BITMAIN ANTMAINER S19j Server Installation Manual page 20

2.2 Requirements of Corrosive Gas
Corrosive Gas
H S
2
SO
2
Cl
2
NO
2
HF
NH
3
O
3
Note: ppb (part per billion) refers to the unit of concentration，1ppb stands for the volume ratio of
part per billion.
Unit
ppb
ppb
ppb
ppb
ppb
ppb
ppb
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Concentration
< 3
< 10
< 1
< 50
< 1
< 500
< 2
S19j Server Installation Guide