介電常數(shù)介質(zhì)損耗(介質(zhì)損耗角)測(cè)試儀
型號(hào) Model :GDAT-A
一.介電常數(shù)介質(zhì)損耗(介質(zhì)損耗角)測(cè)試儀 主要特點(diǎn) 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(cè)。 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(huì)造成介電特性的偏差, 傳統(tǒng)測(cè)量方法樣品制作不易, 尤其是薄膜樣品( 小于 10 mil) 量測(cè)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(zhì)損耗(介質(zhì)損耗角)測(cè)試儀 主要技術(shù)特性 Main technical characteristics:
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(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。
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(zhì)損耗(介質(zhì)損耗角)測(cè)試儀 儀器技術(shù)指標(biāo) Instrument technical index:
☆Q值測(cè)量 Q value measurement:
a.Q值測(cè)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(dòng)換檔或手動(dòng)換檔。
c.標(biāo)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(cè)量 Inductance measurement:
a.測(cè)量范圍 measuring range:14.5nH~8.14H。
b.分 檔 Sub file:分七個(gè)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(cè)量 Capacitance measurement:
a.測(cè)量范圍 measuring range:1~460pF(460pF以上的電容測(cè)量見使用規(guī)則);
b.電容量調(diào)節(jié)范圍 Capacitance regulation range
主調(diào)電容器 Main capacitor:30~500pF;
準(zhǔn) 確 度 Accuracy:150pF以下±1.5pF;150pF以上±1%;
注:大于直接測(cè)量范圍的電容測(cè)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(gè)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(duì)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(yù)置功能 ualified indication preset function
預(yù)置范圍 Preset range:5~1000。
四、介電常數(shù)介質(zhì)損耗(介質(zhì)損耗角)測(cè)試儀 主要配置 Main configuration:
a.測(cè)試主機(jī)一臺(tái) 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(cè)試數(shù)據(jù)
Table typical test data of inductance set
五.儀器特點(diǎn) Instrument characteristics:
☆接線簡(jiǎn)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(cè)量電壓緩升、緩降,全自動(dòng)測(cè)量,結(jié)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(cè)量方式 可選擇正/反接線、內(nèi)/外標(biāo)準(zhǔn)電容器和內(nèi)/外試驗(yàn)電壓進(jìn)行測(cè)量。正接線可測(cè)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(zhǎng)途運(yùn)輸中強(qiáng)烈震動(dòng)顛簸而不會(huì)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(qiáng) 采用自動(dòng)跟蹤干擾抵償電路,將矢量運(yùn)算法與移相法結(jié)合,有效地消除強(qiáng)電場(chǎng)干擾對(duì)測(cè)量的影響,適用于500kV及其以下電站的現(xiàn)場(chǎng)試驗(yàn)。
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(cè)量 *自激法測(cè)量CVT功能,不需外加任何設(shè)備,可完成不可拆頭CVT的測(cè)量。一次接線(三根電纜,不用倒線),一個(gè)測(cè)量過程(大約1分鐘),兩個(gè)zui終測(cè)量結(jié)果(C1和C2的介損及電容值)。測(cè)量過程中文顯示,能實(shí)時(shí)監(jiān)測(cè)自激電流值和試驗(yàn)電壓(高壓)值。能消除引線對(duì)測(cè)試的影響,測(cè)量結(jié)果準(zhǔn)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(hù):試品短路、擊穿或高壓電流波動(dòng),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(hù):設(shè)定自激電壓的過流點(diǎn),一旦超出設(shè)置的電流值,儀器自動(dòng)退出測(cè)量,不會(huì)損壞設(shè)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(cè):儀器有接地檢測(cè)功能,未接地時(shí)不能升壓測(cè)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(shè)計(jì),能判別常見接線錯(cuò)誤,安全報(bào)警。
Anti misoperation: anti misoperation design, can identify common wiring errors, security alarm.
(5)防“容升”:測(cè)量大容量試品時(shí)會(huì)出現(xiàn)電壓抬高的“容升”效應(yīng),儀器能自動(dòng)跟蹤輸出電壓,保持試驗(yàn)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(diǎn)陣顯示器,在嚴(yán)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(jī),以中文方式打印輸出測(cè)量結(jié)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(jì)算機(jī)連接便于數(shù)據(jù)的統(tǒng)計(jì)和處理及保存。
RS232 instrument has RS232 interface, and computer connection, facilitate data statistics, processing and preservation.
☆可選購(gòu)與計(jì)算機(jī)通信應(yīng)用程序。
Optional and computer communication applications.