CASELLA USA
CEL-240 DIGITAL SOUND LEVEL METER
FREQUENTLY ASKED QUESTIONS
Casella USA
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(800) 366-2966
31 Jan 2008
CEL 240 Series
Digital Sound Level Meter
Frequently Asked Questions
Casella USA is proud to announce the CEL-240 sound level meter. These
FAQ’s help to give an overview of the current models, answer some of the
more typical questions that arise and describe how they fit into the overall CEL
product portfolio of noise measurement instruments.
INTRODUCTION
How does the instrument fit into the CEL range?
COMPARISON OF MODELS
What models are there in the range?
What are the main features & benefits of the CEL-240?
OPERATION
How long will standard alkaline batteries last in a CEL-240?
Can rechargeable batteries be used in a CEL-240?
How can the instrument be powered from an external source?
Can the microphone of a CEL-240 be removed?
Can the CEL-240 be used for outdoor measurements?
How quickly does the digital display update during measurements?
Is the time history trace stored in the CEL-240?
What outputs are available from the CEL-240?
What are the characteristics of the ac output?
What are the characteristics of the dc signal?
What are the characteristics of the digital output?
INSTRUMENT FUNCTIONS
What measurement ranges does the CEL-240 cover?
What results can be measured in a CEL-240?
What rms frequency weightings are available in the CEL-240?
What time weightings are available in the CEL-240?
What exchange rates or Q values are available in the CEL-240?
How do I calibrate the CEL-240?
ACCCURACY & RESULTS
What accuracy is the instrument designed to fulfil?
Are any results saved when using the SLM mode?
APPLICATIONS
What markets is the instrument designed for?
How are these markets catered for by the CEL-240?
CEL-240
“EZ does it”