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Beijing Zongheng Jinding Instrument Equipment Co., Ltd
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Beijing Zongheng Jinding Instrument Equipment Co., Ltd

  • E-mail

    18612919058@163.com

  • Phone

    18612919058

  • Address

    No. 86 Wanxing Road, Changyang, Fangshan District, Beijing

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Brief Introduction

1LJC voltage breakdown testerProduct Usage and Overview:

Mainly suitable for testing the breakdown strength and withstand time of solid insulation materials such as resins and adhesives, impregnated fiber products, mica and its products, plastic composite products, ceramics and glass under power frequency voltage or DC voltage; This instrument is computer-controlled and can quickly and accurately collect, process, access, display, and print various data during the experimental process.

LJC voltage breakdown testerIt is an important instrument for testing the voltage breakdown strength of products. By relying on the simulation test conditions provided by this instrument, various tests such as breakdown voltage and leakage current can be conducted intuitively, accurately, quickly, and reliably on various tested objects. The instrument adopts dual control of touch screen and computer, which can conveniently store, process, display and print the test results. After years of continuous improvement and refinement, this instrument has become increasingly mature, with high safety and reliability, and has received high praise from users.

2、 According to the standard:

The instrument is manufactured according to the requirements for breakdown voltage in the following standards;

1. GB1408.1-2006 "Test Methods for Electrical Strength of Insulation Materials";

2. GB1408.2-2006 "Test Methods for Electrical Strength of Insulation Materials Part 2: Additional Requirements for Application of DC Voltage Test";

3. GB/T1695-2005 "Determination method for power frequency breakdown voltage strength and withstand voltage of vulcanized rubber";

4. ASTM D149 "Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulation Materials at Industrial Power Supply Frequency";

5. GB/T3333: Test method for power frequency voltage breakdown of cable paper;

6. GB/T12656: Test method for power frequency voltage breakdown of capacitor paper;

7. HG/T3330: Determination of breakdown strength of insulation paint film .

3、 Instrument function:

1. During the experiment, the experimental curve can be dynamically drawn, and the experimental curve can be overlaid with multiple colors for comparison;

2. Can edit and modify experimental data, flexible and applicable;

3. The experimental conditions and test results can be automatically stored;

4. The format of the test report is flexible and adaptable to meet the different needs of different users;

5. The validity of curve data in a set of experiments can be manually selected;

6. The experimental result data can be imported into Excel and edited in WORD documents;

7. The overcurrent protection device has sufficient sensitivity to ensure that the power is cut off within 0.1 seconds when the sample breaks down;

8. The durability of instrument operation allows for continuous use without the need for periodic shutdowns to protect the instrument. .

4、 InstrumentFeatures:

1. Independent control system, modular structure for easy after-sales maintenance, beautiful and atmospheric appearance, no noise during the entire experimental process, automatic centering and positioning of the electrical level, easy operation, high safety factor, and high accuracy.

2. The operation and control are carried out by the touch screen and control panel of the device itself. If curve analysis is not required, a computer is not required.

3. If curve analysis is required, a computer can be equipped to only perform data and curve recording functions without equipment control, avoiding the need for testers to alternate between the computer and equipment, making it more user-friendly.

4. The equipment has a test parameter memory function, which does not require setting for each test under the same test conditions, and the last test setting parameters will still be remembered when the power is turned off.

5. The experimental interface is simple and clear, with explanatory curves. Different parameters result in different curve trends, making it easy to understand.

6. The control panel is simple, with clear functional labeling and easy operation.

7. It can record and display 10 test records simultaneously, facilitating comparative analysis of test data. And any set of data that is not ideal can be discarded at any time.

8. Added USB download function, which can directly download test records from the device to the USB drive.

9. If equipped with a computer, detailed test reports can be generated, including specific information for each group, comprehensive information for multiple groups, and curves.

10. The equipment testing interface adopts a dashboard and real-time display of numbers, which is more convenient for viewing the testing process.

11. The equipment has a safety warning prompt. The test cannot start without closing the test chamber door, and a warning will pop up. When it is at full capacity (i.e. no output from the high-voltage transformer), a warning will pop up. If the door is opened during the test, the test will automatically end.

12. Using Bluetooth data transmission to solve the trouble of wall blocking and long-distance operation safety and reliability;

13. The equipment is equipped with a three color alarm light. When the green light is on, it indicates that the box door is well closed and the test can begin. When the yellow light is on, it indicates that the test box door is open and the sample can be replaced. When the red light is on, it indicates that the high voltage is greater than 0.5KV. Do not open the door at this time. The warning light will flash and sound an alarm during the discharge process after the DC test is completed. (Summary: The green light box door is closed well, the yellow light is opened with caution, and the red light has high voltage)

4、 Instrument advantages:

1. Automatic discharge;

2. The testing error for AC voltage, DC voltage, and current is 1%;

3. The electrode bracket is made of high-quality epoxy board;

4. The software can continuously conduct 10 sets of experimental comparisons;

5. Different colors of experimental curves can be overlaid for comparison;

6. The software can set current protection function;

7. Equipped with a host control area, the host can be controlled independently without a computer;

8. The host has voltage and current display functions;

9. Built in exhaust system;

10. Built in lighting function;

11. Discharge alarm device;

12. Bluetooth remote control;

13. Three color light alarm device (green light box door closed well, yellow light open door with caution, red light has high voltage);

14. Can achieve dual operation of touch screen or computer;

15. Combination programming can be implemented, and the boost and withstand times of gradient boosting can be set separately;

16. The USB download function allows for the direct download of test records from the device to the USB drive.

5、 Main technical parameters:

Project

LJC-20E

LJC-50E

LJC-100E

LJC-150E

input voltage

220V 50HZ

Voltage measurement range

AC/DC 0-20KV

AC/DC 0-50KV

AC/DC 0-100KV

AC/DC 0-150KV

Electrical capacity (power)

2KVA

3KVA

10KVA

15KVA

overcurrent protection

0-50mA

0-150mA

pressure rate

0.1KV/S-3KV/S adjustable

0.1KV/S-5KV/S adjustable

Experimental method

AC/DC test: 1. Constant voltage boost 2. Step by step boost 3. Voltage withstand test

Measurement error of AC/DC voltage

1%≤

Current measurement error

1%≤

Pressure resistance time

0-4H (German standard 8H or 15H) or any setting

Instrument dimensions (length, width, height)

1000*700*1400mm

1200*1100*1500mm

2100*1500*2100mm

Host rescheduling

150kg

300KG

500kg

Level 9 security protection

Overvoltage, test overcurrent, test short circuit, safety door opening, software misoperation, zero voltage reset, discharge at the end of the test, independent protective grounding, electromagnetic discharge after the test is completed

6、 Main configuration:

serial number

name

Quantity/Unit

1

High voltage transformer

1 unit

2

voltage regulator

1 unit

3

control system

1 set

4

Voltage acquisition device

1 set

5

Current collection device

1 set

6

Automatic discharge device

1 set

7

Discharge alarm

1 piece

8

A/D converter

1 piece

9

Exhaust device

1 set

10

lighting device

1 set

11

Wireless Bluetooth remote control device

1 set

12

Three color light alarm device

1 set

13

Embedded intelligent touch screen

1 piece

14

Tsinghua Tongfang Commercial Desktop Computer

Chaoyang A3500 (G5905 8G 1T 5-year warranty with built-in WIFI) 21.5 monitor

1 set

15

HP 1112 inkjet printer

1 unit

16

Thickened oil tank

1 piece

17

25mm electrode

2 of them

18

Φ 75mm electrode

1 piece

19

Epoxy board fully enclosed electrode bracket

1 set

20

Bulls with multiple line inserts

1 item

21

Tweezers (clamp sample)

1 piece

22

Steel plate (sample to be taken after oil test)

1 piece

23

Discharge rod (spare)

1 piece

24

data cable

1 piece

25

power cord

1 piece

26

Backup software (CD)

1 sheet

27

Instruction Manual

1 copy

28

Certificate of Conformity - Warranty Card

1 copy