DSS79/DTS79系列電子式三相三線/四線有功電能表采用專用大規(guī)模集成電路,SMT制造工藝，性能優(yōu)越，安全可靠。根據(jù)用戶需要，產(chǎn)品可提供正反累加計(jì)量、分相計(jì)量、止逆、缺相指示、分相有功反向指示等擴(kuò)展功能。
　　該系列產(chǎn)品具有良好的抗電磁干擾，使用壽命長，準(zhǔn)確度及可靠性高，負(fù)載寬，功耗低，體積小，重量輕，便于安裝、管理自動(dòng)化、功能擴(kuò)展方便等特點(diǎn)。其性能符合國家標(biāo)準(zhǔn)GB/T17215-2002《1級(jí)和2級(jí)靜止式交流有功電能表》。產(chǎn)品可選配紅外和 RS485接口，適用于遠(yuǎn)程抄表，通信符合DL/T 645-1997《多功能電能表通信規(guī)約》. 生產(chǎn)本產(chǎn)品的質(zhì)量管理體系通過了GB/T 19001(ISO9001)。
　　　結(jié) 構(gòu)：
　　　■ 電表采用加強(qiáng)型密封，表殼阻燃、抗老化。
　　　■ 黃色、綠色、紅色三只LED燈指示A、B、C失壓，1只紅色LED燈指示電量脈沖。
　　　■ 一路光耦隔離脈沖輸出，輸出寬度約為80ms，供校驗(yàn)使用。
　　　■ 可選配紅外或RS485接口。
　　　■ 電量顯示可采用計(jì)度器或LCD液晶或LED數(shù)碼管方式。
　　　技術(shù)參數(shù)：
　　　■ 額定電壓(V)：三相三線：3×100; 三相四線：3×220/380 3×230/400
　　　■ 工作電壓范圍：70%Un～120%Un
　　　■ 額定電流(A)： 三相三線：3×1.5(6)；
三相四線：3×1.5(6), 3×5(20), 3×5(30), 3×5(40)，3×10(40), 3×10(60) , 3×10(80), 3×15(60) ,3×15(90), 3×20(80), 3×30(100) 　■ 額定頻率(Hz)：50，60
　■ 準(zhǔn)確度等級(jí)：1級(jí)，2級(jí)
　■ 功耗：電壓回路（每相）≤2W，10VA；電流回路（每相）≤1VA
　■ 工作溫度(℃)：-25～+55，極限工作溫度(℃)：-45～+70
　■ 相對濕度：≤75%（年平均）
　　■ 平均使用壽命（年）：＞10
　功 能：
　■ 單向或雙向有功電能計(jì)量。
　■ 具有脈沖輸出，接入RS-485通信接口，可以實(shí)現(xiàn)遠(yuǎn)程自動(dòng)抄表。
　■ 具有防竊電功能。
適用范圍：
■ 3×100V 3×1.5(6)A為經(jīng)互感器接入式儀表，適用于頻率為50Hz（60Hz）的三相三線 制高壓供電高壓計(jì)量的大工業(yè)用戶有功電量計(jì)費(fèi)用表。
■ 3×220/380V 3×1.5(6)A 為經(jīng)互感器接入式儀表，適用于頻率為50Hz（60Hz）的三相 三線制高壓供電低壓計(jì)量的大工業(yè)用戶有功電量計(jì)費(fèi)用表及三相四線制低壓供電的工業(yè)、 非工業(yè)用戶有功電量計(jì)費(fèi)用表。
■ 3×220/380V 3×5(20)---- 3×30(100)A 為直接接入式儀表，適用于頻率為50Hz（60Hz） 的三相四線制低壓供電的工業(yè)、非工業(yè)用戶有功電量計(jì)費(fèi)用表。也適用于用電量大采用三相 四線 制低壓供電的居民照明計(jì)費(fèi)用表。
DSS79 Static 3-phase 3-wire Energy Meter for AC Active Energy
DTS79 Static 3-phase 4-wire Energy Meter for AC Active Energy
Main Features
■ Adopting special large-scale integrated circuit and manufactured with advanced SMT process
■ Long life, excellent & reliable function, high precision, wide load range
■ Low self-consumption, small volume, light weight
■ Easy installation, automatic management, extended function
■ RS 485 and infrared interface can be added for remote reading
■ Good resistance to electromagnetic interference
■ As per user, following function can be added:
Accumulative measurement of positive and negative energy; Separate phase measurement; Indication for anti-reverse, absent phase and negative separate phase of active energy
■ All specification meeting standard GB/T17215-2002 on" Alternating current static watt-hour meters for active energy (classes 1 and 2)", DL/T645- 1997 on" Multi-function watt-hour meter communication protocol"
■ Passed JQAC certificate according to GB/T19001(ISO9001) Structure
■ Specially sealed case of flame-retardant、rust-proof and anti-aging
■ The yellow、green、red LED indicating A、B、C lost voltage and another red LED indicating energy pulse.
■ One channel of optical pulse output for calibration with width of about 80ms
■ RS 485 and infrared interface can be added
■ Displaying energy by means of counter、LED or LCD
Technical Parameters
■ Rated Voltage(V) : 3-phase 3-wire: 3×100; 3-phase 4-wire: 3×220/380 3×230/400
■ Operation Voltage (v) 70%Un~120%Un
■ Rated Current(A) : 3-phase 3-wire: 3×1.5(6);
3-phase 4-wire: 3×1.5(6), 3×5(20), 3×5(30), 3×5(40)，3×10(40), 3×10(60) ，3×10(80), 3×15(60) ,3×15(90), 3×20(80), 3×30(100)
■ Rated Frequency(Hz): 50，60
■ Accuracy: class1, class2
■ Power Consumption: voltage circuit:≤2W/10VA / phase　current circuit: ≤1VA / phase
■ Ambient Temperature(℃): -25~+55，Limits of temperature(℃): -45~+70
■ Relative Humidity: ≤75% (annual average)
■ Life(year):＞15
Function
■ Measuring active energy unidirectional or bi-directional
■ Having pulse output and to realize AMR with RS-485 interface added
■ Excellent anti-tamper & fraud function
Scope of Use
■ 3×100V 3×1.5(6)A is for transformer operated meters suitable for big industrial unit using 50Hz(60Hz) of 3-phase 3-wire electric power which is high-voltage supplied and high-voltage measured
■ 3×220V/380V 3×1.5(6)A is for transformer operated meters suitable for big industrial unit using 50Hz(60Hz) of 3-phase 3-wire electric power which is high-voltage supplied while low-voltage charged or suitable for industrial & non-industrial unit using 50Hz(60Hz) of 3-phase 4-wire electric power which is low-voltage supplied
■3×220V/380V 3×5(20)A----3×30(100)A is for direct connected meter suitable forindustrial & non-industrial unit using 50Hz(60Hz) of 3-phase 4-wire electric power which is low- voltage supplied or suitable for large-energy- consuming residential energy measurement using 3-phase 4-wire electric power which is low- voltage supplied