HPM Systems, Inc.
Gas Dilution Calculator

HPM Gas Dilution

QR Code github.com/MarcusHPM/
HPM-Gas-Dilution

Concentrations

Cylinder Concentration
C_cyl
ppm
Target Concentration
C_target
ppm

Volume

Total Bag Volume
V_total
L

Calculated Volumes

Gas Volume
C_target × V_total / C_cyl
3.000
L
Air Volume
V_total − V_gas
27.000
L
Gas % of Mix
C_target / C_cyl × 100
10.000
%

Flow Rates

Air Flow Rate
Q_air
L/min
Gas Flow Rate
Q_gas
L/min

Fill Times — t = V ÷ Q

Gas Valve Open
00:30
0.500 min
Air Valve Open
04:30
4.500 min
Equations
V_gas= C_target × V_total / C_cyl V_air= V_total − V_gas mix%= (C_target / C_cyl) × 100 t_gas= V_gas / Q_gas t_air= V_air / Q_air