Xiangke STD-A/C dielectric constant and dielectric loss tester for ceramics, rubber and plastics

Xiangtan Xiangke STD-A dielectric constant tester

1、 Overview

Dielectric loss and dielectric constant are important physical properties of various ceramics such as electrical ceramics, device ceramics, capacitors, and composite materials. By measuring the tangent tan of the dielectric loss angle δ And dielectric constant（ ε）， Further understanding of various factors affecting dielectric loss and dielectric constant can provide a basis for improving the performance of materials; The basic principle of the instrument is to use high-frequency resonance method and provide universal, multi-purpose, and multi-range impedance testing. It uses a single chip computer as the control of the instrument, with new technologies such as automatic Q value range conversion and numerical display, improving the tuning circuit to minimize the residual inductance of the tuning test circuit, and retaining technologies such as automatic amplitude stabilization in the original Q meter, making the new instrument more convenient to use and measuring values more accurate. The instrument can measure the Q value of high-frequency inductance or resonant circuit, inductance and distributed capacitance of inductors, capacitance and loss tangent of capacitors, high-frequency dielectric loss of electrical materials, effective parallel and series resistance of high-frequency circuits, characteristic impedance of transmission lines, etc. under high testing frequency conditions. This instrument is used for the application research of inorganic non-metallic new material properties in scientific research institutions, schools, factories, and other units. Instrument compliance standard: GB/T 5594.4-2015 Test methods for the properties of structural ceramic materials in electronic components - Part 4: Test methods for dielectric constant and dielectric loss tangent angle.

2、 Technical specifications of the instrument

1. Q-value measurement

a. Measurement range of Q value: 2-1023;

b. Q value range classification: 30, 100, 300, 1000, automatic or manual shift;

c. Nominal error

frequency range

10kHz~10MHz

Inherent error

≤ 5% ± 2% of full scale value

Working error

≤ 7% ± 2% of full scale value

frequency range

10MHz~70MHz

Inherent error

≤ 6% ± 2% of full scale value

Working error

≤ 8% ± 2% of full scale value

2. Inductance measurement range: 1nH~8.4H

3. Capacitance measurement:

Direct measurement range

1-520p

Main capacitor adjustment range

30-550pF

Accuracy

Below 100pF ± 1pF;

Above 100pF ± 1%

Note: For capacitance measurement beyond the direct measurement range, please refer to the usage method.

4. Signal source frequency coverage range:

frequency range

10kHz~70MHz

CH1

10~99.99999kHz

CH2

100~999.999kHz

CH3

1-9.999999MHz

CH4

10-70MHz

Frequency indication error

three × 10-5 ± 1 word

5. Q qualified indication preset function: preset range: 5-1000

6. Normal working conditions of Q meter

a. Environmental temperature: 0 ℃~+40 ℃;

b. Relative humidity:<80%;

c. Power supply: 220V ± 22V, 50Hz ± 2.5Hz.

7. Power consumption: approximately 25W;

Xiangtan Xiangke STD-C dielectric constant tester, intelligent version

The STD-C high-frequency insulation material dielectric constant and dielectric loss testing system consists of a testing device (fixture), a high-frequency Q-meter, data acquisition, and tan δ The automatic measurement control (software module loaded into STD-C) and inductor are composed. It is designed and manufactured in accordance with the national standard GB/T 5594.4-2015 Electronic Components, Structural Ceramic Materials, Performance Test Methods, Part 4: Dielectric Constant and Dielectric Loss Tangent Test Method, GB/T 1693-2007 Vulcanized Rubber Dielectric Constant and Dielectric Loss Tangent Test Method, GB/T 1409-2006, GB/T 1693-2007, American Standard ASTM D150 and International Electrotechnical Commission IEC60250. The system provides the high-frequency dielectric loss tangent value (tan) of the insulation material δ) And dielectric constant（ ε) The best solution for automatic measurement. The testing device in this instrument is composed of a flat capacitor, which is generally used to clamp the tested sample and is equipped with a Q-meter as an indicator instrument. The tangent value of the loss angle of the insulation material is calculated through the formula based on the Q value change and thickness scale reading of the tested sample placed in the flat capacitor and the sample not laid out.Automatic calculation of dielectric constant using STD-C digital Q-table（ ε） And dielectric loss (tan δ）。

STD-C dielectric constant/dielectric loss testing system composition:

Host: high-frequency Q-meter

Dielectric constant ε R and dielectric loss factor tan δ Testing device:

Sample size: Solid: Material measurement diameter Φ 38mm; Adjustable thickness<15mm;

(Poles can be customized)

Inductance group:

Instrument configuration: including 1 STD-C testing host, 1 set of sample fixtures, and 1 set of inductors (10 pieces).The optional liquid cup can be used for testing liquid materials.