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ELTRA ELEMENTRAC ONHp2 User Manual

ELTRA ELEMENTRAC ONHp2
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Maintenance
51
10 Maintenance
10.1 Overview of the maintenance work
The following maintenance instructions refer to standard steel analyses with the ONH-p 2 for 25
to 50 samples per day and 99.995% pure carrier gas. Depending on the application, the
maintenance cycle must be intensified in order to maintain the precision of the analysis results.
The following table lists the maintenance work to be carried out. The maintenance work must be
carried out on a regular basis at the specified maintenance interval or as soon as the number of
possible analyses has been reached:
Component
Number of
analyses
Maintenance
interval
Maintenance
instructions
See Section
Inlet gas cleaning
system
1000
Monthly
If clumping is
evident, it must be
replaced earlier.
Fill the reagent tube
for the inlet gas
cleaning system
Magnesium
perchlorate
(Filter by catalyst
furnace)
1000
Monthly
If clumping is
evident, it must be
replaced earlier.
Catalyst
10000
Semi-annually
Replace, if oxygen
levels drop and
nitrogen levels rise
at the same time
Fill the reagent tube
of the catalyst
furnace
Glass wool (dust filter
behind the furnace)
250
Weekly
Replace glass wool
Metal filter behind glass
wool
1000
Monthly
Replace and clean
in an ultrasonic bath
Connection of glass
wool filter, furnace area
250
Weekly
Remove dust from
the connection with
a brush/pipe cleaner
Anhydrone / NaOH filter
in front of the TC cell
150
Weekly
Replace chemicals
Contactors reagent
250
Monthly
Replace chemicals
Replacing of graphite tip
500
Monthly
Replacing
Removal/cleaning of the
upper electrode
500
Monthly
Removal and
cleaning
Replacing of upper
electrode
5000
Semi-annually
Replacing of upper
electrode
Replace upper
electrode

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ELTRA ELEMENTRAC ONHp2 Specifications

General IconGeneral
BrandELTRA
ModelELEMENTRAC ONHp2
CategoryMeasuring Instruments
LanguageEnglish

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