CQ-Leeb720Type electric spark detector

1、 Overview
CQ-Leeb720 DCElectric spark detectorIt is a specialized instrument used to detect the quality of metal anti-corrosion coatings. This instrument can be used to perform quality testing on coatings of different thicknesses, such as enamel glass, fiberglass, epoxy coal tar, and rubber lining. When there are quality issues with the anti-corrosion coating, such as pinholes, bubbles, and cracks, the instrument will emit bright electric sparks and sound an alarm. The instrument is powered by nickel hydrogen batteries (which have the advantages of high capacity, long lifespan, light weight, no pollution, no memory effect, and can be quickly charged, discharged, and discharged, making them an ideal green and environmentally friendly product), making them particularly suitable for field operations. The instrument is designed to be advanced, stable, and reliable,

Instrument usage industry:It can be widely used in the chemical, petroleum, rubber, and enamel industries, and is an essential tool for detecting the quality of metal anti-corrosion coatings.


2、 Main technical performance
1. Applicable detection thickness: 0.1-20mm
2. Output high voltage: 2-30KV (continuously adjustable)
3. Directly display the output high voltage value
4. DC power supply: 12V
5. Power consumption: approximately 6W
6. Host volume: 180 × 170 × 70mm
7. Host weight: 1.8kg


3、 Introduction to Detection Principle and Structure
1. Detection principle: The electric spark detector applies a certain amount of pulse high voltage to the surface of various conductive substrate anti-corrosion layers. If the anti-corrosion layer is too thin, leaks metal or has gas leakage pinholes, when the pulse high voltage passes through, it forms an air gap breakdown and generates spark discharge. At the same time, it sends a pulse signal to the alarm circuit, causing the alarm to sound an alarm, thus achieving the purpose of detecting the anti-corrosion layer.