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PS7548

ASA CO-D Carbon Monoxide Detector Patch

This Carbon Monoxide Detector can save a pilot's life, especially when flying with the heater on, by warning of the presence of CO in the cockpit.
NZ $9.95
Qty.

Carbon Monoxide (CO) is a toxic, odourless, and tasteless gas produced by the incomplete combustion of gasoline, kerosene, natural gas, butane, propane, fuel oil, wood, coal, and other fossil fuels. Dangerous levels of CO can be produced by internal combustion engines or from any poorly vented or improperly adjusted fuel-burning appliance. Exposure to CO may cause sickness, headaches, or even death.

This Carbon Monoxide Detector can save a pilot's life, especially when flying with the heater on, by warning of the presence of CO in the cockpit. The spot will turn grey/black when CO is in the air. The spot on the detector returns to normal colour after it is exposed to fresh air.

You can use this CO-DETECTOR as your personal and portable CO detection device. With the adhesive back, stick it on the panel or dash for a semi-permanent installation, or wear it on an ID badge or on a lanyard.

Uses include:
Aeroplanes
Cars
Fuel Trucks
Grass Cutting Equipment
Tugs
Campers
And More!

Useful life is 12 months once opened.

Shelf Life, for unopened package is 3 years

 

How it works

These simple detectors are pieces of cardboard with a small orange-coloured circle in the middle. If there is a high-level of carbon monoxide in the vicinity, the circle changes colour from orange to black. This happens as a direct result of chemistry. The detector circle is gritty and sand-like; it is silica gel impregnated with a catalyst made from chemicals that include palladium and molybdenum salts (such as palladium sulfate and ammonium molybdenate).

When carbon monoxide touches the detector, it's oxidized by the chemical salts on the strip and turns into carbon dioxide. The chemicals on the strip are simultaneously reduced and change colour to black. The strip also contains a chemical salt made from a transition metal such as iron, nickel or copper. Once the carbon monoxide is removed, this metal salt steals some oxygen from the air and changes the catalyst back to its original chemical form—so the detector spot changes colour back to orange again. In other words, the catalyst regenerates itself in the air.

The expiration dates are printed on the package. Typical un-opened shelf life is 3 years and is one year after opening the package. There is a place on the detector itself to write the date opened.

How fast does it work?
 

Concentration Reaction Time

100ppm 15-45 min

200ppm 4-5 min

300ppm 2-4 min

400ppm 1-4 mon

Made in Denmark

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