北京华测试验仪器有限公司 已通过实名认证

                                    华测工频介电常数及介质损耗测试仪HCJDCS-G




一、华测工频介电常数及介质损耗符合标准： 
      GBT 1409-2006测量电气绝缘材料在工频、音频、高频(包括米波波长在内)下电容率和介质损耗因数的推荐方法。
    
二、华测工频介电常数及介质损耗产品概述：    
1、主要用于测量高压工业绝缘材料的介质损失角的正切值及电容量。主要可以测量电容器、互感器、变压器、绝缘纸、电容器薄膜等各种电工油及各种固体绝缘材料在工频高压下的介质损耗(tgδ)和电容量( Cx)，其测量线路采用“正接法”即测量对地绝缘的试品。由于电桥内附有一个2500KV的高压电源及一台高压标准电容器，并将副桥和检流计与高压电桥有机的结合在一起，特别适应测量各类绝缘油和绝缘材料的介损(tgδ)及介电常数(ε)。
2、桥体本身带有5kV/100pF标准电容，测量材料介损更为方便。
3、桥体内附电位跟踪器及指另仪，外围接线及少。
4、桥体采用了多样化的介损测量线路。 


三、华测工频介电常数及介质损耗技术参数：
1、测量范围及误差 
               在Cn＝100pF    R4＝3183.2(Ω)(即10K/π)时
测量项目 测量范围 测量误差
电容量Cx 40pF--20000pF ±0.5% Cx±2pF
介质损耗tgδ 0～1 ±1.5％tgδx±1×10-4
             在Cn＝100pF    R4＝318.3(Ω)(即1K/π)时
测量项目 测量范围 测量误差
电容量Cx 4pF--2000pF ±0.5% Cx±2pF
介质损耗tgδ 0～0.1 ±1.5％tgδx±1×10-4
 










Cx＝R4×Cn/R3
tgδ＝ω?Ｒ４?Ｃ４
高压电源技术特性
电压输出：0～2500V/50Hz
高压电流输出：0～20mA
内置标准电容器
电容量的名义值为100pF
tgδ小于5×10-5


固体绝缘材料测试电极
本电极适用于固体电工绝缘材料如绝缘漆、树脂和胶、浸渍纤制品、层压制品、云母及其制品、塑料、电缆料、薄膜复合制品、陶瓷和 玻璃等的相对介电系数（ε）与介质损耗角正切值（tgδ）的测试。本电极主要用于频率在工频50Hz下测量试品的相对介电系数（ε）和介质损耗角正切值（tgδ）。本电极的设计主要是参照国标GB1409-2006。
本电极采用的是三电极式结构，能有效的消除表面漏电流的影响，使测量电极下的电场趋于均匀电场。 
主要技术指标
高低压电极之间距离：0～14mm可调
测量极直径：￠38±0.1mm
高压电极直径：￠56±0.1mm
测量极与保护环间隙为1±0.05
空极tgδ：≤5×10-5
**测试电压：2kV
实验频率：50/60Hz
常温或耐受温度200℃(数字百分表不能加温）
带数字百分表测量范围为0~12mm
制作技术指标依据GB/T1303.2---2009
注：原材料为不锈钢与聚四氟乙烯，接口为与电桥配套用专用插座（带专用插头）。
















The frequency of dielectric constant and dielectric loss tester
A standard:
GBT 1409-2006 measurement of electrical insulating materials at power, audio, high-frequency (including meter wavelengths) recommended methods of permittivity and dielectric dissipation factor.
Two, product overview:
1, mainly used for the measurement of high voltage dielectric loss tangent of the angle of industrial insulation value and capacitance. The main measurement of capacitor, transformer, transformer, insulation paper, capacitor film and other electrical oil and all kinds of solid insulating materials in high voltage under the dielectric loss (TG delta) and capacitance (Cx), the measuring circuit adopts the "connect" to measure the insulation test. Due to the high voltage power supply bridge with a 2500KV and a high voltage standard capacitor, and the pair of bridge and the galvanometer with high voltage bridge organic unifies in together, especially suitable for the measurement of dielectric loss of insulating oil and insulation materials (TG delta) and Permittivity (epsilon).
2, the bridge itself with 5kV/100pF standard capacitance, dielectric loss measurement of material is more convenient.
3, the bridge body of potential tracker and other apparatus, external wiring and less.
4, the bridge using a dielectric loss measuring line variety.
Three, the technical parameters:
1, the measurement range and error
In the Cn = 100pF, R4 = 3183.2 (omega) (10K/ n) time
Measurement error of measurement measuring range
The capacitance of Cx 40pF--20000pF + 0.5% Cx + 2pF
The dielectric loss TG delta 0 ~ 1 + 1.5%tg + 1 * 10-4 X.
In the Cn = 100pF, R4 = 318.3 (omega) (1K/ n) time
Measurement error of measurement measuring range
The capacitance of Cx 4pF--2000pF + 0.5% Cx + 2pF
The dielectric loss TG delta 0 ~ 0.1 + 1.5%tg + 1 * 10-4 X.
Cx = R4 * Cn/R3
Delta = Omega TG? R4? C4
The technical characteristics of the high voltage power supply
Output voltage: 0 ~ 2500V/50Hz
High voltage current output: 0 ~ 20mA
The built-in standard capacitor
Nominal capacitance value is 100pF
TG is less than 5 * 10-5.
Solid insulating materials testing electrode
The electrode for solid electrical insulating dielectric coefficient materials such as insulation paint, resin and rubber, impregnated fiber products, laminated products, mica and its products, plastic, cable materials, thin film composite products, ceramics and glass, (E) and dielectric loss tangent (TG delta) test. The electrode is mainly used for relative dielectric constant measurement of frequency in the frequency of 50Hz of the sample (s) and dielectric loss tangent (TG Delta). The design of the electrode is mainly refer to the national standard GB1409-2006.
The electrode is used in the three pole type structure, can effectively eliminate the influence of surface leakage current, the electric field measurement electrode under uniform electric field.
The main technical indicators
The distance between the high voltage electrode: 0 ~ 14mm adjustable
Measurement of diameter: 38 + 0.1mm
The high voltage electrode diameter of 0.1mm: 56.
Measurement and protection ring gap is 1 + 0.05
The air is less than 5 * 10-5 TG Delta.
The maximum test voltage: 2kV
Test frequency: 50/60Hz
At room temperature the temperature of 200 DEG C or tolerance (digital indicator can\'t heating)
With digital dial indicator measuring range is 0~12mm
Production of technical indicators based on GB/T1303.2---2009
Note: the raw material is stainless steel with PTFE, interface and bridge supporting the use of the special socket (with a special plug).