Request InfoAlicat ScientificGas Select 5.0, new firmware for Alicat Scientific mass flow meters and controllers, allows precise control of virtually any type of laser gas. The firmware features a library of 130 preloaded full-gas calibrations. The library has also been updated to include complete NIST Ref Prop 9 gas properties data for the preloaded gases and gas mixes. In addition to many pure gases, it includes six gas mixes common for CO2 and HeNe lasers. 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