TB 150 - 5 Gas Flashcards
1
Q
How often does the 5 gas need calibrated?
A
180 days
2
Q
The ___batteries last about 2-3 weeks , if less the ____percent, replace them. The size of the Allen key is ___mm
A
2 x AA batteries
3/4 full
2mm
3
Q
The 5 gasses are, O2, hydrogen _____, carbon Monoxide, hydrogen _____ and methane.
A
Cyanide and sulfide
4
Q
Any area that displays a reading of about _____percent O2, immediately leave the area.
A
23.5 %
