Description
Description:
B69H-32/2-W Blind-free two-color water meter is a one-time local instrument used to monitor the water level of the high- pressure boiler drum. If it is equipped with an industrial TV monitoring system, remote monitoring can be realized. The water level gauge can also be used for water (liquid) level monitoring in other industries such as petroleum and chemical industry
Working principle:
B69H Blind-free two-color water meter is a liquid level gauge designed and produced by using the principle of light refraction. When measuring, the light emitted by the light source passes through the red and green color filter lenses and shoots towards the liquid cavity of the water level gauge body. In the vapor phase part of the cavity, the red light is directed straight ahead, while the green light is absorbed obliquely to the wall. In the liquid phase part of the cavity, due to the refraction of the water level, the green light shoots straight ahead, while the red light shoots obliquely to the wall, so when viewed straight ahead, it shows steam-red, water-green.
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