Series 4 Operating Manual - Nebula
Issue 1.00
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Lightly soiled filters may be cleaned following the guidelines below. Clean the filter
or fit a replacement filter element if heavily soiled.
•
Re-assemble the filter cap to the analyser using the reverse procedure and
reconnect the sample line.
New filter elements are available from Signal with part number FILT/023.
NOTE: If you did not purchase a spares kit with the analyser, consider purchasing one now.
Several kits are available which contain items that you will find useful in your servicing and
maintenance schedules.
Cleaning
The preferred cleaning method is to immerse the filter in an ultrasonic bath containing a
solution of 1 part ‘Ardrox® 6333’ to 4 parts water at a temperature of 70ºC for a period of 10
minutes or until all surface particles are removed.
Ardrox® is a registered trademark of Chemetall GmbH and is available from them or their
distributors. It is an aqueous based liquid concentrate comprising a blend of alkali builders,
sequestrants, corrosion inhibitors and biodegradable surfactants.
ARDROX
Appearance
Pale, yellow liquid
Density
1.07 g/ml at 20ºC
Flash Point
Non-flammable
pH
12.3
Storage requirements
Protect from freezing conditions
Table 6 : Ardrox Information
