GAS1A Carbon Monoxide (CO) Compressed Breathing Air Detector Tubes – Gastec Airtec Tubes
Used in conjunction with the a1-cbiss Breathing Air Quality Kit, Gastec Airtec Tubes are a convenient and simple system for testing air quality within gas cylinders, compressed breathing air and air lines in compliance with EN12021.
When self-contained breathing apparatus are used for respiratory protection, the quality of the breathing air requires special attention.
Contaminants generated by the compressor or cylinder can be harmful to the worker and respiratory equipment.
Gas detector tubes are glass tubes that are filled with a chemical reagent that absorbs and reacts with the target gas or vapour being measured. Gastec tubes do not contain hazardous substances
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.
Shelf Life – a1-cbiss will never dispatch detector tubes with less than 3 months remaining before expiry. a1-cbiss employ a stock rotation policy of first in, first out. Specific shelf life requirements must be identified at the point of order placement (use the comment box in the checkout process). The expiry date is printed clearly on the front of the detector tube packet.
|Measuring Range||5 to 50 ppm|
|Sampling Rate||100ml/min (300ml)|
|Sampling Time||3 minutes|
|Colour Change||Yellow Dark brown|
|Reaction Principle||CO + Na2Pd (SO3)2 Pd + CO2 + SO2 + Na2SO3|
|Coefficient of Variation||10% (for 5 to 10 ppm), 5% (for 10 to 50 ppm)|
|Shelf Life||Up to 2 years from point of manufacture|
temperature & humidity
|Store the tubes at cool and dark place.|
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