- 產(chǎn)品品牌：
- 雙吉
- 產(chǎn)品型號(hào)：
- DDS333型單相液晶顯示電子式電能表（帶485）
- 類型：
- 單相電能儀表
- 基本電流：
- 1.5（6）-30（100） A
- 準(zhǔn)確度等級(jí)：
- 0.3
- 參比電壓：
- 220V V
- 電流倍率：
- 1
- 顯示方式：
- 液晶
- 頻率：
- 50 Hz
- 電流：
- 100 A
- 裝箱數(shù)：
- 20
| 概述 Application （） |
| DDS333型單相液晶顯示電子式電能表采用專用大規(guī)模集成電路以SMT生產(chǎn)工藝制造的產(chǎn)品，具有防竊電、防反接、高準(zhǔn)確度、高可靠性、高過載、功耗小、體積小和重量輕等特點(diǎn)。適用于計(jì)量額定頻率為50Hz~60Hz單相交流有功電能。本產(chǎn)品各項(xiàng)技術(shù)性能符合GB/T17215.321-2008《1級(jí)f,132級(jí)靜止式交流有功電能表》中的技術(shù)要求。
DDS333 type single—phase electronic watt—hour meter(LCD)adopts large—scale integrated circuit and SMT,with many obvious features like electric larceny prevention，reverse connection prevention，high accuracy,high reliability,high over load，low power consum ption，small volume，light weight，etc．It is suitable for measuring single—phase AC active energy of rated frequency 50Hz．Each per—formance of this product is in line with the technical requirements of GB/T17215.321-2008 Alternating Current Static Watt—hour Meters for Active Energy(Classes 1 and 2)． |
| 主要特點(diǎn) Strncture （） |
|
1、具有雙向計(jì)量有功電能的功能，液晶計(jì)度器(LCD)顯示； 1、Measure the active energy in double directions，display by LCD； 2、S-485 and infrared communication interfaces(optional)，which can take convenience for reading the energy of watt—hour meter； 3、Set or read back foIlowing parameters：total energy，instrument constant，meter address，meter password，etc．． 4、Watchdog system in the chip，which can bring more safe and reliable data，and keep the data for a long time at power failure(keep for over ten years at continuous power failure) 5、Isolated power supplies are the working power supplies of CPU，measuring part and RS485 interface respectively 6、The communication protocol is based on DLT Electric Power Industry Standard：Multi— fLunction Watt—hoLur Meter Commu—nication Protocol． |
| 規(guī)格及主要技術(shù)參數(shù) Main Technical Parameter （） |
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