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reflex level gauge

Reflex level gauges are frequently used for level detection within a specific vessel, and the primary principle is based on the difference in refractive indices of vapor and liquid. Reflex level gauges offer tremendous advantages in terms of low purchase and maintenance costs, as well as easy level reading. Anyway, we cannot use them in some instances, such as when the separation level between two liquids has to be read, when the observation of the liquid color is required or when the fluid is measured high-pressure water stream.

The most advantage of this type is for easy reading of boiling liquids. In liquids boiling, the bubbling makes indistinct the surface level. In this type of reflex level gauge with a larger volume of the liquid chamber, the bubbling will be reduced. This type is also suitable for highly dense and viscous liquid, as the body is made of seamless pipe.

Reflex level gauges may be applied in various applications to include feedwater heaters, DE aerators, boiler drums, and other types of tanks.

For a reflex level gauge, within the recess of a liquid chamber and behind a single piece of glass, the liquid column clamps down onto the gauge body. This glass is flat on the outside, and the inside has a series of prism grooves that face the vapor and liquid space. Whether light enters the moisture or liquid space, it is reflected or absorbed, respectively. Reflex level gauges offer significant advantages in terms of low purchase and maintenance costs, as well as easy level reading.