检测认证人脉交流通讯录
优惠约图DM4A-FR1.DM4B-FR1.DM5C-FR1面板表
- 说明 Notes:
1.测量精度测试环境条件为:温度20±2度,相对湿度45-75%
Ambient temperature of 20±2,humidity to 75%R.H,the measuring accuracy can be assured.
2.任意量程的交直流电压、电流表均可按用户要求供货。
All range voltage,Ampere meter,can suit the demand of customer.
3.配电流互感器其二次额定电流为5A，交流电压互感器其二次额定电压为100V，直流电流分流器其二次额定电压为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.根据用户要求仪表与电流互感器、分流器可以配套。 CTand DT may be equipped according to customers requirements.
六、技术参数 SPECIFICATION
最大显示 Max.display 1999(A/D 显示平均值 AC Display available scaling function)
输入方式 Input mode 单端输入 Single-end Input
A/D转换 A/D converter 双重积分 Dual slope
频率范围 Frequency range 40~400Hz (仅对交流)
溢出显示 Overflow indication "1" or "-1"
极性显示 Polarity display 只显示"-" 仅对直流 Only "-" displayed (only DC) 显示 Display 红色数码管(14.2mmH) LED Red LED 14.2mmH)
电源 Power Suqqly AC110/220V±10%，50/60Hz
耐压 Insulation strength AC 1500V 1min
绝缘电阻 Insulation impedance DC 500≥100MΩ
