDYS22N01
Productivity:	20000 PCS/Year
Origin:	Ningxia, China
Packing:	Cartons
Electric Equipment:	Single-phase
Installation:	General Installation Meter
Power Source:	AC Meter
Theory:	Electronic Meter
Usage:	Meter for Industry and Home Use
Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Company:	Ningxia LGG Instrument Co. Ltd.