[96智能三相电流表PDM803A电力数显仪表三相交流电流表数码管显示]

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- Блок питания, 220v
- [工作电源AC/DC85-270V]
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| Цвет: | Блок питания, 220v, [工作电源AC/DC85-270V] |
[ PDM803A为三相电流表,外形96*96,开孔91*91。 ]
[定货请提供(型号,输入信号,工作电源)。]
[标配为显示单相电流0-5A,工作电源AC220V。另可选带功能有:RS485通讯,继电器报警,模拟量输出。]


[ 这里介绍可编程智能三相数显电流表的技术指标: ]
[ 1.标称信号输入:AC 1A、5A ]
[ 过量程:瞬时:10倍/5秒; 持续:1. 2倍 ]
[ 2.测量范围:0~6A,直接输入或通过互感器接入 ]
[ 3.显示范围:0.000~9999 A、KA,小数点根据量程自动切换 ]
[ 4.精度:0.5% ]
[ 5.绝缘强度:IEC 60255-5 2KVrms-1min ]
[ 6.环境承受能力: 工作IEC 60068-1和2 0℃~+55℃ ]
[ 储存IEC 60068-1和2 -25℃~+70℃ ]
[ 湿热IEC 60068-1-3 93%RH 40℃ ]
[ 7.使用场合:无腐蚀性气体及金属粉尘,海拔高度]< 3000 m
[ 8.工作电源及功耗:AC ( 85~265)V或DC ( 100~275)V ≤5VA ]
[ 2注意事项 ]
[ 1、使用前,仪表需通电15分钟。 ]
[ 2、注意防止震动和冲击,不要在有超量灰尘和超量有害气体的地方使用。 ]
[ 3、输入导线不宜过长,如被测信号输入端较长时请试用双绞屏蔽线。 ]
[ 4、若信号伴随高频干扰,应在线里试用低频过滤器。 ]
[ 5、长时间存放未使用时,请每三个月通电一次不少于4小时。 ]
[ 6、长期保存应避开直射光线,宜存放在环境温度-25]°C~55°C.
[ 7、如仪表无显示,应先检查辅助电源,电压是否在范围内。 ]
[ 8、如显示不正常,检查输入信号是否正常及信号接线端是否拧紧。 ]
[ 9、除非PT有足够功率,否则不能使用PT信号同时作为辅助电源,以保证仪表正常工作。 ]
[ 10、CT回路中的电流接线端子螺丝务必拧紧,保证进/出线接触可靠,以免产生故障。 ]
[ 11、若要校验仪表,校验仪器应优于0.1级,才能保证校验精度。 ]
[ 3标准配置 ]
[ ⑴仪表测量电网上三相电流。数字校零、数字校调,精度高,性价比极高。 ]
[ ⑵标准CT输入。 ]
[ ⑶宽范围交直流通用电源AC/DC80-265V或AC 220V. ]
[ ⑷三排四位LED数码实时显示,仪表可通过显示面板按键设定显示值。 ]









