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EN61000-3-3:2008
Electrical equipment for measurement, control
and laboratory use — EMC requirements.
6. Requirements for Sample Gas
Flow rate:
0.5 ±0.2L / min (including purge gas for
H
S measurement)
2
Pressure:
10 kPa or less (Gas outlet side should be
open to the atmospheric air.)
100 μg/Nm
Dust:
μm or smaller
Mist:
Unallowable
Moisture:
Less than the content saturated at 2°C
Corrosive component: 1 ppm or less
(H
S scrubber is required on pipings for
2
NDIR and O
Standard gas for calibration:
1) Infrared-ray measurable component, standard O
Zero gas ; Dry air
Span gas ; Each sample gas having
2) H
S measurement
2
Zero gas: air *
Span gas: concentration of 90 to 100 %
Purge gas: air *
*Use moist air saturated at the temperature
from room temperature through 2°C. Do
not use air which includes H2S nor dry
air saturated below 2°C or less.
7. Installation Requirements
not receive direct sunlight, draft/rain or radiation from hot
substances. If such a place cannot be found, a roof or
cover should be prepared for protection.)
or air is indispensable.
2
2
corrosive.
S alarm around the analyzer.
2
8. Items to be Prepared Saparately
TQ503691C1
sensor (for replacement): TQ503691C2
2
INZ-TN2ZPAF-E
or less in particle size of 0.3
3
measurement.)
2
concentration 90 to 100% of
its measuring range (recom-
mended).
of its measuring range
S sensor (for replacement):
2
2
73
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