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介電常數測試儀及介質損耗測試儀

GCSTD-A
  滿足標準：GBT 1409-2006測量電氣絕緣材料在工頻、音頻、高頻（包括米波波長在內）下電容率和介質損耗因數的*方法
一、 概述
介質損耗和介電常數是各種電瓷、裝置瓷、電容器等陶瓷，還有復合材料等的一項重要的物理性質，通過測定介質損耗角正切tanδ及介電常數（ε），可進一步了解影響介質損耗和介電常數的各種因素，為提高材料的性能提供依據；儀器的基本原理是采用高頻諧振法，并提供了，通用、多用途、多量程的阻抗測試。它以單片計算機作為儀器的控制，測量核心采用了頻率數字鎖定，標準頻率測試點自動設定，諧振點自動搜索，Q值量程自動轉換，數值顯示等新技術，改進了調諧回路，使得調諧測試回路的殘余電感減至zui低，并保留了原Q表中自動穩幅等技術，使得新儀器在使用時更為方便，測量值更為精確。儀器能在較高的測試頻率條件下，測量高頻電感或諧振回路的Q值，電感器的電感量和分布電容量，電容器的電容量和損耗角正切值，電工材料的高頻介質損耗，高頻回路有效并聯及串聯電阻，傳輸線的特性阻抗等。
該儀器用于科研機關、學校、工廠等單位對無機非金屬新材料性能的應用研究。
二、 儀器的技術指標
   1．Q值測量
   a．Q值測量范圍：2～1023。
   b．Q值量程分檔：30、100、300、1000、自動換檔或手動換檔。
 c．標稱誤差
項    目 GCSTD-A
頻率范圍 20kHz～50MHz；
固有誤差 ≤5％±滿度值的2％；
工作誤差 ≤7％±滿度值的2％；
頻率范圍 10MHz～60MHz；
固有誤差 ≤6％±滿度值的2％；
工作誤差 ≤8％±滿度值的2％。
   2．電感測量范圍：14.5nH~8.14H

3．電容測量：1~ 460
項    目 GCSTD-A
直接測量范圍 1～460pF
主電容調節范圍
準確度 30～500pF
150pF以下±1.5pF；
150pF以上±1％
   注：大于直接測量范圍的電容測量見使用規則
   4．信號源頻率覆蓋范圍
項     目 GCSTD-A
頻率范圍 10kHz～50MHz
頻率分段
（虛擬） 10～99.9999kHz
100～999.999kHz
1～9.99999MHz
10～60MHz     
頻率指示誤差 3×10-5±1個字

   5．Q合格指示預置功能
      預置范圍：5～1000。
   6．Q表正常工作條件
   a.  環境溫度：0℃～+40℃；   
b．相對濕度：<80％；  
c．電源：220V±22V，50Hz±2.5Hz。
   7．其他
     a．消耗功率：約25W；  
b．凈重：約7kg；  
c. 外型尺寸：（l×b×h）mm：380×132×280。
   8．產品配置：
a.測試主機一臺；
b.電感9只；
c.夾具一套
   9、樣品尺寸：直徑為Φ50mm/Φ38mm  厚度為0.5-15MM

GCSTD-A
The dielectric constant and dielectric loss tester 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
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.
Technical indicators two, instrument
The measurement of 1.Q value
The a.Q value range: 2 ~ 1023.
The b.Q value range shift: 30, 100, 300, 1000, automatic or manual shift.
C. error
Item GCSTD-A
The frequency range of 20kHz to 50MHz;
The inherent error ≤ 5% ± full scale value 2%;
Work with error less than 7% ± full scale value 2%;
The frequency range of 10MHz to 60MHz;
The inherent error ≤ 6% ± full scale value 2%;
Work with error less than 8% ± full scale value 2%.
The 2 inductance measurement range: 14.5nH~8.14H
The 3 capacitance measurement: 1~ 460
Item GCSTD-A
Direct measurement of the range of 1 ~ 460pF
The main capacitor adjustment range
The accuracy of 30 ~ 500pF
The following 150pF + 1.5pF;
150pF or + 1%
Note: greater than direct measurement range of capacitance measurementsee using rules
Frequency of the 4 signal coverage
Item GCSTD-A
The frequency range of 10kHz to 50MHz
The frequency segment
(virtual) 10 ~ 99.9999kHz
100 - 999.999kHz
1 - 9.99999MHz
10 - 60MHz
Frequency indication error of 3 × 10-5 ± 1 words
5.Q conformity indicating preset function
The preset range: 5 ~ 1000.
Table 6.Q normal working conditions
A. environment temperature: 0 ℃ ~ +40 ℃;
Relative humidity: <80% b.;
C. power supply: 220V ± 22V, 50Hz ± 2.5Hz.
7 other
A. power consumption: about 25W;
B. net weight: about 7kg;
C. size: (L * b * h) mm:380 x 132 x 280.
8 the product configuration:
A. a test mainframe;
B. inductor 9;
A C. clamp
9, the sample size: diameter is phi 50mm/ Phi 38mm thickness of 0.5-15MM