Ametek 303B

Appendix-E | E-1
Appendix E
Divide desired flow rate by the following correction factors to obtain proper flow meter setting
Flow meter Correction Factors (Approximate)
Argon 0.85
Butadiene 0.73
Butane 0.71
Carbon Monoxide 1.01
Ethane 0.98
Ethylene 1.02
F-22 0.58
F- 12 0.49
134A 0.53
Helium 2.69
Isobutane 0.71
Isobutylene 0.72
Methane’s 1.35
Nitrogen 1.01
Oxygen 0.95
Propane 0.81
Propylene 0.83
Mole weight of gas
X = --------------------------------------
28.95 (Mole weight of air)
     CorrectionFactor=√1/X