DNH2550绝缘电阻测试仪

厂商 :扬州市华特电力设备厂

江苏 扬州
  • 主营产品:
  • 高压开关测试仪器
  • 试验变压器
  • 继电保护测试仪
联系电话 :13651514578
商品详细描述
一、概述
DMH2550高压绝缘电阻测试仪(兆欧表),采用先进
的电子测量线路和元器件,其输出电压稳定、测量范围宽、
自动换挡、读数直观。特别适用于电力部门,大型厂矿企业,
测量电力电缆、电力变压器、发电机及高压开关等电气设备的绝缘
电阻、吸收比等,是取代老式摇表的理想产品。
二、工作特性
      1、工作条件
      a  使用温度:-10+40
      b  相对湿度:40     85%RH
      c  供电电压:DC   12V
2、性能特性:如表一
表一
 
 
2500V/5000 V
输出电压
DC
5KV±5%
2.5KV±5%
测量范围
1GΩ=
1000MΩ
2.5KV  02 GΩ
     1100 GΩ
5KV  04 GΩ
    2200 GΩ
测量误差
5KV 典型值
0.02100 GΩ10%其余±20%
三、外型结构
1、外型尺寸:200×140×80mm
2、重量:1Kg(含电池及测试线)
3、仪表结构示意说明如图一:
1、测试探针(L输出);2、屏蔽端子(G);3、测量(E);
4、电源按钮开关5、机械调零; 6、电池盖; 7、功能选择开关;
8、电池电压检测按钮, 仅限253 502两种类型。                                                                                                                                                                                                                                                                                                                                                                                                         

图一
                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
四、使用说明
将电池装入仪表后,功能开关置于“OFF”位置,按PRESS  TO 
TEST(电源按钮)和BATT  CHECK(电池检测钮),观察表针指示,
指针应在BATT.GOOD线内,则表明电池能满足仪器正常工作,否则应
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