Heath Consultants GT Series - Manual (Page 23)

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OPERATING PROCEDURE
OPERATING PROCEDURE
Check the following:
• The instrument is clean and in good condition.
• The batteries are in good condition, fully charged
and fitted correctly.
• The hydrophobic filter is clean and in good condi-
tion.
• 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 sufficient
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 / flow fault when
inlet is blocked (with a finger for example). If fault
is not displayed, check tightness of all fittings.
• After use, allow the instrument to run for 1 – 2
minutes in fresh air before switching the instru-
ment OFF.
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