22 DF-150E Options
7.4 Filter
The Gas Sample Particle Filter is mounted externally and upstream of the
sensor. The following filter elements can be purchased from Servomex.
Filter Element Part Number
Fine grade (BQ) (< 1 micron) 64005012
Standard grade (DQ) (> 1 micron) 64005011
Table 3: Particle Filters
The life of the filter element is dependent upon the nature of the sample gas.
Therefore, it is difficult to recommend a filter element replacement frequency.
Servomex recommends to check the filter condition every several weeks
initially until the demands of the application can be determined and a filter
element replacement frequency can be established.
Figure 10: Filter Installation
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