Speciality Gas Mixture 191.4 ppm Ethanol balance Air, BS341 No.4 Valve, Used for the calibration of Evidential Breath Analysers
Speciality Grade Mixture, 0.66% C3H8 Balance Air, BS4 valve, primarily used in forklift truck ignition testing.
Speciality Grade Mixture, 10% CH4 Balance Ar, BS4 valve, primarily used in the Nuclear sector.
Speciality Grade Mixture, 10% H2 Balance N2, BS4 valve.
Speciality Grade Mixture, 5% H2 balance N2, BS4 valve.
Speciality Grade Mixture, 7.5% CH4 Balance Ar, BS4 valve, primarily used in the Nuclear sector.
Speciality Grade Mixture, 4% CO2, 16% O2 Balance N2, BS3 valve.
Speciality Grade Mixture, 5% CO2, 15% O2 Balance N2, BS3 valve.
Speciality Grade Mixture, 5% CO2, 40% He balance N2, BS3 valve, primarily used for Lasers.
Speciality Grade Mixture, 1.7% CO2, 23.4% N2 balance He, BS3 valve, primarily used for Lasers.
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