User guide

alicat.com The Fastest Flow Controller Company in the World!
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Gas
Absolute
Viscosity*
25°C
Density **
25°C
14.696 psia
Compressibility
25°C
14.696 psia
0 Air Air 184.918 1.1840 0.9997
1 Argon Ar 225.593 1.6339 0.9994
2 Methane CH4 111.852 0.6569 0.9982 3 Carbon Monoxide CO 176.473 1.1453 0.9997
4 Carbon Dioxide CO2 149.332 1.8080 0.9949 5 Ethane C2H6 93.540 1.2385 0.9924
6 Hydrogen H2 89.153 0.08235 1.0006
7 Helium He 198.457 0.16353 1.0005 8 Nitrogen N2 178.120 1.1453 0.9998
9 Nitrous Oxide N2O 148.456 1.8088 0.9946
10 Neon Ne 311.149 0.8246 1.0005
11 Oxygen O2 204.591 1.3088 0.9994
12 Propane C3H8 81.458 1.8316 0.9841
13 normal-Butane n-C4H10 74.052 2.4494 0.9699 14 Acetylene C2H2 104.448 1.0720 0.9928 15 Ethylene C2H4 103.177 1.1533 0.9943
16 iso-Butane i-C4H10 74.988 2.4403 0.9728
17 Krypton Kr 251.342 3.4274 0.9994
18 Xenon Xe 229.785 5.3954 0.9947
19 Sulfur Hexauoride SF6 153.532 6.0380 0.9887
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Gas
Absolute
Viscosity*
25°C
Density **
25°C
14.696 psia
Compressibility
25°C
14.696 psia
20 75%Ar / 25% CO2 C-25 205.615 1.6766 0.9987 21 90% Ar / 10% CO2 C-10 217.529 1.6509 0.9991 22 92% Ar / 8% CO2 C-8 219.134 1.6475 0.9992
23 98% Ar / 2% CO2 C-2 223.973 1.6373 0.9993
24 75% CO2 / 25% Ar C-75 167.451 1.7634 0.9966 25 75% Ar / 25% He A-75 230.998 1.2660 0.9997 26 75% He / 25% Ar A-25 234.306 0.5306 1.0002 27
90% He / 7.5% Ar /
2.5% CO2
Helistar® A1025
A1025 214.840 0.3146 1.0003
28
90% Ar / 8% CO2 /
2% O2
Stargon® CS
Star29 218.817 1.6410 0.9992
29 95% Ar / 5% CH4 P-5 223.483 1.5850 0.9993
*in micropoise
(1 Poise = gram / (cm) (sec)) **Grams/Liter
Reference: NIST REFPROP 7 Database
SCFM 1.00 = 28.3160 SLPM SLPM 100.00 = 3.5316 SCFM
SCFH 1.00 = 0.4719 SLPM SLPM 100.00 = 211.9093 SCFH
SCIM 100.00 = 1.6390 SLPM SLPM 1.00 = 61.0128 SCIM
SCIH 1000.00 = 0.2732 SLPM SLPM 1.00 = 3660.7688 SCIH
Gas Viscosity, Density and Compressibility:
Flow Conversions:
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