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EFM Option
6.1 EFM Technical Description
6.1.1 General
The Electronic Flowmeter (EFM) is an option for the BleaseSirius that pro-
vides a digital display for the fresh gas control. EFM replaces the traditional
mechanical fl owmeter and glass fl ow tubes with fl ow sensors. It incorporates a
glass fl ow tube that displays the total combined gas fl ow.
The needle valves and hypoxic guard components of EFM are identical to the
traditional mechanical fl owmeter components. These components are installed
in a new block allowing the EFM fl ow sensors for each gas to be fi tted.
The EFM display can be confi gured for all regional orientations.
An SD Card reader slot is provided on the EFM for software upgrades and
service.
A
B
D
C
Figure 149 Key
A Total Combined Flow Tube
B Flow Sensor Display
C Flow Controls
D SD Card Reader
(on the side)
Figure 149 - EFM Components
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