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7-4. Parts replacement
<Replacement of Regular Replacement Parts>
Replace the regular replacement parts of the purity meter at recommended intervals.
List of recommended regular replacement parts
Item
Maintenance
intervals
Replacement
intervals
Quantity
(pieces
per unit)
Remarks
Handy aspirator
-
5 years
1
Sampling hose
1 year
5 years
1
Replacement interval assuming 2500 times
of attachment/detachment
Plug -
5
years
1
For GAS IN
Replacement interval assuming 2500 times
of attachment/detachment
Socket
1 year
5 years
1
For gas inlet
Replacement interval assuming 2500 times
of attachment/detachment
Alkaline battery
-
-
3
NOTE
The above replacement intervals are recommendation only. The intervals may change depending on
the operating conditions. These intervals do not mean the warranty periods either. The result of the
regular maintenance may determine when to replace the parts.
<Battery Replacement>
For battery replacement, see "4-2-1. How to replace the batteries".
