Water & Hydrocarbon Dew Point Analyzer
Our water and hydrocarbon dew point analyzers are the world's most innovative hygrometric solutions for natural gas, measuring the water dew point, hydrocarbon condensation temperature and hydrocarbon concentration level by means of laser-based registration technology.
√ Online Water and Hydrocarbon Dew Point Analyzer
The principle upon which registration of water and hydrocarbon condensation on the chilled mirror’s surface is based involves exploiting the effect of total refraction.
Total refraction is the effect that occurs when light waves that are polarized in the longitudinal plane encounter the interface between dissimilar media in such a manner that the result is the absence of a reflected wave. This effect is only possible when these waves encounter the interface at Brewster’s angle.
In order to achieve this effect, a vertically polarized laser is used as a light source and the mirror is made using a dielectric material.
When the mirror is clean, the laser beam falls on the mirror’s surface at Brewster’s angle and is fully refracted. As a result, a zero signal is obtained at the photodetector output.
Hydrocarbon condensate registration characteristics
When a thin hydrocarbon film with a different refraction index forms on the mirror’s surface, the conditions for total refraction are not met and a new wave reflected from the gas-film media boundary is formed. Moreover, due to the optical transparency of the condensate film, another wave reflected from the film-mirror media boundary is formed as well. As a result, the photodetector captures two reflected beams, which then combine to form an interference pattern.
The hydrocarbon dew point measurement occurs when the thickness of the film is about 5 - 10 nm.
Water condensation registration characteristics
When the mirror cools and water droplets condense onto the mirror’s surface, intense scattering of light occurs. Condensation of water vapor onto the mirror results in an increase in the photoelectric signal of the registration system. The signal level from the photo detector depends on the amount of water condensed on the mirror’s surface.
√ Portable Dew Point Analyzer
Automatic condensation hygrometer has the option to measure manually. It was designed for taking measurements of the water dew point and hydrocarbon condensation temperature as well as the visual monitoring of the condensation processes.
for automated water dew point and hydrocarbon condensation temperature measurements at gas metering stations, underground storage and dehydration units, etc.;
Typical applications are:
- metallurgical industry
- environment protection
Our Partners on Water and Hydrocarbon Dew Point Analyzer:
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