Alicat Scientific MC Series, Installation & Maintenance Instructions Manual

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Gas Select – The selected gas can be changed via RS-232 / RS-485 input. To
change the selected gas, enter the following commands:
In Polling Mode: Address$$#<Enter> (e.g. B$$#<Enter>)
Where # is the number of the gas selected from the table below. Note that
this also corresponds to the gas select menu on the flow controller screen (the
Standard gas category is shown in the example below):
# GAS
0 Air Air
1 Argon Ar
2 Methane CH4
3 Carbon Monoxide CO
4 Carbon Dioxide CO2
5 Ethane C2H6
6 Hydrogen H2
7 Helium He
8 Nitrogen N2
9 Nitrous Oxide N2O
10 Neon Ne
11 Oxygen O2
12 Propane C3H8
13 normal-Butane n-C4H10
14 Acetylene C2H2
15 Ethylene C2H4
16 iso-Butane i-C4H10
17 Krypton Kr
18 Xenon Xe
19 Sulfur Hexafluoride SF6
20 75% Argon / 25% CO2 C-25
21 90% Argon / 10% CO2 C-10
22 92% Argon / 8% CO2 C-8
23 98% Argon / 2% CO2 C-2
24 75% CO2 / 25% Argon C-75
25 75% Argon / 25% Helium HE-75
26 75% Helium / 25% Argon HE-25
27
90% Helium / 7.5% Argon / 2.5% CO2
(Praxair - Helistar® A1025)
A1025
28
90% Argon / 8% CO2 / 2% Oxygen
(Praxair - Stargon® CS)
Star29
29 95% Argon / 5% Methane P-5
For example, to select Propane, enter: $$12<Enter>