home products Calibrator Single-Phase Multi-user kWh Meter DDSH720/721

Single-Phase Multi-user kWh Meter DDSH720/721

Place of Origin:China Guangdong	Model Number:DDSH720/721

Company Info

Company Published: 2007
Online Postings: Products , Selling Leads
Country/Territory: Hong Kong
Business Type: Trading Company, Agent, Distributor/Wholesaler
Number of Employees: 11 - 50 People

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Terms of Payment: T/T

Detailed Product Description

Single-Phase Multi-user kWh Meter DDSH720/721

APPLICATION:

The meter is used for the power measurement of sigle phase power consumer, esp. applied in housing residence area.

FUNCTIONS:

l Active energy measurement with Max. 10 users combined;

l LED, LCD display is available, displaying each users using power and other parameters.

l Set auto reading date at random, transfer and save energy data. Save data for 12 months;

l Set 3 tariffs, 10 time zones;

l Equipped with infrared port and RS485, complied to <<DL/T645-1997 Multi-function Meter Communication Protocol>>;

l Alarm in case of low battery, reverse active, register error and other defaults;

l Read the meter by button or infrared waking at power failure.

l Active energy pulse optic coupling output

FEATURES:

l A household with one meter, concentrative measurement display..

l Wide voltage range, high stability

l Fraud protection, no load running

l Low power consumption, wide load range

PARAMETERS:

Model			DDSH720
Class	active		1
Display			LCD/LED
Rated Voltage			220V
Rated Current			5(20)A 5(30)A 10(40)A 10(60)A
Power Loss		V Circuit	<2W/8VA
		I Circuit	<1VA
Working temperature			-2555
Limited. temperature			-4070
Ralative humidity			≤85%
Voltage Range			0.7Un1.3Un
Reference frequency			50Hz/60Hz
Start current			0.004Ib
Clock error			≤0.5s/d(23)
Dimension			324mmX263mmX70mm
Weight			Approx. 3.8kg