Adding of Oxygen. Via a T-fitting, oxygen or zero air is added continuously to the gas flow until the concentration indicated is about 20% less than the indicated calibration concentration given in paragraph 1.7.2. (The analyser is in the NO mode.) The indicated concentration (c) shall be recorded. The ozonator is kept de-activated throughout the process.
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Samples: digitallibrary.un.org
Adding of Oxygen. Via a T-fitting, oxygen or zero air is added continuously to the gas flow until the concentration indicated is about 20% 20 per cent less than the indicated calibration concentration given in paragraph 1.7.2. (The analyser is in the NO mode.) The indicated concentration (c) c shall be recorded. The ozonator is kept de-de- activated throughout the process.
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Samples: unece.org
Adding of Oxygen. Via a T-fitting, oxygen or zero air is added continuously to the gas flow until the concentration indicated is about 20% 20 per cent less than the indicated calibration concentration given in paragraph 1.7.2. above. (The analyser is in the NO mode.) The indicated concentration (c) c shall be recorded. The ozonator is kept de-de- activated throughout the process.
Appears in 1 contract
Samples: unece.org
Adding of Oxygen. Via a T-fitting, oxygen or zero air is added continuously to the gas flow until the concentration indicated is about 20% 20 per cent less than the indicated calibration concentration given in paragraph 1.7.2. (The analyser is in the NO mode.) The indicated concentration (c) shall be recorded. The ozonator is kept de-de- activated throughout the process.
Appears in 1 contract
Samples: tind-customer-undl.s3.amazonaws.com
