9
INZ-TN6ZAJ-E
3.4 Gas sampling
3.4.1 Sample gas requirements
7KHGXVWFRQWDLQHGLQVDPSOHJDVVKRXOGEHHOLPLQDWHGFRPSOHWHO\ZLWK¿OWHUV7KH¿OWHUDW
WKH¿QDOVWDJHVKRXOGEHFDSDEOHRIHOLPLQDWLQJGXVWRIPLFURQ
7KHGHZSRLQWRIVDPSOHJDVPXVWEHORZHUWKDQWKHDPELHQWWHPSHUDWXUHIRUSUHYHQWLQJIRU
-
PDWLRQRIGUDLQLQWKHDQDO\]HU,IZDWHUYDSRULVFRQWDLQHGLQVDPSOHJDVXVHDGHKXPLGL¿HU
WRORZHUWKHGHZSRLQWRIWKHVDPSOHJDVGRZQWRDERXW&
,I62
PLVWLVFRQWDLQHGLQVDPSOHJDVWKHPLVWVKRXOGEHHOLPLQDWHGZLWKDPLVW¿OWHUFRROHU
HWF(OLPLQDWHRWKHUPLVWLQWKHVDPHZD\
,IDODUJHDPRXQWRIKLJKO\FRUURVLYHJDVVXFKDV&O
)
RU+&OLVFRQWDLQHGLQVDPSOHJDVWKH
VHUYLFHOLIHRIDQDO\]HUZLOOEHVKRUWHQHG
6DPSOHJDVWHPSHUDWXUHLVDOORZHGZLWKLQDUDQJHIURPWR&
6DPSOHJDVÀRZUDWH
±YRO2
UDQJHV/PLQ/PLQ
±YRO2
UDQJHV/PLQ/PLQ
6HHWKHGLDJUDPRQWKHQH[WSDJHZKHUHWRLQVWDOODÀRZFKHFNHU
Sample gas outlet
7KHSUHVVXUHRIWKHVDPSOHJDVRXWOHWVKDOOEHDWPRVSKHULFSUHVVXUH
3.4.2 Reference
gas
7KLVDQDO\]HUUHTXLUHVDUHIHUHQFHJDV6HOHFWDSURSHUUHIHUHQFHJDVF\OLQGHUDVVSHFL¿HGEHORZ
0HDVXUHPHQWUDQJH
5HIHUHQFHJDV
0RGHO
±«2
1
=%0
Ԑ
1<±
±«2
$LU2
EDODQFH1
)
=%0
Ԑ
5<±
±«2
2
=%0
Ԑ
6<±
,WLVUHTXLUHGWKDW1
RUDLUFRQWDLQVQRGXVWPRLVWXUHRUPLVW,IWKHUHLVDSRVVLELOLW\WKDWGXVW
PRLVWXUHRUPLVWH[LVWVLQWKH1
RUDLUF\OLQGHULQVWDOODQHTXLSPHQWEHIRUHWKHDQDO\]HUWRHOLPL
-
nate them.
)ORZWKHUHIHUHQFHJDVZLWKDSUHVVXUHRIN3DDQGDÀRZUDWHRI±P/PLQ
:LWKRXWWKHUHIHUHQFHJDVQRWRQO\WKHPHDVXUHPHQWLVXQDYDLODEOHEXWWKHVHQVLQJHOHPHQWPD\
FRUURGHGXHWRFRUURVLYHPDWWHUVLQWKHVDPSOHJDV8VHDSUHVVXUHDODUPWRFKHFNWKHVWDWXVRIWKH
UHIHUHQFHJDVÀRZ