sewerin EX-TEC SR2, Руководство по эксплуатации

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4.2 4.2 4.2 4.2 4.2 T T T T Test gases est gases est gases est gases est gases
The following test gases were used to function-test the detectors:
methane CH
4
propane C
3
H
8
EX-TEC® SR5
ppm range 10 ppm CH
4
100 ppm CH
4
1,000 ppm CH
4
1.00 vol.% CH
4
%LEL range 2.20 vol.% 1.00 vol.%
(50 %LEL) (59 %LEL)
vol.% range 100 vol.% 100 vol.%
or location
natural gas
EX-TEC® SR4
%LEL range 2.20 vol.% 1.00 vol.%
(50 %LEL) (59 %LEL)
vol.% range 100 vol.% 100 vol.%
or location
natural gas
EX-TEC® SR2
vol.% range 100 vol.% 100 vol.%
or location
natural gas
VARIOTEC® 8
ppm range 10 ppm CH
4
100 ppm CH
4
1,000 ppm CH
4
1.00 vol.% CH
4
vol.% range 100 vol.% 100 vol.%
or location
natural gas
For detector settings other than methane or propane the correct values
can be found inside the cover on page 2.