北京北廣精儀儀器設(shè)備有限公司（正規(guī)企業(yè)，*）

介電常數(shù)介質(zhì)損耗（介質(zhì)損耗角）測試儀  型號：BDAT-A

◇主要特點：空洞共振腔適用于CCL/印刷線路板，薄膜等非破壞性低介電損耗材料量測。 印電路板主要由玻纖與環(huán)氧樹脂組成的, 玻纖介電常數(shù)為5~6, 樹脂大約是3, 由于樹脂含量, 硬化程度, 溶劑殘留等因素會造成介電特性的偏差, 傳統(tǒng)測量方法樣品制作不易, 尤其是薄膜樣品（ 小于 10 mil） 量測值偏低,。 

◇主要技術(shù)特性：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。它以單片計算機作為儀器的控制，測量核心采用了頻率數(shù)字鎖定，標準頻率測試點自動設(shè)定，諧振點自動搜索，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。

◆儀器技術(shù)指標：

☆Q值測量：

a．Q值測量范圍：5～999。              b．Q值量程分檔：30、100、300、999、自動換檔。

c．標稱誤差

      頻率范圍：25kHz～10MHz；       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～50MHz；      固有誤差：≤7％±滿度值的2％；工作誤差：≤10％±滿度值的2％。

☆電感測量：

a．測量范圍：0.1μH～1H。

b．分    檔：分七個量程。

      0.1～1μH，    1～10μH，    10～100μH，  

      0.1～lmH，     1～10mH，     10～100mH，   100 mH～1H。

☆電容測量：

a．測量范圍：1～460pF（460pF以上的電容測量見使用規(guī)則）；

b．電容量調(diào)節(jié)范圍

      主調(diào)電容器：40～500pF；                準  確  度：150pF以下±1.5pF；150pF以上±1％；

      微調(diào)電容量：－3pF～0～＋3pF；      準  確  度：±0.2pF。

☆振蕩頻率：

a．振蕩頻率范圍：25kHz～50MHz；

b．頻率分檔

25～74kHz，    74～213kHz，    213-700kHz，    700kHz～1.95MHz，

1.95MHz～5.2MHz，    5.2MHz～17MHz，    17～50MHz。

c．頻率誤差：2×10-4±1個字。

☆Q合格指示預(yù)置功能，預(yù)置范圍：5～999。

☆儀器正常工作條件

a. 環(huán)境溫度：0℃～+40℃；            b．相對濕度：<80％；           c．電源：220V±22V，50Hz±2.5Hz。   

☆試樣尺寸

圓片形：厚度2+0.5mm，直徑為Φ30~40mm（ε<12時），Φ25~35mm（ε=12~30時），Φ15~20mm（ε>30時）

☆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。

☆ Q合格指示預(yù)置功能

預(yù)置范圍：5～1000。

◇儀器特點：

☆接線簡單（正接法兩根線，反接可使用一根線），所有電纜線均有接地屏蔽，所以都能拖地使用，測量電壓緩升、緩降，全自動測量，結(jié)果直讀，無須換算。

☆多種測量方式 可選擇正/反接線、內(nèi)/外標準電容器和內(nèi)/外試驗電壓進行測量。正接線可測量高壓介損。

☆ 抗震性能 儀器可承受長途運輸中強烈震動顛簸而不會損壞。

☆ 抗*力強 采用自動跟蹤干擾抵償電路，將矢量運算法與移相法結(jié)合，有效地消除強電場干擾對測量的影響，適用于500kV及其以下電站的現(xiàn)場試驗。

☆CVT測量 *自激法測量CVT功能，不需外加任何設(shè)備，可完成不可拆頭CVT的測量。一次接線（三根電纜，不用倒線），一個測量過程（大約1分鐘），兩個zui終測量結(jié)果（C1和C2的介損及電容值）。測量過程中文顯示，能實時監(jiān)測自激電流值和試驗電壓（高壓）值。能消除引線對測試的影響，測量結(jié)果準確可靠。

☆ 安全措施（1）高壓保護：試品短路、擊穿或高壓電流波動，能迅速切斷高壓輸出。

（2）CVT保護：設(shè)定自激電壓的過流點，一旦超出設(shè)置的電流值，儀器自動退出測量，不會損壞設(shè)備。

（3）接地檢測：儀器有接地檢測功能，未接地時不能升壓測量。

（4）防誤操作：具備防誤操作設(shè)計，能判別常見接線錯誤，安全報警。

（5）防“容升”：測量大容量試品時會出現(xiàn)電壓抬高的“容升”效應(yīng)，儀器能自動跟蹤輸出電壓，保持試驗電壓恒定。

☆ VFD顯示 采用新穎的大屏幕VFD點陣顯示器，在嚴冬和盛夏都能清晰顯示。全中文操作菜單，操作提示各種警告信息，直觀明了，不需查閱說明書即可操作。

☆打印 儀器附有微型打印機，以中文方式打印輸出測量結(jié)果及狀態(tài)。

☆RS232 儀器具有RS232接口，與計算機連接便于數(shù)據(jù)的統(tǒng)計和處理及保存。

☆可選購與計算機通信應(yīng)用程序。

備注：（本公司主要生產(chǎn)精密儀器分類：橡膠塑料性能檢測設(shè)備，海綿泡沫性能檢測設(shè)備，*試驗機，力學沖擊試驗機，制樣機，沖片機等，） 

Dielectric constant dielectric loss tester to meet standards: GBT 1409-2006 measurement of electrical insulating materials at power, audio frequency, high frequency （ including meter wavelengths ） of the permittivity and dielectric loss factor of the recommended method

One, the dielectric constant dielectric loss tester overview

GDAT frequency Q table as the latest generation of universal, multi-purpose, multiple range impedance test apparatus, test frequency to achieve the highest domestic 160MHz.

GDAT HF Q meter employs a number of leading technology:

Double scan technique - testing frequency and tuning capacitor double scanning, automatic tuning the search function.

Double test element input - testing frequency and tuning capacitor value can be via a digital key input.

Dual digital tuning - digital frequency tuning, digital tuning capacitor.

Automatic measurement technology - on test implementation of Q value, resonant frequency and capacitance measurement.

The parameters of liquid crystal display, digital display main capacitor, inductance, Q value, signal source frequency, resonant pointer.

DDS direct digital synthesis signal source to ensure that the source of high frequency Baozhen, high precision, high stability margin.

Computer automatic correction and test loop optimization - make test loop residual inductance to a minimum, the complete eradication of Q reading values at different frequencies to be amended puzzle.

Gdat HF Q form innovation design, no doubt for the high frequency components of the impedance measurement provides the perfect solution, it gives in high-frequency electronic design engineers, researchers, university laboratory and electronics manufacturing industry to provide a more convenient detection tool

Measurement, measuring is more accurate, more efficient. The user can at any given frequency apparatus, arbitrary point tuning capacitance detection device without attention to quality, range and conversion unit.

One, the dielectric constant dielectric loss tester overview

Dielectric loss and dielectric constant are all kinds of porcelain, porcelain, ceramic capacitor device, and composite materials is an important physical properties, by measuring the dielectric loss tangent of dielectric constant （ Tan δ andε）, to further understand the effects of dielectric loss and dielectric constant of the various factors, in order to improve the material the property basis; instrument basic principle is the use of high frequency resonance method, and provides, universal, multi-purpose, multiple range impedance test. It uses single-chip computer as the control core of 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, measurement is more accurate. Instrument in high frequency test conditions, measurement of high frequency inductive or resonant loop of the Q value, the inductance of the inductor is the amount and distribution of capacitance, capacitance and loss angle tangent value of electrical materials, dielectric loss in high frequency, high frequency circuit in parallel and series resistance, the characteristic impedance of the transmission line and so on.

The apparatus used in scientific research institutions, schools, factories and other units to inorganic metalloid new material property application research.

Main technical characteristics

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

Inherent error≤5% ±full scale value of 2% （ 200kHz ～10MHz ）, 6%±full scale value of 2% （ 10MHz ～160MHz ）

Operating error≤7% ±full scale value of 2% （ 200kHz ～10MHz ）, 8%±full scale value of 2% （ 10MHz ～160MHz ）

Inductance measuring range of 4.5nH～ 140mH

Capacitance measuring range 1～ 200pF

The main capacitor regulation range 18～ 220pF

The main capacitor regulation accuracy below 100pF± 1pF±1%; 100pF

Signal source frequency coverage range of 100kHz～ 160MHz

Frequency segmentation （ virtual ） 100～ 999.999kHz, 1～ 9.99999MHz, 10～ 99.9999MHz, 100～ 160MHz

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

With a new dielectric dissipation device with GDAT Series Q table use

A. An overview

BD916 dielectric loss test device and the company's production of various high-frequency Q matching table, can be used to measure the insulating material of the permittivity and dielectric dissipation factor （ Tan ）.

BD916 dielectric loss test device is the replacement of BD916914, it uses a number of microscope measuring device, so the reading is convenient, accurate data.

The test device consists of a LCD digital display device for measuring and a pair of spaced adjustable flat plate capacitor pole pieces.

Flat capacitor polar plate for holding the material to be measured sample, micro measuring device would display the measured sample of the material thickness.

BD916 dielectric loss test device shall be equipped with the Q table as a tuning indicator instrument, through the tested samples of materials into the panel capacitor and do not put it in the sample when the variation of Q value, the measured dielectric material loss angle tangent value.

From the panel capacitor plate spacing reading variation can be calculated in terms of dielectric material.

BD916 dielectric loss test device technical characteristics

Flat capacitor: pole piece size:Φ 50mm/Φ 38mm optional

Pole spacing adjustable range:≥ 15mm

The 2 clamp plug spacing: 25mm± 0.01mm

The 3 fixture loss tangent value ≤ 4× 10-4 （ 1MHz ）

4 micrometer rod resolution: 0.001mm

Inductance:

Coil test frequency distributions of Q values of P inductance capacitance

9 100KHz 989.4 25mH

8 400KHz 13811.4 4.87mH

7 400KHz 20216 0.99mH

6 1MHz 19613252 μ H

5 1988.7 49.8 μ H 2MHz

4 4.5MHz 231710 μ H

3 1936.9 2.49 μ H 12MHz

2 2296.4 0.508 μ H 12MHz

1 25MHz, 0.125μ H 50MHz 2332110.9

Canton company other insulating materials testing instruments:

BDJC-0-100KV dielectric breakdown testing instrument

BDJC series insulating materials at power frequencies of dielectric breakdown test instrument

BDJC series voltage dielectric strength test apparatus

BDJC series voltage breakdown testing instrument

BDJC series insulating paint film breakdown strength tester

BDJC capacitor voltage breakdown testing instrument

EST-121 volume surface resistivity measuring instrument

GDAT-A dielectric loss tester / dielectric constant test

GDAT-C model dielectric constant dielectric loss tester

BDH leakage resistance tester

BDH-B arc resistance tester

Pay attention to every detail is Canton company for each customer commitment, and North Canton company has been pursuing the aim of.

China Inspection and certification services tip and inlectual leader, helped many testing quality inspection units and schools and research units to provide comprehensive one-stop quality solutions.

Beijing North Canton precision instrument equipment limited