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Home > Gas by name > Hydrogen
Hydrogen

Formula

H2


CAS nr.

1333-74-0


Measuring ranges

Standard range:  0 - 4000 ppm, 0 - 4 %
Low range: 0 - 2000 ppm


TLV level (TLV-TWA)

 


Risks

Risk of oxygen deficiency. Minimum oxygen content 19.5% by volume under normal atmospheric pressure.
Risk of explosion. LEL = 4 %


Relative density (compared to air):

0.03 

 

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New Cosmos offers a variety of H2 gas detectors.