成都市約圖電氣設(shè)備有限公司

優(yōu)惠約圖DM4A-FR1.DM4B-FR1.DM5C-FR1面板表

說(shuō)明 Notes: 1.測(cè)量精度測(cè)試環(huán)境條件為:溫度20±2度,相對(duì)濕度45-75% Ambient temperature of 20±2,humidity to 75%R.H,the measuring accuracy can be assured. 2.任意量程的交直流電壓、電流表均可按用戶要求供貨。 All range voltage,Ampere meter,can suit the demand of customer. 3.配電流互感器其二次額定電流為5A，交流電壓互感器其二次額定電壓為100V，直流電流分流器其二次額定電壓為75mV。 With AC CT,the second rated ampere is 5A,AC PT of the second voltage is 100V,DC dividerof the second rated voltage is75mA 4.根據(jù)用戶要求儀表與電流互感器、分流器可以配套。 CTand DT may be equipped according to customers requirements. 六、技術(shù)參數(shù) SPECIFICATION 最大顯示 Max.display 1999(A/D 顯示平均值 AC Display available scaling function) 輸入方式 Input mode 單端輸入 Single-end Input A/D轉(zhuǎn)換 A/D converter 雙重積分 Dual slope 頻率范圍 Frequency range 40~400Hz (僅對(duì)交流) 溢出顯示 Overflow indication "1" or "-1" 極性顯示 Polarity display 只顯示"-" 僅對(duì)直流 Only "-" displayed (only DC) 顯示 Display 紅色數(shù)碼管(14.2mmH) LED Red LED 14.2mmH) 電源 Power Suqqly AC110/220V±10%，50/60Hz 耐壓 Insulation strength AC 1500V 1min 絕緣電阻 Insulation impedance DC 500≥100MΩ

成都市約圖電氣設(shè)備有限公司

李樹群