Casella CEL Software for the Tuff sampling pumps - Manual (Page 4)

CAUTIONS:
The TUFF TM series of air sampling pumps are designed to be robust, however they
should not be dropped or subjected to mechanical shock. Do not suck in water, or
highly saturated or corrosive gases. Failure to comply will render the warranty invalid.
The air sampling pumps contain no user serviceable parts and if a fault is suspected
the instrument must be returned immediately to Casella CEL or to a Casella CEL
Approved Agency for repair.
The warranty does not extend to cleaning or general servicing of the instrument.
Pumps which are not in regular use, or those which have been left on the shelf for
several days, when switched on, may not display a true indication of the current battery
charge status.
To ensure accurate battery condition monitoring and charge status displays, it is
advisable to fully charge the pumps before use.
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Casella CEL Limited 4