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What sensor technology is used in Reliable Instruments M3 mercury vapor meters?

April 26, 2017instruments M3 mercury meters sensor Technology Used vapor

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What sensor technology is used in Reliable Instruments M3 mercury vapor meters?

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The sensor is a patented gold film surface chemistry transducer. It consists of a thin film of gold on a ceramic wafer about ½ by 1 inch. The ceramic also has a gold film heater on the back side which is used to remove adsorbed mercury from the active surface. This process is called regeneration.