GCSTD-A/ B介電常數及介質損耗測試儀
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、技術指標
1. 雙掃描技術 - 測試頻率和調諧電容的雙掃描、自動調諧搜索功能。
2. 雙測試要素輸入 - 測試頻率及調諧電容值皆可通過數字按鍵輸入。
3. 雙數碼化調諧 - 數碼化頻率調諧，數碼化電容調諧。
4. 自動化測量技術 -對測試件實施 Q 值、諧振點頻率和電容的自動測量。
5. 全參數液晶顯示 – 數字顯示主調電容、電感、 Q 值、信號源頻率、諧振指針。
6. DDS 數字直接合成的信號源 -確保信源的高葆真，頻率的高精確、幅度的高穩定。
7. 計算機自動修正技術和測試回路*化 —使測試回路 殘余電感減至zui低，** Q 讀數值在不同頻率時要加以修正的困惑。
8． 使用者能在儀器給出的任何頻率、任意點調諧電容值下檢測器件的品質，無須關注量程和換算單位。
技術特性
型號
GCSTD-B
GCSTD-A
Q 值測量范圍
2 ～ 1023 ， 量程分檔： 30 、 100 、 300 、 1000 ，自動換檔或手動換檔
Q值測量范圍：2～1023。
Q值量程分檔：30、100、300、1000、自動換檔或手動換檔。
固有誤差
≤ 5 ％ ± 滿度值的 2 ％（ 200kHz ～ 10MHz ）
≤6％ ± 滿度值的2％（10MHz～160MHz）
20kHz～10MHz
≤5％±滿度值的2％；
10MHz～50MHz；
≤6％±滿度值的2％；。
工作誤差
≤7％ ± 滿度值的2％ （ 200kHz ～ 10MHz ）
≤8％ ± 滿度值的2％（10MHz～160MHz）
20kHz～10MHz
≤7％±滿度值的2％；
10MHz～60MHz；
≤8％±滿度值的2％
電感測量范圍
4.5nH ～ 140mH
14.5nH~8.14H
電容直接測量范圍
1 ～ 200pF
1～460pF
主電容調節范圍
18 ～ 220pF
30～500pF
150pF以下±1.5pF；
主電容調節準確度
120pF 以下 ± 1.2pF ； 120pF 以上 ± 1 ％
150pF以上±1％
信號源頻率覆蓋范圍
100kHz ～ 160MHz
10kHz～50MHz
頻率分段 （ 虛擬 ）
100 ～ 999.999kHz ， 1 ～ 9.99999MHz,10 ～ 99.9999MHz ， 100 ～ 160MHz
10～99.9999kHz
100～999.999kHz
1～9.99999MHz
10～60MHz
頻率指示誤差
3 × 10 -5 ± 1 個字
3×10-5±1個字
三、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。
四、產品配置：
a.測試主機一臺；
b.電感9只；
c.夾具一套
五、
a．消耗功率：約25W；
b．凈重：約7kg；
c. 外型尺寸：（l×b×h）mm：380×132×280。
d．測試樣品尺寸：直徑為Φ50mm/Φ38mm 厚度為0.5-15MM
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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
One, overview
The dielectric loss and dielectric constant is all kinds of porcelain, porcelain, ceramic capacitors and other devices, and composite materials is an important physical properties, by measuring the dielectric loss tangent of 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 non metal for the instrument.
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 Baozhen source, high stability and high precision, amplitude and frequency.
Automatic correction of 7 computer technology and test loop optimization makes 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
Model
GCSTD-B
GCSTD-A
Q measurement range
2 ~ 1023, range: 30, 100 grade, 300, 1000, automatic or manual shift
The Q value range: 2 ~ 1023.
The Q value range shift: 30, 100, 300, 1000, automatic or manual shift.
Intrinsic error
≤ 5% ± full scale value of 2% (200kHz ~ 10MHz)
≤ 6% ± full scale value of 2% (10MHz ~ 160MHz)
20kHz to 10MHz
≤ 5% ± full scale value 2%;
10MHz to 50MHz;
≤ 6% ± full scale value 2%;.
Work error
≤ 7% ± full scale value of 2% (200kHz ~ 10MHz)
≤ 8% ± full scale value of 2% (10MHz ~ 160MHz)
20kHz to 10MHz
≤ 7% ± full scale value 2%;
10MHz to 60MHz;
≤ 8% ± full scale value 2%
Inductance measurement range
4.5nH to 140mH
14.5nH~8.14H
Capacitance measurement range
1 - 200pF
1 - 460pF
The main capacitor adjustment range
18 - 220pF
30 - 500pF
The following 150pF + 1.5pF;
Regulation accuracy main capacitor
The following 120pF ± 1.2pF ± 1%; 120pF
150pF or + 1%
The signal source frequency coverage
100kHz to 160MHz
10kHz to 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 error indicator
3 x 10 -5 ± 1 words
3 x 10-5 ± 1 words
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
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