Casella CEL Sensus data logger unit - Manual (Page 3)

WARNINGS !
The SENSUS Logger contains no user serviceable
components. If an electrical fault is suspected the
instrument must be returned to Casella CEL Ltd for repair.
The Logger should not be dropped or subjected to
mechanical shock. Failure to comply will render the
warranty invalid.
The warranty DOES NOT extend to cleaning or general
servicing of the instrument.
Warnings SENSUS Digital Data Logger -
Users Handbook
Page 3 of 44