LDH-20KV arc resistance tester

Project Content

LDH-20KVType arc resistanttestinstrument

1Standards based on

LDH-20KVThe type of arc resistance tester is based onGB/T 1411-2002Test for Resistance of Solid Insulation Materials to High and Low Voltage Current Arc Discharge (Equivalent)IEC 61621-1997）AndASTM D495Designed and manufactured according to standard requirements and in compliance withUL 746AWaiting for experimental methods.

IIFunctional Features

1、This machine has an integrated upper and lower structure, with the lower part being the operating system and the upper part being the test chamber.

2、This product adoptsPLCWith touch screen control, it has a high degree of automation and can automatically increase and decrease voltage and stabilize voltage, automatically switch and execute programs, automatically depict operating curves, measure real-time voltage and current, and time test time.

3、The electrode system imitates German imported electrodes, with convenient, fast, efficient angle and gap calibration, good repeatability, and high accuracy.

4、Data measurement adopts high-precision and high-speed methodsVFConversion chip, fast conversion speed, high measurement accuracy, strong anti-interference ability.

5、This machine is equipped with exhaust holes, which can timely eliminate the decomposition products generated by discharge and ensure the health of operators.

IIIscope of application

The arc resistance performance and grading evaluation of electrical plastics, resin adhesives, insulation paints, as well as insulation materials such as laminates, copper-clad laminates, and components used in industries such as motors, electrical appliances, and home appliances.

4Main technical parameters

1、Error in arc on-off time: 1/8S Tong 7/8S is brokentime±5msOther program segments are superior to±1ms

2、 Voltage regulator capacity:1kVA

3、Rated test voltage: 12.5kV

4、Maximum test voltage:15.0kV

5、Test voltage accuracy:＜1.0%

6、Accuracy of current measurement:＜1.0%

7、Electrode to sample pressure: (0.5 ± 0.05) N

8、Electrode material: tungsten rod

9、Electrode distance: (6.35 ± 0.1) mm

10、useEnvironmental temperature: (23 ± 2) ℃

11、useEnvironmental humidity: (50 ± 5)%

12、Power supply: 220V ± 5% 50Hz 10A

13、The experimental procedure is as follows:

NoneStructure and Composition

1 This system consists of two parts

（1）Control section. LDH-20KVThe lower part of the arc resistance tester is the operating system, which is equipped with an electrical control system. By selecting the program（IECperhapsASTM）Can conduct experiments automatically, andnumberShow the process of each experimentAnd the results, starting, stopping, breakdown and tripping protection of the experiment, and the judgment of the termination of the experiment.

（2）High voltage testing section. Composed of an electrode system.

VIStandard configuration

1、Main unit of arc resistance tester 1tower

2、electrode system 1cover

3、Power Cable 1root

4、Standard electrode spacing gauge block 1individual

5、Angle standard block 1individual

6、Product Calibration Certificate 1share

7、Sample stand 1individual

8、operation instructions 1stem or root of plants

9、GB/T 1411standard 1share

10、IEC 61621standard 1share

11、Grounding discharge rod 1root

12、packing list 1share

7Power and safety requirements

1、LDH-20KVType arc resistance tester Three hole flat socket220V 10A 1individual

2、All instruments and equipment require grounding and grounding resistance≤1Ω, the supply and demand parties agree that the supplier shall provide technical requirements and the demand party shall construct the grounding system themselves.