Medium Pressure Mercury Vapor Lamp

These lamps are powerful sources of 200 400 nm ultraviolet radiation.

Medium pressure mercury vapor lamp. They differ primarily by electrical excitation and ionization levels of the mercury within the lamp and corresponding internal pressures. Air cooled medium pressure mercury vapor lamp this is often u shaped the burner is made of quartz. Uv medium pressure lamps iron doped the metal halide uv medium pressure iron doped lamps emit uv radiation with peak emission in the uva range at 366 nm and 440 nm. The distribution of energy over the wavelength ranges is depicted on the left.

After that the lamp would heat fast and mercury became. Medium pressure mercury vapor lamps have historically been the industry standard for curing products with ultraviolet light. One would tip the lamp and electrical contacts on each side of the lamp would send electricity through a liquid mercury which started the lamp. In medium pressure mercury vapor lamps the lines from 200 600 nm are present.

The lamps can be constructed to emit primarily in the uv a around 400 nm or uv c around 250 nm. Ultraviolet source the ultraviolet source used in this system is a medium pressure mercury lamp. In addition to high efficiency these lamps are characterized by long life and maintenance free operation. In medium pressure mercury vapor lamps the lines from 200 600 nm are present.

This material allows the passage of ultra violet can withstand very high temperatures and has a fairly low coefficient of expansion. Medium pressure mercury vapor lamps there are also medium pressure mercury lamps which have somewhat intermediate characteristics. Uv medium pressure lamps lead doped the metal halide uv medium pressure lead doped lamps emit uv radiation with peak emission in the uva range at 357 nm and 420 nm. Vapor lamps were in a lower pressure tube.

The bulbs work by sending an electric discharge to excite a mixture of mercury and noble gasses generating a plasma. They emit primarily in the blue and green. They emit primarily in the blue and green. High pressure mercury vapor lamps are commonly used for general lighting purposes.

Low pressure lp amalgam low pressure lp and medium pressure mp lamps are all mercury based lamps. High pressure mercury vapor lamps are those lamp commonly used for general lighting purposes. Unlike most other uv sources the medium pressure lamp mpl has a polychromatic spectral distribution from 190 nm up to the infrared spectrum. In medium pressure mercury lamps a plasma that emits uv light is generated by applying electrical voltage.

They can be optimized e g. Once the mercury reaches a plasma state it irradiates a high spectral output in. Primarily emit uv a or uv c light e g.