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Inficon Protec P3000 User Manual

Inficon Protec P3000
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58 Equipment Settings
The lower the contamination limit is set, the longer the life time of the Wise Techno-
logy sensor of the Protec P3000.
Notice The Protec P3000 should not be switched off or set to
STANDBY mode while
HELIUM CONTAMINATED as this will trap the increased levels of helium inside
the sensor and it cannot be pumped away for clean up of the Protec P3000.
Switching of the Protec P3000 while contaminated with large
concentrations of helium will in fact lead to significantly increased start-up
times afterwards. If this has happened by mistake, just switch on the Protec
P3000 and let it sit in "Warm up" until it reaches measurement mode.
Flow limits
(for Protec P3000 only)
In this submenu the minimum and maximum gas flow through the capillary is
entered. If the actual gas flow drops below this limit (e.g. if the capillary becomes
partially blocked) or exceeds this limit (e.g. if the sniffer line is damaged so that
ambient air is sucked in) an alarm is issued. The closer the
LOWER FLOW LIMIT is set
to the actual gas flow the more sensitive the Protec P3000 will respond to beginning
clogging of the filters and the sniffer line itself. The closer the
UPPER FLOW LIMIT is set
to the actual gas flow the more sensitive the Protec P3000 will respond to damages
to the sniffer line.
Notice The flow through the sniffer line depends on the atmospheric pressure. If
operated at high altitude the flow through the sniffer line may drop
significantly (approx. 20% per 1000 m altitude). In this case, please adjust
the flow limits accordingly.
The
LOWER FLOW LIMIT can be set to values between 150 and 240 sccm. Default
value is 180. The
UPPER FLOW LIMIT can be varied between 300 and 650 with a factory
default value of 350.
Fig. 48 Setting up the contamination limit

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Inficon Protec P3000 Specifications

General IconGeneral
BrandInficon
ModelProtec P3000
CategoryController
LanguageEnglish

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