介電常數(shù)及介質(zhì)損耗測(cè)試儀     

編號(hào)：GD201310250003

規(guī)格：GCSTD-B

高頻測(cè)量:20KHZ-160MHZ

GCSTD-A/ B介電常數(shù)及介質(zhì)損耗測(cè)試儀

滿足版本國(guó)家標(biāo)準(zhǔn)：GBT 1409-2006測(cè)量電氣絕緣材料在工頻、音頻、高頻（包括米波波長(zhǎng)在內(nèi)）下電容率和介質(zhì)損耗因數(shù)的推薦方法

一、概述

介質(zhì)損耗和介電常數(shù)是各種電瓷、裝置瓷、電容器等陶瓷，還有復(fù)合材料等的一項(xiàng)重要的物理性質(zhì)，通過(guò)測(cè)定介質(zhì)損耗角正切tanδ及介電常數(shù)（ε），可進(jìn)一步了解影響介質(zhì)損耗和介電常數(shù)的各種因素，為提高材料的性能提供依據(jù)；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(cè)試。它以單片計(jì)算機(jī)作為儀器的控制，測(cè)量核心采用了頻率數(shù)字鎖定，標(biāo)準(zhǔn)頻率測(cè)試點(diǎn)自動(dòng)設(shè)定，諧振點(diǎn)自動(dòng)搜索，Q值量程自動(dòng)轉(zhuǎn)換，數(shù)值顯示等新技術(shù)，改進(jìn)了調(diào)諧回路，使得調(diào)諧測(cè)試回路的殘余電感減至zui低，并保留了原Q表中自動(dòng)穩(wěn)幅等技術(shù)，使得新儀器在使用時(shí)更為方便，測(cè)量值更為精確。儀器能在較高的測(cè)試頻率條件下，測(cè)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(zhì)損耗，高頻回路有效并聯(lián)及串聯(lián)電阻，傳輸線的特性阻抗等。

該儀器用于科研機(jī)關(guān)、學(xué)校、工廠等單位對(duì)無(wú)機(jī)非金屬新材料性能的應(yīng)用研究。

二、介電常數(shù)及介質(zhì)損耗測(cè)試儀*的技術(shù)指標(biāo)

1.   雙掃描技術(shù) - 測(cè)試頻率和調(diào)諧電容的雙掃描、自動(dòng)調(diào)諧搜索功能。

2.   雙測(cè)試要素輸入 - 測(cè)試頻率及調(diào)諧電容值皆可通過(guò)數(shù)字按鍵輸入。

3.   雙數(shù)碼化調(diào)諧 - 數(shù)碼化頻率調(diào)諧，數(shù)碼化電容調(diào)諧。

4.   自動(dòng)化測(cè)量技術(shù) -對(duì)測(cè)試件實(shí)施 Q 值、諧振點(diǎn)頻率和電容的自動(dòng)測(cè)量。

5.   全參數(shù)液晶顯示 – 數(shù)字顯示主調(diào)電容、電感、 Q 值、信號(hào)源頻率、諧振指針。

6.   DDS 數(shù)字直接合成的信號(hào)源 -確保信源的高葆真，頻率的高精確、幅度的高穩(wěn)定。

7.   計(jì)算機(jī)自動(dòng)修正技術(shù)和測(cè)試回路*化 —使測(cè)試回路 殘余電感減至zui低，** Q 讀數(shù)值在不同頻率時(shí)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(diǎn)調(diào)諧電容值下檢測(cè)器件的品質(zhì)，無(wú)須關(guān)注量程和換算單位。

技術(shù)特性

型號(hào)

GCSTD-B

GCSTD-A

Q 值測(cè)量范圍

2 ～ 1023 ， 量程分檔： 30 、 100 、 300 、 1000 ，自動(dòng)換檔或手動(dòng)換檔

Q值測(cè)量范圍：2～1023。

Q值量程分檔：30、100、300、1000、自動(dòng)換檔或手動(dòng)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(cè)量范圍

4.5nH ～ 140mH

14.5nH~8.14H

電容直接測(cè)量范圍

1 ～ 200pF

1～460pF

主電容調(diào)節(jié)范圍

18 ～ 220pF

30～500pF

150pF以下±1.5pF；

主電容調(diào)節(jié)準(zhǔn)確度

120pF 以下 ± 1.2pF ； 120pF 以上 ± 1 ％

150pF以上±1％

信號(hào)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(gè)字

3×10-5±1個(gè)字

三、正常工作條件

a.  環(huán)境溫度：0℃～+40℃；

b．相對(duì)濕度：<80％；

c．電源：220V±22V，50Hz±2.5Hz。

四、產(chǎn)品配置：

a.測(cè)試主機(jī)一臺(tái)；

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(cè)試樣品尺寸：直徑為Φ50mm/Φ38mm  厚度為0.5-15MM

親，請(qǐng)繼續(xù)閱讀英文資料

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