北京介电常数测试仪生产厂家

北京介电常数测试仪生产厂家特点： 

◎ 本公司创新的自动Q值保持技术，使测Q分辨率至0.1Q，使tanδ分辨率至0.00005 。

◎ 能对固体绝缘材料在10kHz～120MHz介质损耗角(tanδ)和介电常数(ε)变化的测试。

◎ 调谐回路残余电感值低至8nH，保证100MHz的(tanδ)和(ε)的误差较小。

◎ 特制LCD屏菜单式显示多参数：Q值，测试频率，调谐状态等。

◎ Q值量程自动/手动量程控制。

◎ DPLL合成发生1kHz～60MHz, 50kHz～160MHz测试信号。独立信号   源输出口，所以本机又是一台合成信号源。

◎ 测试装置符合国标GB/T 1409-2006,美标ASTM D150以及IEC60250规范要求。

北京介电常数测试仪生产厂家主要技术指标：

2.1 tanδ和ε性能：

2.1.1 固体绝缘材料测试频率10kHz～120MHz的tanδ和ε变化的测试。

2.1.2 tanδ和ε测量范围：

tanδ：0.1～0.00005，ε：1～50

2.1.3 tanδ和ε测量精度（1MHz）：

tanδ：±5%±0.00005，ε：±2%

工作频率范围：50kHz～50MHz    四位数显，压控振荡器

Q值测量范围：1～1000三位数显，±1Q分辨率

可调电容范围：40～500 pF  ΔC±3pF

电容测量误差：±1%±1pF

Q表残余电感值：约20nH

振荡频率

a．振荡频率范围：25kHz～50MHz；

b．频率分档：

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

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

c．频率误差：2×10±1个字。

Q合格指示预置功能，预置范围：5～999。

介质损耗和介电常数是各种电瓷、装置瓷、电容器等陶瓷，还有复合材料等的一项重要的物理性质，通过测定介质损耗角正切tanδ及介电常数（ε），可进一步了解影响介质损耗和介电常数的各种因素，为提高材料的性能提供依据；仪器的基本原理是采用高频谐振法，并提供了，通用、多用途、多量程的阻抗测试。它以单片计算机作为仪器的控制，测量核心采用了频率数字锁定，标准频率测试点自动设定，谐振点自动搜索，Q值量程自动转换，数值显示等新技术，改进了调谐回路，使得调谐测试回路的残余电感减至zui低，并保留了原Q表中自动稳幅等技术，使得新仪器在使用时更为方便，测量值更为精确。仪器能在较高的测试频率条件下，测量高频电感或谐振回路的Q值，电感器的电感量和分布电容量，电容器的电容量和损耗角正切值，电工材料的高频介质损耗，高频回路有效并联及串联电阻，传输线的特性阻抗等。该仪器用于科研机关、学校、工厂等单位对无机非金属新材料性能的应用研究。

Dielectric constant and dielectric loss tester features:
Automatic Q \ \ the company's innovative value keeping technology, the resolution of Q to 0.1Q, the resolution to 0.00005 tan.
Can the solid insulating materials in the dielectric loss angle of 10kHz ~ 120MHz (tan delta) and Permittivity (epsilon) change test.
The tuning circuit of residual low inductance to guarantee 8nH, 100MHz (Tan d) and (E) the error is small.
The special multi parameter LCD screen menu display: Q value, test frequency tuning etc..
The Q value range automatic / manual range control.
The synthesis of DPLL 1kHz ~ 60MHz, 50kHz ~ 160MHz test signal. Independent signal source output, so the machine is a synthetic signal source.
The test device complies with GB/T 1409-2006, ASTM D150 and IEC60250 American Standard specifications.
The main technical indexes of dielectric constant and dielectric loss tester:
2.1 Tan D and E performance:
2.1.1 solid insulating materials test frequency 10kHz ~ tan delta and epsilon 120MHz change test.
2.1.2 tan delta and epsilon measurement range:
Tan 8: 0.1 ~ 0.00005, 1 ~ 50.
2.1.3 tan delta and epsilon precision (1MHz):
Tan 8: + 5% + 0.00005 + 2% epsilon:
Operating frequency range: 50kHz ~ 50MHz four digit digital display, voltage controlled oscillator
Q value measurement range: 1000 ~ three 1 digit display, + 1Q resolution
Adjustable capacitance range: 40 ~ 500 pF C + 3pF
Capacitance measurement error: + 1% + 1pF
Q table residual inductance value: about 20nH
oscillation frequency
A. frequency range: 25kHz ~ 50MHz;
B. frequency shift:
25 ~ 74kHz, 74 ~ 213kHz, 213-700kHz, 700kHz ~ 1.95MHz,
1.95MHz ~ 5.2MHz, 5.2MHz ~ 17MHz, 17 ~ 50MHz.
C. frequency error: 2 * 10 + 1 words.
ualified preset indication function, the preset range: 5 ~ 999.
Dielectric loss and dielectric constant is a variety of porcelain, porcelain device, capacitor, etc. ceramic and composite materials, such as an important physical properties, by measuring the dielectric loss angle tan delta and dielectric permittivity (epsilon), further understanding of the factors in the influence of dielectric loss and dielectric constant, in order to improve the properties of materials provides the basis; equipment and the basic principle is using high frequency resonance method, and provides, GM, multi-purpose, multi range impedance test. It to single chip computer as the instrument control, core measurements using digital frequency locking, frequency standard test point automatic setting, resonant point automatic search, Q value range automatic conversion, numerical display and other new technologies, improved the tuning circuit, so as to reduce to a minimum the tuning circuit for testing residual inductance and retains the original Q table in the automatic amplitude stabilizer technology, makes the new instrument in use is more convenient and the measured values are accurate. The instrument can under high frequency test conditions, measurement of high frequency inductive or resonant loop of the Q value, inductance and distributed capacitance of inductor, capacitor of capacitance and loss angle tangent value, electrical materials, dielectric loss in high frequency and high frequency circuit in parallel and series resistance, transmission line characteristic impedance. The application of scientific research institutions, schools, factories and other units of the new material properties of inorganic non metal for the instrument.