介電常數(shù)高頻測試儀主要技術(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(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。

介電常數(shù)高頻測試儀電感器：

按測試頻率要求，需要配置不同量的電感器。

例如：在1MHz測試頻率時，要配250μH電感器，在50MHz測試頻率時，要配0.1μH電感器等。

介電常數(shù)高頻測試儀特點(diǎn)：

◎ 本公司創(chuàng)新的自動Q值保持技術(shù)，使測Q分辨率至0.1Q，使tanδ分辨率至0.00005 。

◎ 能對固體絕緣材料在10kHz～120MHz介質(zhì)損耗角(tanδ)和介電常數(shù)(ε)變化的測試。

◎ 調(diào)諧回路殘余電感值低至8nH，保證100MHz的(tanδ)和(ε)的誤差較小。

◎ 特制LCD屏菜單式顯示多參數(shù)：Q值，測試頻率，調(diào)諧狀態(tài)等。

◎ Q值量程自動/手動量程控制。

◎ DPLL合成發(fā)生1kHz～60MHz, 50kHz～160MHz測試信號。獨(dú)立信號源輸出口，所以本機(jī)又是一臺合成信號源。

◎ 測試裝置符合國標(biāo)GB/T 1409-2006,美標(biāo)ASTM D150以及IEC60250規(guī)范要求。

介電常數(shù)高頻測試儀電感測量

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。

介電常數(shù)高頻測試儀振蕩頻率

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±1個字。

Q合格指示預(yù)置功能，預(yù)置范圍：5～999。

介電常數(shù)高頻測試儀是各種電瓷、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。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。

Dielectric constant high frequency tester ualified preset functions indicated: preset range: 5 ~ 1000

6. Q meter normal working conditions

A. ambient temperature: 0 ℃ ~ + 40 ℃;

B. relative humidity: < 80%;

C. power: 220 v + 22 v, 50 Hz + / - 2.5 Hz.

7. Other

A. consumed power: about 25 w;

B. Net weight: about 7 kg;

C. appearance size (width x height x mm deep) : 380 * 132 * 132.

Dielectric constant high frequency test instrument maintenance

1. The new instrument examination

New instrument is best can use first inductance LKI - 1 set, each inductance Q value in different frequency test, the test case, example USES the inductance number, test frequency Q reading, it will take many times test and test environment, such as the capacitance reading each detail records, and keep the record, for later maintenance for reference.

Standalone inductance LKI - 1 set of test used as auxiliary inductor, cannot put these inductance as a high precision standard inductance. As different test environment conditions, the measured inductor Q value and distributed capacitance may be slightly different.

2. The use and maintenance

Frequency of Q is the impedance of the precision measuring instruments, under the condition of reasonable use and pay attention to maintenance, to ensure the long-term stability and high precision.

A. Be familiar with this manual, the proper use of the instrument;

B. make often maintain clean, dry instrument;

C. the instrument warranty period for 18 months, such as mechanical failure or loss of accuracy, can be intact back to our factory, repair free of charge.

Dielectric constant high frequency tester is the main technical features: the dielectric loss and dielectric constant is a device of electric porcelain, porcelain, capacitor, such as ceramic, and composite materials such as one of the important physical properties, by measuring dielectric loss Angle tangent tan delta and dielectric constant (epsilon), can further understand the various factors influencing the dielectric loss and dielectric constant, provide the basis for improve the performance of materials; Instrument is the basic principle of the high frequency resonance method, and provides, general, multi-purpose, multiscale impedance test. It in a single chip computer as control instrument, frequency measuring core with the digital lock, standard frequency test point set automatically, automatic resonance point search, Q value range automatic conversion, numerical display new technology, such as improved tuning loop, the tuning test circuit minimizes the residual inductance, and keep the original Q table automatic painting techniques, makes the new instrument when use more convenient, more accurate measurements. Instrument can under the condition of high test frequency, measuring the high frequency inductive or Q value of resonance loop, inductance and distributed capacitance of inductance and capacitance of capacitor and loss tangent value, electrical material of dielectric loss at high frequency, high frequency circuit effectively in parallel and series resistance, the characteristic impedance of a transmission line, etc.

Dielectric constant of high frequency tester inductors:

According to the test frequency requirements, need to configure the different amount of inductors.

For example: in the 1 MHZ test frequency, with 250 mu H inductors, in 50 MHZ test frequency, it is only 0.1 mu H inductors, etc.

Dielectric constant of the high frequency characteristic tester:

Does the company Q value automatically maintain technology innovation, to 0.1 resolution, and make the tan delta resolution to 0.00005.

When can of solid insulation in 10 KHZ ~ 120 MHZ dielectric loss Angle (tan delta) and the change of dielectric constant (epsilon) test.

When residual low inductance tuned circuits to eight nh, to ensure that the 100 MHZ (tan delta) and smaller (epsilon) error.

Have special LCD menu display more parameters: Q value, test frequency and tuning state, etc.

Q value range automatic/manual control.

Does DPLL synthesis occur 1 KHZ ~ 60 MHZ, 50 KHZ ~ 160 MHZ test signal. Independent signal source output, so this machine is an synthetic signal source.

Have test equipment in accordance with GB/T 1409-2006, American standard ASTM D150 and IEC60250 specification requirements.

Dielectric constant of high frequency tester inductance measurement

A. measuring range: 0.1 mu H ~ 1 H.

B. points file: seven range.

0.1 ~ 1 mu H, 1 ~ 10 mu H, 10 ~ 100 mu H,

0.1 lmH, 1 ~ 10 mH, 10 ~ 100 mH, mH 100 ~ 1 h.

Dielectric constant of high frequency tester oscillation frequency

A. oscillation frequency range: 25 KHZ ~ 50 MHZ;

B. the frequency step:

25 ~ 74 KHZ, 74 ~ 213 KHZ, 213-700 KHZ, 700 KHZ to 1.95 MHz,

1.95 MHz to 5.2 MHz and 5.2 MHz ~ 17 MHz, 17 ~ 50 MHz.

C. frequency error: 2 x 10 + 1 word.

ualified preset functions indicated, preset range: 5 ~ 999.

Dielectric constant high frequency meter is a device of electrical porcelain, porcelain, capacitor, such as ceramic, and composite materials such as one of the important physical properties, by measuring dielectric loss Angle tangent tan delta and dielectric constant (epsilon), to further understand the various factors influencing the dielectric loss and dielectric constant, provide the basis for improve the performance of materials; Instrument is the basic principle of the high frequency resonance method, and provides, general, multi-purpose, multiscale impedance test. It in a single chip computer as control instrument, frequency measuring core with the digital lock, standard frequency test point set automatically, automatic resonance point search, Q value range automatic conversion, numerical display new technology, such as improved tuning loop, the tuning test circuit minimizes the residual inductance, and keep the original Q table automatic painting techniques, makes the new instrument when use more convenient, more accurate measurements. Instrument can under the condition of high test frequency, measuring the high frequency inductive or Q value of resonance loop, inductance and distributed capacitance of inductance and capacitance of capacitor and loss tangent value, electrical material of dielectric loss at high frequency, high frequency circuit effectively in parallel and series resistance, the characteristic impedance of a transmission line, etc. The equipment is used for scientific research organs, schools, factories and other units on the properties of inorganic nonmetal materials applied research.

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