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CASELLA USA
CEL-240 DIGITAL SOUND LEVEL METER
FREQUENTLY ASKED QUESTIONS
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?
CEL-240
What are the characteristics of the dc signal?
What are the characteristics of the digital output?
"EZ does it"
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?
Casella USA
Page 1 of 6
(800) 366-2966
31 Jan 2008
Info@CasellaUSA.com
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Summary of Contents for Casella USA CEL 240 Series
- Page 1 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.
- Page 2 CASELLA USA CEL-240 DIGITAL SOUND LEVEL METER FREQUENTLY ASKED QUESTIONS FAQ’s: INTRODUCTION How does the instrument fit into the CEL range? CEL-200 Series The simplest meters in the CEL range remain the CEL-200 series including the existing CEL-231 and 254 models and now the new CEL-240. These 3 models are...
- Page 3 CASELLA USA CEL-240 DIGITAL SOUND LEVEL METER FREQUENTLY ASKED QUESTIONS FAQ’s: COMPARISON OF MODELS What models are there in the range? A single model variant is available – the CEL-240. It is a completely new design compared to the earlier CEL-231 & 254 models in the original 200 series.
- Page 4 CASELLA USA CEL-240 DIGITAL SOUND LEVEL METER FREQUENTLY ASKED QUESTIONS How quickly does the digital display update during measurements? The digital display shows samples of the continuous rms sound pressure level updated twice every second. This is a compromise between updating the display too quickly making it too difficult to see the readings and being too slow for the update routine in which case the display would appear very sluggish.
- Page 5 CASELLA USA CEL-240 DIGITAL SOUND LEVEL METER FREQUENTLY ASKED QUESTIONS FAQ’s: INSTRUMENT FUNCTION What measurement ranges does the CEL-240 cover? The CEL-240 is equipped with two measurement ranges each covering a 70 dB dynamic span. These ranges cover the overall levels from 30 to 100 dB on the low (Lo) range setting, and levels from 60 to 130 on the high (Hi) range setting.
- Page 6 For more details on the CEL-240 series, or any of the other Casella USA products, please contact Casella USA...