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特点：精确度±0.15%满刻度可同时测量交流相电压线电压电流实功率虛功率功率因素頻率仟瓦小時输入配线系統可任意选择(1f2W/1f3W/3f3W/3f4W)CT比与PT比可任意設定(1至9999)手动与自动显示模式可任意规划3組警報控制功能数位RS-485界面主要规格：精确度(23 ±5℃): ±0.15% F.S.(VAWVarP.F./KWH)±0.05% F.S.(Frequency)输入负载: <0.15VA (Voltage/ Current)过载能力: Current related input: 3 x rated continuous10 x rated 30 sec. 25 x rated 3 sec. 50 x rated 1secVoltage related input:750V过载显示: "doFL"取样时间: 1 cycles/second(total)输入范围: AC voltage (60~600V)AC current (0.05~5A)AC frequency(45.00~65.00Hz)扫描模式: Auto or manual can be selective(Auto:chang page/5 second)CT/PT比值: 1~9999 adjustable继电器延迟动作时间: 0~999 second adjustable脉波输出形式: Standard open-collector (Max.DC60V/120mA)继电器容量: AC 250V-5A DC 30V-7A脉波输出数量: 0.001/0.01/0.1/1/10/100/1000 selective通讯位址: "01"~"FF"(0~255)传输速度: 38400/19200/9600/4800/2400 selective通信协议: Modbus RTU mode温度系数: 50ppm/℃ (0-60℃)显示幕: Red high efficiency LEDs high 7.0mm(0.28")参数设定方式: Touch switches记忆型式: Non-volatile E2PROM memory绝缘耐压能力: 2KVac/1 min. (input/output/power)突波测试: ANSI c37.90a/1974DIN-IEC 255-4impulse voltage 4KV(1.2x50us)使用环境条件: 0-50℃(20 to 90% RH non-condensed)存放环境条件: 0-70℃(20 to 90% RH non-condensed)CE认证: EN 55022:1998/A1:2000 Class AEN 61000-3-2:2000EN 61000-3-3:1995/A1:2001EN 55024:1998/A1:2001