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介电常数及介质损耗测试仪     

编号：GD201310250003

规格：GCSTD-B

高频测量:20KHZ-160MHZ

GCSTD-A/ B介电常数及介质损耗测试仪

满足版本国家标准：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*方法

一、概述

介质损耗和介电常数是各种电瓷、装置瓷、电容器等陶瓷，还有复合材料等的一项重要的物理性质，通过测定介质损耗角正切tanδ及介电常数（ε），可进一步了解影响介质损耗和介电常数的各种因素，为提高材料的性能提供依据；仪器的基本原理是采用高频谐振法，并提供了，通用、多用途、多量程的阻抗测试。它以单片计算机作为仪器的控制，测量核心采用了频率数字锁定，标准频率测试点自动设定，谐振点自动搜索，Q值量程自动转换，数值显示等新技术，改进了调谐回路，使得调谐测试回路的残余电感减至zui低，并保留了原Q表中自动稳幅等技术，使得新仪器在使用时更为方便，测量值更为精确。仪器能在较高的测试频率条件下，测量高频电感或谐振回路的Q值，电感器的电感量和分布电容量，电容器的电容量和损耗角正切值，电工材料的高频介质损耗，高频回路有效并联及串联电阻，传输线的特性阻抗等。

该仪器用于科研机关、学校、工厂等单位对无机非金属新材料性能的应用研究。

二、介电常数及介质损耗测试仪*的技术指标

1.   双扫描技术 - 测试频率和调谐电容的双扫描、自动调谐搜索功能。

2.   双测试要素输入 - 测试频率及调谐电容值皆可通过数字按键输入。

3.   双数码化调谐 - 数码化频率调谐，数码化电容调谐。

4.   自动化测量技术 -对测试件实施 Q 值、谐振点频率和电容的自动测量。

5.   全参数液晶显示 – 数字显示主调电容、电感、 Q 值、信号源频率、谐振指针。

6.   DDS 数字直接合成的信号源 -确保信源的高葆真，频率的高精确、幅度的高稳定。

7.   计算机自动修正技术和测试回路*化 —使测试回路 残余电感减至zui低，** Q 读数值在不同频率时要加以修正的困惑。

8．　　使用者能在仪器给出的任何频率、任意点调谐电容值下检测器件的品质，无须关注量程和换算单位。

技术特性

型号

GCSTD-B

GCSTD-A

Q 值测量范围

2 ～ 1023 ， 量程分档： 30 、 100 、 300 、 1000 ，自动换档或手动换档

Q值测量范围：2～1023。

Q值量程分档：30、100、300、1000、自动换档或手动换档。

固有误差

≤ 5 ％ ± 满度值的 2 ％（ 200kHz ～ 10MHz ）

≤6％ ± 满度值的2％（10MHz～160MHz）

20kHz～10MHz

≤5％±满度值的2％；

10MHz～50MHz；

≤6％±满度值的2％；。

工作误差

≤7％ ± 满度值的2％ （ 200kHz ～ 10MHz ）

≤8％ ± 满度值的2％（10MHz～160MHz）

20kHz～10MHz

≤7％±满度值的2％；

10MHz～60MHz；

≤8％±满度值的2％

电感测量范围

4.5nH ～ 140mH

14.5nH~8.14H

电容直接测量范围

1 ～ 200pF

1～460pF

主电容调节范围

18 ～ 220pF

30～500pF

150pF以下±1.5pF；

主电容调节准确度

120pF 以下 ± 1.2pF ； 120pF 以上 ± 1 ％

150pF以上±1％

信号源频率覆盖范围

100kHz ～ 160MHz

10kHz～50MHz

频率分段 （ 虚拟 ）

100 ～ 999.999kHz ， 1 ～ 9.99999MHz,10 ～ 99.9999MHz ， 100 ～ 160MHz

10～99.9999kHz

100～999.999kHz

1～9.99999MHz

10～60MHz

频率指示误差

3 × 10 -5 ± 1 个字

3×10-5±1个字

三、正常工作条件

a.  环境温度：0℃～+40℃；

b．相对湿度：<80％；

c．电源：220V±22V，50Hz±2.5Hz。

四、产品配置：

a.测试主机一台；

b.电感9只；

c.夹具一套

五、

     a．消耗功率：约25W； 

b．净重：约7kg； 

c. 外型尺寸：（l×b×h）mm：380×132×280。

     d．测试样品尺寸：直径为Φ50mm/Φ38mm  厚度为0.5-15MM

亲，请继续阅读英文资料

GCSTD-A/ B dielectric constant and dielectric loss tester

Meet the standards: GBT 1409-2006 measurement of electrical insulating materials at power, audio, high-frequency (including wavelength, VHF)recommended methods of permittivity and dielectric loss factor

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One, overview

The dielectric loss and dielectric constant is all kinds of porcelain,porcelain, ceramic capacitors and other devices, and composite materialsis an important physical properties, by measuring the dielectric loss tangentof Tan δ and Permittivity (epsilon), can further understand the factors influencing the dielectric loss and dielectric constant, and provide the basis for improve the properties of materials; the basic principle of instrument is using high frequency resonance method, and provides a general, impedance test, multi use, multi range. It uses single-chip computer as core control measuring instrument, using the frequency locking, frequency standard test point automatic setting, resonant point automatic search, Q value range automatic conversion, numerical display and other new technology, improved the tuning circuit, the tuning circuit for testing the residual inductance is reduced to the minimum, and retains the original Q table in the automatic amplitude stabilizer technology, makes the new instrument in the use of more convenient, more accurate measurement. Instrument in high frequency test conditions, measurement of high frequency inductor and resonant loop of the Q value, inductance and distributed capacitance of inductors, capacitance and loss tangent of dielectric loss, high frequency electrical materials, high frequency circuit in parallel and series resistance, the characteristic impedance of the transmission line

Research and application of scientific research institutions, schools,factories and other units of the new material properties of inorganic nonmetal for the instrument.

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Two, technical indicators

1 double scanning technology - testing frequency and tuning capacitor double scanning, automatic tuning the search function.

2 pairs of test element input - testing frequency and tuning capacitor value can be input by digital keyboard.

3 double digital tuning - digital frequency tuning, digital tuning capacitor.

Automatic measurement of 4 automatic measurement techniques - Q value,resonant frequency and capacitance of test piece.

5 the parameters of liquid crystal display, digital display main capacitor,inductor, Q value, signal source frequency, resonant pointer.

6 DDS direct digital synthesis signal source to ensure high Baozhensource, high stability and high precision, amplitude and frequency.

Automatic correction of 7 computer technology and test loop optimizationmakes the test loop residual inductance is reduced to the minimum, the complete eradication of Q reading values at different frequencies to be amended puzzle.

8 users can value detection device quality at any point in any given frequency apparatus, tuning capacitor, without attention range and conversion unit.

Technology characteristics

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Model GCSTD-B GCSTD-A

Q measurement range of 2 ~ 1023, range: 30, 100 grade, 300, 1000,automatic or manual shift Q value range: 2 ~ 1023.

The Q value range shift: 30, 100, 300, 1000, automatic or manual shift.

The inherent error ≤ 5% ± full scale value of 2% (200kHz ~ 10MHz)

≤ 6% ± full scale value of 2% (10MHz ~ 160MHz) 20kHz ~ 10MHz

≤ 5% ± full scale value 2%;

10MHz to 50MHz;

≤ 6% ± full scale value 2%;.

Work with error less than 7% ± full scale value of 2% (200kHz ~ 10MHz)

≤ 8% ± full scale value of 2% (10MHz ~ 160MHz) 20kHz ~ 10MHz

≤ 7% ± full scale value 2%;

10MHz to 60MHz;

≤ 8% ± full scale value 2%

Inductance measurement range of 4.5nH to 140mH 14.5nH~8.14H

Capacitance measurement range of 1 ~ 200pF, 1 ~ 460pF

The main capacitor adjustment range of 18 ~ 220pF, 30 ~ 500pF

The following 150pF + 1.5pF;

The main capacitor regulation accuracy 120pF ± 1.2pF; 120pF ± 1% 150pF ± 1%

The signal source frequency coverage range of 100kHz ~ 160MHz and 10kHz ~ 50MHz

The frequency segment (virtual) 100 ~ 999.999kHz, 1 ~ 9.99999MHz, 10 ~ 99.9999MHz, 100 ~ 160MHz, 10 ~ 99.9999kHz

100 - 999.999kHz

1 - 9.99999MHz

10 - 60MHz

Frequency indication error of 3 × 10 -5 ± 1 words of 3 × 10-5 ± 1 words

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Three, the normal working conditions

A. environment temperature: 0 ℃ ~ +40 ℃;

Relative humidity: <80% b.;

C. power supply: 220V ± 22V, 50Hz ± 2.5Hz.

Four, product configuration:

A. a test mainframe;

B. inductor 9;

A C. clamp

Five,

A. power consumption: about 25W;

B. net weight: about 7kg;

C. size: (L * b * h) mm:380 x 132 x 280.

The D. test sample size: diameter is phi 50mm/ Phi 38mm thickness of 0.5-15MM