With intuitive 2 key operation, the CEL-240
is an easy to use instrument designed to
undertake noise measurements for a variety
There are two main products within the CEL-400 series range, the CEL-450 and CEL-490. The primary role of the
CEL-450 model is an occupational hygiene instrument.The main role of the CEL-490 is as an environmental instrument.
Casella CEL’s 450/490 environmental system is
designed to give protection from the elements for
medium or long term unattended monitoring.
Whether simple or in-depth measurements are
required, an appropriate meter from the CEL-450/
490 range can be selected for the application.