99ri国产在线播放_不卡一区在线_日韩v欧美_韩国av电影免费观看_天天综合性_国产精品制服在线观看

Overview

DDSH450 series energy meter is one kind of electronic intelligent KWH meter for multiple users, adopting module structure, based on MCU, provide an independent measuring unit for each user, to perform separately collecting the electric consumption, and centrally displaying all the data, able to measure the mixed modes: single phase/ three phase/double feeder of one user/triple feeders of one user.

This product has the advantages of high accuracy, small size, easy installation, widely used in mineral and industrial enterprises, urban and suburban living zone, student apartment, rural network, reforming the old buildings, high buildings to measure the electric energy.

The meter complies with standard of GB/T17215.321-2008 “Static Active Energy Meter 《class 1.0 and 2.0》and JB/T10451-2004 《 AC Static Active Energy Meter for Multiple Users.

Model and its meaning

Main functions

◆  Able to measure the bi-directional energy, exactly the negative and positive energy, both to be accumulated at one direction, effectively avoid the tampering user and electric loser.

◆  LED used to display the user code, accumulated      the consumed KWH and rest KWH in turns (for prepaid type meter).

◆  It will record the KWH datum every 15 minutes, and save them in case of power failure.

◆  Able to clear the datum, and backup the data for check.

◆  Push key provided to set meter No, maxi power limit, able to forcedly switch off power supply, clear off the data (need to verify the password, and the password can be changed).