Sight Glass Level Indicator Working Principle

The liquid column is contained within the recess of the liquid chamber behind the sight glass which is clamped to the gauge body.

Sight glass level indicator working principle.

The level of liquid in the sight glass will be the same as the level of liquid in the tank. Direct level indication without power supply transparent sight glass level indicator reflex sight glass. Simple sight glasses may be just a plastic or glass tube connected to the bottom of the tank at one end and the top of the tank at the other. The principle of the reflex level indicator is based on the reflection of light.

The principle of reflex level gauges is based on the difference in the refractive indices of liquid and vapor. Reflex glass level gauges use glasses having the face fitted towards the chamber shaped to have prismatic grooves with section angle of 90. Utilizing a combination of proven buoyancy principles along with the benefits magnetism mlis can be customized to fit virtually any process connection arrangement on the vessel. I made the video of sightglass technique as a levelindicator here the construction and workingprinciple of sight glass are mentioned in this video.

How does the sight glass level indicator work. In the gas or steam phase the light is reflected by the prismatic grooves of the sight glass so that bright indication is achieved. Working principle reflex glass level gauges working principle is based on the light refraction and reflection laws. Onto the gauge body are mounted or are already integrated the valve heads and process connections.

The main element of the glass level gauge is the gauge body. Magnetic level indicators mli have revolutionized the global visual indication market by offering a safer reliable and high visibility alternative to common gauge glass assemblies. In the liquid phase the light is absorbed resulting in a dark indication of the level. Drain or vent are also.

Reflex glass level gauges working principle is based on the light refraction and reflection laws. Today however sophisticated float switches have replaced sight glasses in many such applications.