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Operation
FIGURE 6-5: Contact pressure gauge
Each valve has a connection for a contact pressure gauge. This connection is closed with a
plug during shipping. Pressure gauges must be ordered separately from the cylinders.
Since the connection is fitted with a check valve, the contact pressure gauge can be assem-
bled even if the extinguishing agent container is pressurized
FIGURE 6-6: Pneumatic alarm device (makrofon)
The makrofon is a pneumatically operated alarm device that is used in stationary gas extin-
guishing systems for life safety. Membranes in the makrofon are made to vibrate as a result of
pressurization with gas. This generates a sound at a constant frequency. This sound is ampli-
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Operator's Manual | Oxeo PR LCP | F_101821 Rev 02 | 06-2022 | en
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