274 Instructions for use | Atlan A100 (XL), A300 (XL), A350 (XL) SW 2.1n
Technical data
15.4 Fresh-gas delivery with electronically controlled gas
mixer
15.5 Fresh-gas delivery with a mechanically controlled gas
mixer and electronic flow measurement
Standardization All data are standardized to STPD conditions.
O
2 concentration FG O2
Setting range 21 to 100 Vol% (carrier gas: Air)
25 to 100 Vol% (carrier gas: N
2O)
Increment value 1 Vol%
Accuracy ±5 % of the set value or ±2 Vol% (the greater value
applies)
Fresh-gas flow FG flow
Setting range Off; 0.20 to 15.00 L/min
Increment value 0.05 L/min (below 1.00 L/min)
0.10 L/min (between 1.00 and 5.00 L/min)
0.50 L/min (above 5.00 L/min)
Accuracy ±10 % of the set value or ±50 mL/min (the greater
value applies)
Information The maximum flow dispensed can be reduced depend-
ing on the ambient pressure or temperature. At the lim-
its of the permissible operating conditions, a rate of at
least 13.5 L/min is reached. (An STPD flow of
13.5 L/min corresponds to an ATPD flow of 21 L/min at
650 hPa ambient pressure, for instance.)
Standardization All data are standardized to STPD conditions.
O
2 concentration 21 to 100 Vol%
Setting range for fresh-gas flow Off to at least 12.0 L/min (O
2, Air, and N2O)
Information The specified setting range can be reduced depending
on the ambient pressure or temperature. At the limits of
the permissible operating conditions, a rate of at least
10 L/min is reached. (An STPD flow of 10 L/min corre-
sponds to an ATPD flow of 15.6 L/min at 650 hPa
ambient pressure, for instance.)
Electronic measurement of fresh-gas flow
Range 0.00 to 15.00 L/min (O
2, Air, and N2O)
Accuracy ±10 % of the delivered flow or ±0.12 L/min (the greater
value applies)
Resolution of the value displayed on the
screen
0.01 L/min (from 0.00 to 0.20 L/min)
0.02 L/min (from 0.20 to 0.50 L/min)
0.05 L/min (from 0.50 to 1.00 L/min)
0.10 L/min (from 1.00 to 15.00 L/min)
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