UV power puck test LED lamp and high pressure mercury lamp

Ultraviolet curing technology is widely used in modern times, and the energy detection of ultraviolet light sources has become important. One of the indispensable things is the UV energy meter. The purpose of the UV energy meter is to detect whether the power and energy of the UV light source meets the curing standard, to detect whether the UV light source is attenuated or needs to be replaced. UV power puck can be used to test the light source used in the exposure machine.
UV energy meter
The process of curing a material that can be cured by ultraviolet radiation is called the UV Curing Process. The biggest difference between UV curing and traditional drying process is that traditional drying generally relies on the volatilization of the solvent in the coating material to form hardening, while the UV curing process is a photochemical reaction without solvent volatilization. UV curing light sources are mainly divided into two categories:
A: Mercury lamp
Ultraviolet curing machines have been used for a long time now with mercury lamp light source as the mainstream. The principle of the mercury lamp is that the mercury in the lamp is excited by the voltage to become mercury gas and emit ultraviolet, visible and infrared rays. The industry has been striving for improvement due to defects such as fast decay, short life, high power consumption, high cost of use, increased temperature, large volume, and mercury content. However, it has been difficult to break through the limitations of the original hardware. Ultraviolet energy meter for mercury light source detection
B: LED UV curing light source:
At the beginning of the 21st century, UV curing entered the era of LED light sources. In addition to providing stable single-wavelength UV light, different power LEDs with wavelengths of 365nm, 385nm, 395nm, and 405nm can be selected. It has also attracted more and more attention from the industry due to its environmental protection, energy saving, long life, no heat radiation, and miniaturization of equipment that traditional mercury lamps do not have. In just a few years, UV-LED curing equipment has also started from a point light source and developed into a multi-branch, multi-purpose, such as line light source, surface light source, and wireless portable light source to meet the needs of various curing occasions. It does not contain mercury, it is a new energy-saving and environmentally friendly product, which makes the UV curing of the product faster, more efficient, greener, safer and more environmentally friendly.
For UV curing box: UV energy (mJ/cm2) = UV intensity (mW/cm2) * exposure time (s); therefore, precise control of UV intensity and exposure time can accurately control UV energy. Since the UV light source will decay over time, in order to control the UV energy of the curing process to be consistent, it is necessary to monitor the UV energy value of the UV curing process with a UV energy meter, so the role of the UV energy meter is very important.