Gastec Tubes


The glass tubes are filled with chemical reagent that absorbs and reacts with the target gas or vapour being measured.

A colorimetric stain (a colour change) is created.

For most tubes, the concentration is read directly from the pinpoint accurate measurement scale on each tube.

  • For Oil Mist, Water Vapour, CO, CO2, NO+, NO2, H2S, SO2
  • Mandatory as per USP - NF 24, EP 4-2.1.6, IP-2.1.1 and BP-2.1.6
  • Based on color change detector tube

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