介電常數(shù)介質損耗（介質損耗角）測試儀
型號 Model ：GDAT-A
一.介電常數(shù)介質損耗（介質損耗角）測試儀 主要特點 Main features：
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,。
Hollow resonator is suitable for nondestructive measurement of CCL/, printed circuit boards and thin films. Printed circuit board is mainly made of fiberglass and epoxy resin, glass fiber dielectric constant is 5~6, the resin is about 3, because the resin content, the degree of hardening, residual solvent and other factors will cause the deviation of the dielectric properties, the traditional measuring method of sample production is not easy, especially thin film samples (less than 10 mil) measured value is low,.
二.介電常數(shù)介質損耗（介質損耗角）測試儀 主要技術特性 Main technical characteristics：
介質損耗和介電常數(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(shù)(ε)，可進一步了解影響介質損耗和介電常數(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定，諧振點自動搜索，Q值量程自動轉換，數(shù)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(wěn)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(lián)及串聯(lián)電阻，傳輸線的特性阻抗等。
The dielectric loss and dielectric constant is a variety of porcelain, porcelain, ceramic capacitors and other devices, and composite materials is one of the important physical properties, by measuring the dielectric loss tangent and dielectric constant of tan delta (epsilon), to further understand the various factors of the dielectric loss and dielectric constant, provide the basis for improve the performance of materials; the basic principle of the instrument is using high frequency resonance method, and provides a general and multi-purpose, impedance test, multi range. It uses single-chip computer as the core measurement instrument control, using the frequency locking, frequency standard test point automatic setting, automatic resonant point 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 precise measurements. The instrument can in high frequency test conditions, measurement of high frequency inductive or resonant circuit Q, inductance and distributed capacitance inductance, 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.
三.介電常數(shù)介質損耗（介質損耗角）測試儀 儀器技術指標 Instrument technical index：
☆Q值測量 Q value measurement：
a．Q值測量范圍 Q range of measurement：2～1023。
b．Q值量程分檔 Q value range file：30、100、300、1000、自動換檔或手動換檔。
c．標稱誤差Nominal error
頻率范圍frequency range：20kHz～10MHz；
固有誤差Inherent error：≤5％±滿度值的2％；
工作誤差 Working error：≤7％±滿度值的2％；
頻率范圍frequency range：10MHz～60MHz；
固有誤差 Inherent error：≤6％±滿度值的2％；
工作誤差 Working error：≤8％±滿度值的2％。
☆電感測量 Inductance measurement：
a．測量范圍 measuring range：14.5nH~8.14H。
b．分 檔 Sub file：分七個量程 It is divided into seven ranges。
0.1～1μH， 1～10μH， 10～100μH，
0.1～lmH， 1～10mH， 10～100mH， 100 mH～1H。
☆電容測量 Capacitance measurement：
a．測量范圍 measuring range：1～460pF(460pF以上的電容測量見使用規(guī)則)；
b．電容量調節(jié)范圍 Capacitance regulation range
主調電容器 Main capacitor：30～500pF；
準 確 度 Accuracy：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(guī)則
Note: capacitance measurements greater than direct measurement range see usage rules
☆振蕩頻率 oscillation frequency：
a．振蕩頻率范圍Oscillation frequency range：10kHz～50MHz；
b．頻率分段（虛擬）Frequency division (virtual)
10～99.9999kHz
100～999.999kHz
1～9.99999MHz
10～60MHz
c．頻率誤差 Frequency error：3×10-5±1個字。
☆儀器正常工作條件 Normal working conditions of instrument
a. 環(huán)境溫度ambient temperature：0℃～+40℃；
b．相對濕度 relative humidity：<80％；
c．電源 Power Supply：220V±22V，50Hz±2.5Hz。
☆其他Other
a．消耗功率Power consumption：約25W；
b．凈重 Net weight：約7kg；
c. 外型尺寸 Overall size：（l×b×h）mm：380×132×280。
☆ Q合格指示預置功能 ualified indication preset function
預置范圍 Preset range：5～1000。
四、介電常數(shù)介質損耗（介質損耗角）測試儀 主要配置 Main configuration：
a.測試主機一臺 test host one；
b.電感9只 inductance 9；
c.夾具一 套 fixture set
附表 電感組典型測試數(shù)據(jù)
Table typical test data of inductance set
五.儀器特點 Instrument characteristics：
☆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，結果直讀，無須換算。
Simple wiring (positive connection lines, reverse connection can use a line), all have cable grounding shield, so can be used to measure the voltage mopping, slow rise and drop, automatic measurement, the results of direct reading, without conversion.
☆多種測量方式 可選擇正/反接線、內/外標準電容器和內/外試驗電壓進行測量。正接線可測量高壓介損。
A variety of measurement methods can choose the positive / reverse wiring, the internal / external standard capacitor and the internal / external test voltage to be measured. Positive connection can measure high voltage dielectric loss.
☆ 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。
The seismic performance of the instrument can withstand strong shock during long distance transportation without any damage.
☆ 抗干擾能力強 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。
The anti-interference ability is strong, and the automatic tracking interference compensation circuit is adopted. Combining vector operation method with phase shifting method, the influence of strong electric field interference on measurement is effectively eliminated. It is suitable for field test of 500kV and its following power stations.
☆CVT測量 *自激法測量CVT功能，不需外加任何設備，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，測量結果準確可靠。
CVT measure unique self-excited method to measure CVT function, without any additional equipment, it can complete the measurement of non removable head CVT. A primary connection (three cables, not reversed), a measurement process (about 1 minutes), two final measurements (dielectric loss and capacitance values of C1 and C2). The measurement process in Chinese shows that the self exciting current value and the test voltage (high voltage) can be monitored in real time. The utility model can eliminate the influence of the lead wire on the test, and the measurement result is accurate and reliable.
☆ 安全措施 Safety measures
（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。
High voltage protection: short circuit test, breakdown or high voltage current fluctuation, can quickly cut off high voltage output.
（2）CVT保護：設定自激電壓的過流點，一旦超出設置的電流值，儀器自動退出測量，不會損壞設備。
CVT protection: set the over-current point of the self-excited voltage. Once the current value exceeds the set, the instrument automatically exits the measurement and will not damage the equipment.
（3）接地檢測：儀器有接地檢測功能，未接地時不能升壓測量。
Grounding test: the instrument has grounding detection function, and can not be raised step by step when it is not grounded.
（4）防誤操作：具備防誤操作設計，能判別常見接線錯誤，安全報警。
Anti misoperation: anti misoperation design, can identify common wiring errors, security alarm.
（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，儀器能自動跟蹤輸出電壓，保持試驗電壓恒定。
Anti - "rise": when measuring large capacity sample, the "rise" effect of voltage rise can occur. The instrument can automatically track the output voltage and keep the test voltage constant.
☆ 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。
VFD display uses a new large screen VFD dot matrix display, in winter and summer can be clearly displayed. All Chinese operation menu, operation prompt all kinds of warning information, intuitive and clear, without referring to the instructions can operate.
☆打印 儀器附有微型打印機，以中文方式打印輸出測量結果及狀態(tài)。
The printer is equipped with a micro printer to print and print measurement results and status in chinese.
☆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。
RS232 instrument has RS232 interface, and computer connection, facilitate data statistics, processing and preservation.
☆可選購與計算機通信應用程序。
Optional and computer communication applications.
