3-1
OPERATING PROCEDURE
Check the following:
• The instrument is clean and in good condition.
• The batteries are in good condition, fully charged and tted
correctly.
• The hydrophobic lter is clean and in good condition.
• The sample line and any other accessories used are in good
condition.
• The ‘clear bulb’ at probe end is screwed tightly.
• Switch instrument ON in fresh air.
• The battery indication provides sufcient capacity for the
operation.
• The instrument is within the calibration period you have
decided is necessary for your application.
• All applicable ranges are operational.
• There are no fault indications.
• Attach optional accessories, as required.
• The instrument displays a sample / ow fault when inlet is
blocked (with a nger for example). If fault is not displayed,
check tightness of all ttings.
• After use, allow the instrument to run for 1 – 2 minutes in
fresh air before switching the instrument OFF.
3
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