Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
A-30 Service Manual · Version 9.0
2 Fluid actions cobas b 221 system
Measurement
Finally the outlet and reference valves are closed and the conductivity is checked
again.
After each washing of the BG or ISE, the rail is washed and emptied to counteract
electrical couplings to the pump elastomer.
Along with the recalibration the tHb/SO
2
or COOX module is dried. Air is aspirated
into the waste separator with the vacuum pump through V4, measuring module, V2
and V23.
Before the instrument is released for the next measurement, Mix1 residue is aspirated
into the waste separator with the main pump with valves V22, V15 open.

Roche cobas b 221 system Specifications

General

Brand	Roche
Model	cobas b 221 system
Category	Medical Equipment
Language	English