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CR 1404:1994

Determination of emissions from appliances burning gaseous fuels during type-testing

General information

Withdrawn from 15.05.2024
Base Documents
CR 1404:1994
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.05.2024
Main
02.03.2016
Main
This draft describes test methods and automatic measuring equipment for the determination of NOx (NO + NO2). CO, CO2 and O2 emissions in the flue gases including the sampling system and the calibration gases. The document should be introduced in the relevant gas appliances TC.
Gas cookers, flueless appliances and appliances especially designed for use in industrial processes carried out on industrial premises are excluded from the scope.
According to their principles of analysing the combustion products, the analyzers are classified into following families :
analyzers based on the chemiluminescent effect : NO an NO2.
analyzers based on the absorption of infra-red and ultra-violet radiation: NO and  NO2 for concentrations > 100 ppm, CO and CO2,
analyzers based on the paramagnetic principle: O2.
electrochemical  analyzers: they  are  considered  to  be inadequate  for  laboratory  testing procedures.
The conversion of measured levels to reference conditions is given in appendix 1.

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