Viasensor G200, Руководство по эксплуатации

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OMG200N1.24
G200 Analyzer Range
VIASENSOR Page
60
N
2
N
2
O
Nitrogen gas.
Nitrous oxide gas.
O
2
Oxygen gas (typically 20.9% in air, measured
via electro-chemical cell).
OEL Occupational Exposure Limits.
Over range codes Over range codes are errors above the maximum
allowed reading and will be displayed with more
than chevrons (>>.>).
Person mode ‘Person’ is the soft-key used to begin operating
in personal safety monitoring mode. This mode
automatically stores an average N
2
O reading
every 15 minutes. G200 only.
ppm Parts per million.
Predetermined Set up prior to use via Analyzer Data Manager
software.
Pressure Maximum input pressure 300mb maximum flow
250ml.
Pump The device used to transfer a gas sample into
the instrument where that sample is not under
pressure. Select the ‘Pump’ key on the analyzer
to activate.
Regulator flow The regulator’s flow is factory set. It only
requires a few turns to open, no adjustment is
available.
Sample tube Tube used to transfer sample gas from the
source to the analyzer.
Soda lime CO
2
filter kit Removes CO
2
when taking a reading. Must be
fitted on the G200 model.
Span The point at which the gas analyzer is calibrated
when a known concentration of the target gas is
present.
TWA Time Weighted Average.
Under range codes Under range codes are errors below zero and will
be displayed with less than chevrons (<<.<).
User calibration Users have the facility to calibrate the analyzer
between services. User calibration of the gas
analyzer will improve the data accuracy in the
range of the calibration gases used.
Warm-up self-test Predetermined self-test sequence to test the
analyzer functions which takes place after the