The Mine Hunters are on the search for sapphires. In this episode they head to South Western Madagascar, to one of the few places in the world where a single mine can produce sapphires of every color of the rainbow.
After a wall collapse, oxygen depletion is the biggest danger they face in these dangerous environments – tunnels which have been sealed off for some time, are long, narrow, and go deep under ground.
Unfortunately miner Fred runs out of Oxygen whilst inspecting the first muddy pit mine. His Tetra 3 gas detector goes in to alarm, allowing his friends to pull him out quickly and safely. Although the team here is on a budget, the one piece of kit they can not go without is clear – a life saving gas detector!
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Read more about the Mine Hunters series and watch other episodes.
Find out more about the Tetra 3 Gas Detector and other interesting applications such as Volcano research
“Using the wrong equipment” is the third of Crowcon’s Deadly Sins of Gas Detection. The best of gas detection intentions can be undermined by use of the detection equipment not up to the job. There are many ways in which the accuracy and safety of gas detection equipment can be inadvertently compromised but there are some errors which can be easily avoided. To illustrate the point, here are some examples:
Continue reading “Deadly sin no.3- using the wrong equipment”
Do the sensors and alarms on your gas detector all work? Have they been inhibited by using the wrong cleaning solution or have their openings become obstructed by mud? How do you know? There are many reasons why a portable gas detector may not react to gas that can only be picked up by a bump test. Read more…