€110.00
A Dräger indicator tube is a glass tube filled with a reagent for measuring the concentration of various gas impurities in air.
It is used in composting facilities to determine the concentration of ammonia vapor in the air. The level of ammonia released from the compost can be used to determine the beginning or end of the composting process.
How it works:
The tube is inserted into a hand pump. Each stroke of the pump passes a certain amount of air through the tube, causing the reagent to change color from basic to blue, depending on the ammonia concentration.
Manufacturer: Germany
€110.00
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