一、介電常數介質損耗試驗儀概述

GDAT高頻 Q 表作為一代的通用、多用途、多量程的阻抗測試儀器，測試頻率上限達到目前高的160MHz。
GDAT高頻 Q 表采用了多項技術：

雙掃描技術 - 測試頻率和調諧電容的雙掃描、自動調諧搜索功能。
雙測試要素輸入 - 測試頻率及調諧電容值皆可通過數字按鍵輸入。
雙數碼化調諧 - 數碼化頻率調諧，數碼化電容調諧。
自動化測量技術 -對測試件實施 Q 值、諧振點頻率和電容的自動測量。
全參數液晶顯示 – 數字顯示主調電容、電感、 Q 值、信號源頻率、諧振指針。
DDS 數字直接合成的信號源 -確保信源的高葆真，頻率的高精確、幅度的高穩定。
計算機自動修正技術和測試回路*化 —使測試回路 殘余電感減至zui低，** Q 讀數值在不同頻率時要加以修正的困惑。
gdat高頻Q表的創新設計，無疑為高頻元器件的阻抗測量提供了*的解決方案，它給從事高頻電子設計的工程師、科研人員、高校實驗室和電子制造業提供了更為方便的檢測工具
，測量值更為精確，測量效率更高。使用者能在儀器給出的任何頻率、任意點調諧電容值下檢測器件的品質，無須關注量程和換算單位。
一、介電常數測試儀介質損耗測試儀儀概述
介質損耗和介電常數是各種電瓷、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（ε），可進一步了解影響介質損耗和介電常數的各種因素，為提高材料的性能提供依據；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，高頻回路有效并聯及串聯電阻，傳輸線的特性阻抗等。
該儀器用于科研機關、學校、工廠等單位對無機非金屬新材料性能的應用研究。
 
  主要技術特性 
Q 值測量范圍  2 ～ 1023 ， 量程分檔： 30 、 100 、 300 、 1000 ，自動換檔或手動換檔 
固有誤差  ≤ 5 ％ ± 滿度值的 2 ％（ 200kHz ～ 10MHz ）， ≤6％ ± 滿度值的2％（10MHz～160MHz） 
工作誤差  ≤7％ ± 滿度值的2％ （ 200kHz ～ 10MHz ）， ≤8％ ± 滿度值的2％（10MHz～160MHz） 
電感測量范圍  4.5nH ～ 140mH 
電容直接測量范圍  1 ～ 200pF 
主電容調節范圍  18 ～ 220pF 
主電容調節準確度  100pF 以下 ± 1pF ； 100pF 以上 ± 1 ％ 
信號源頻率覆蓋范圍  100kHz ～ 160MHz 
頻率分段 （ 虛擬 ）  100 ～ 999.999kHz ， 1 ～ 9.99999MHz,10 ～ 99.9999MHz ， 100 ～ 160MHz 
頻率指示誤差  3 × 10 -5 ± 1 個字 

搭配了全新的介質損耗裝置與GDAT系列q表搭配使用
一 . 概述

BD916介質損耗測試裝置與本公司生產的各款高頻Q表配套，可用于測量絕緣材料的介電常數和介質損耗系數（損耗角正切值）。
BD916介質損耗測試裝置是BD916914的換代產品，它采用了數顯微測量裝置，因而讀數方便，數據精確。
測試裝置由一個LCD數字顯示微測量裝置和一對間距可調的平板電容器極片組成。
平板電容器極片用于夾持被測材料樣品，微測量裝置則顯示被測材料樣品的厚度。
BD916介質損耗測試裝置須配用Q表作為調諧指示儀器，通過被測材料樣品放進平板電容器和不放進樣品時的Q值變化，測得絕緣材料的損耗角正切值。
從平板電容器平板間距的讀值變化則可換算得到絕緣材料介電常數。

BD916介質損耗測試裝置技術特性

平板電容器： 極片尺寸：Φ50mm/Φ38mm 可選 　　　　　
極片間距可調范圍：≥15mm
2. 夾具插頭間距：25mm±0.01mm
3. 夾具損耗正切值≤4×10-4 （1MHz）
4．測微桿分辨率：0.001mm
 
電感：
 
線圈號    測試頻率    Q值    分布電容p       電感值 
  9         100KHz      98       9.4           25mH
  8         400KHz     138       11.4        4.87mH
  7         400KHz    202       16           0.99mH
  6           1MHz     196       13          252μH
  5           2MHz     198       8.7        49.8μH
  4         4.5MHz    231       7             10μH
  3          12MHz      193     6.9         2.49μH
  2          12MHz      229     6.4        0.508μH
            
  1   25MHz，50MHz   233，211    0.9       0.125μH
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.