• 優(yōu)質(zhì)介電常數(shù)介質(zhì)損耗測試儀GDAT-A概述

First, an overview

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)，通過測定介質(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、多量程的阻抗測試。它以單片計(jì)算機(jī)作為儀器的控制，測量核心采用了頻率數(shù)字鎖定，標(biāo)準(zhǔn)頻率測試點(diǎn)自動設(shè)定，諧振點(diǎn)自動搜索，Q值量程自動轉(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)諧測試回路的殘余電感減至zui低，并保留了原Q表中自動穩(wěn)幅等技術(shù)，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(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。

Dielectric loss and dielectric constant is a variety of porcelain, porcelain device, capacitor, etc. ceramic and composite materials, such as an important physical properties, by measuring the dielectric loss angle tan delta and dielectric permittivity (epsilon), further understanding of the factors in the influence of dielectric loss and dielectric constant, in order to improve the properties of materials provides the basis; equipment and the basic principle is using high frequency resonance method, and provides, GM, multi-purpose, multi range impedance test. It to single chip computer as the instrument control, core measurements using digital frequency locking, frequency standard test point automatic setting, resonant point automatic search, Q value range automatic conversion, numerical display and other new technologies, improved the tuning circuit, so as to reduce to a minimum the tuning circuit for testing residual inductance and retains the original Q table in the automatic amplitude stabilizer technology, makes the new instrument in use is more convenient and the measured values are accurate. The instrument can under high frequency test conditions, measurement of high frequency inductive or resonant loop of the Q value, inductance and distributed capacitance of inductor, capacitor of capacitance and loss angle tangent value, electrical materials, dielectric loss in high frequency and high frequency circuit in parallel and series resistance, transmission line characteristic impedance.

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

The application of the instrument in the research of the properties of inorganic nonmetal materials, such as scientific research institutions, schools, factories and so on.

• 優(yōu)質(zhì)介電常數(shù)介質(zhì)損耗測試儀GDAT-A儀器的技術(shù)指標(biāo)

Two, the technical indicators of the instrument

  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(biāo)稱誤差

1．Q值測量

1.Q value measurement

a．Q值測量范圍：2～1023。

A.Q value measurement range: 2 ~ 1023.

b．Q值量程分檔：30、100、300、1000、自動換檔或手動換檔。

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

c．標(biāo)稱誤差

C. nominal error

Project GDAT-A

頻率范圍 1kHz～10MHz；

Frequency range 1kHz ~ 10MHz;

固有誤差 ≤5％±滿度值的2％；

The inherent error is less than or equal to 5% + full value 2%;

工作誤差 ≤7％±滿度值的2％；

Work with error less than 7% + full scale value 2%;

頻率范圍 10MHz～60MHz；

Frequency range 10MHz ~ 60MHz;

固有誤差 ≤6％±滿度值的2％；

The inherent error is less than 6%. The full scale value of 2%;

工作誤差 ≤8％±滿度值的2％。

Work with error less than 8% + full scale value 2%.

 2．電感測量范圍：14.5nH~8.14H 

3．電容測量：1~ 460

2 inductance measurement range: 14.5nH~8.14H

3．電容測量：1~ 460

3 capacitance measurement: 1~ 460

Project GDAT-A

直接測量范圍 1～460pF

Direct measurement range 1 ~ 460pF

主電容調(diào)節(jié)范圍

Main capacitance adjustment range

準(zhǔn)確度 30～500pF

Accuracy 30 ~ 500pF

150pF以下±1.5pF；

150pF the following + 1.5pF;

150pF以上±1％

150pF above + 1%

   注：大于直接測量范圍的電容測量見使用規(guī)則

Note: more than the direct measurement range of capacitance measurements see the use of rules

 4．信號源頻率覆蓋范圍

Signal source frequency coverage

Project GDAT-A

頻率范圍 10MHz～160MHz

Frequency range 10MHz ~ 160MHz

頻率分段

Frequency segmentation

（虛擬） 10～99.9999kHz

(virtual) 10 ~ 99.9999kHz

100～999.999kHz

100 ~ 999.999kHz

1～9.99999MHz

1 ~ 9.99999MHz

10～160MHz

10 ~ 160MHz

頻率指示誤差 3×10-5±1個字

Frequency indication error 3 * 10-5 + 1 words

5．Q合格指示預(yù)置功能

預(yù)置范圍：5～1000。

 6．Q表正常工作條件

 a. 環(huán)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(chǎn)品配置：

a.測試主機(jī)一臺；

b.電感9只；

c.夾具一 套 

5.ualified preset function

預(yù)置范圍：5～1000。

Preset range: 5 ~ 1000.

6．Q表正常工作條件

6.Q table normal working conditions

a. 環(huán)境溫度：0℃～+40℃

A. ambient temperature: 0 degrees to +40

b．相對濕度：<80％；

B. relative humidity: <80%;

c．電源：220V±22V，50Hz±2.5Hz。

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

7．其他

7 other

a．消耗功率：約25W；

A. power consumption: about 25W;

b．凈重：約7kg；

B. net weight: about 7kg;

c. 外型尺寸：（l×b×h）mm：380×132×280。

C. exterior dimension: (L * b * h * mm:380) * 132 * 280.

8．產(chǎn)品配置：

8 product configuration:

a.測試主機(jī)一臺；

A. test host a;

b.電感9只；

B. inductance 9;

c.夾具一 套

C. fixture set

                附表    電感組典型測試數(shù)據(jù)

Table test data of the inductance group

Coil number test frequency Q value distribution capacitance P inductance value

9 100KHz 98 9.4 25mH

9 100KHz 989.4 25mH

8 400KHz 138 11.4 4.87mH

8 400KHz 13811.4 4.87mH

7 400KHz 202 16 0.99mH

7 400KHz 20216 0.99mH

6 1MHz 196 13 252μH

6 1MHz 19613252 H

5 2MHz 198 8.7 49.8μH

5 2MHz 49.8 1988.7 H

4 4.5MHz 231 7 10μH

4 4.5MHz 231710 H

3 12MHz 193 6.9 2.49μH

3 12MHz 2.49 1936.9 H

2 12MHz 229 6.4 0.508μH

2 12MHz 0.508 2296.4 H

1 25MHz

1 25MHz

50MHz 233

50MHz 233

211 0.9 0.125μH

0.125 2110.9 H

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