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GAS1L Carbon Monoxide Gastec Detector Tubes 2.5 – 2000ppm
GAS1L Carbon Monoxide (CO) Standard Gastec Detector Tubes
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.
The Gastec detector tube system is comprised of a handheld Gastec air sampling pump and Gastec detector tubes
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.
To view the product specification, download product datasheet from the Product Downloads section
A customer wishes to purchase the tube GAS1L, but they are worried that they might have H2S interfering with their reading.
The guide for the GAS1L tube mentions that if it has “> 1/5” of H2S, it will have interference.
But what unit is this? Is that 1/5 %VOL or 1/5 ppm? Or 1/5 of the full scale? Could you please explain to us?
It means that if the concentration of H2S is 1/5 times as much as CO or higher, the result will be higher than actual concentration.
For example, when the concentration of CO is 500 ppm, more than 100 ppm of H2S interfere with the measurement.
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