三相交流電壓/電流電表

特點：

精確度0.15%滿刻度

可同時測量與顯示三相交流相電壓，線電壓，電流

CT比與PT比可任意設定(1至9999)

手動與自動顯示模式可任意規劃

突波測試強度4仟伏特(1.2x50us)

3組警報控制功能 (optional)

數位RS-485界面 (Optional)

主要規格：

精確度: 0.15% F.S.(23  ±5℃)

 輸入負載: <0.15VA (Voltage/ Current)

最大過載能力: Current related input: 3 x rated continuous

10 x rated 30 sec. 25 x rated 3 sec. 50 x rated 1 sec.                                                                                                                                                                                                                                                                                                                              Voltage related input:maximum AC 750V

過載顯示: "doFL"

輸入范圍: AC voltage(60~600V)(45~65Hz)

AC current(0.05~5A)(45~65Hz)

取樣時間: 10 cycles/second(total)

掃描模式: Auto or manual can be selective

 (Auto:chang page/10 second)

CT/PT比值: 1~9999 adjustable

繼電器延遲動作時間: 0~999 second adjustable

脈波輸出形式: Standard open-collector

 (Max.DC60V/120mA)

繼電器容量: AC 250V-5A, DC 30V-7A

通訊位址: "01"~"FF"(0~255)

傳輸速度: 19200/9600/4800/2400 selective

通信協議: Modbus RTU mode

溫度系數: 50ppm/℃ (0-60℃)

顯示幕: Red high efficiency LEDs high 7.0mm(0.28")

參數設定方式: Touch keys

記憶型式: Non-volatile E2PROM memory

絕緣耐壓能力: 2KVac/1 min. (input/output/power)

突波測試: ANSI c37.90a/1974,DIN-IEC 255-4

impulse voltage 4KV(1.2x50us)

使用環境條件: 0-50℃(20 to 90% RH non-condensed)

存放環境條件: 0-70℃(20 to 90% RH non-condensed)

CE認證: EN 55022:1998/A1:2000 Class A

EN 61000-3-2:2000

EN 61000-3-3:1995/A1:2001

EN 55024:1998/A1:2001