Casella CEL-490 Sound & Noise Level Meter
Casella CEL

Casella CEL-490 Sound & Noise Level Meter

Pine Item #54500

The Casella CEL-490 sound level meter is the perfect rental solution for environmental noise applications. The CEL-490 noise analyzer allows Broadband, octave and 1/3 octave monitoring in addition to a dynamic 140 dB measurement range. The 2Mb onboard memory stores time history as well as the measured parameters. Typical applications include boundary noise monitoring, impact assessments, sound pressure monitoring, transport noise studies and sound power determination making this the ideal sound level meter for your rental and hire solution.

This product is has an optional Environmental Kit Case. Casella CEL's 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. The system is completely stand-alone, with the internal battery lasting up to 10 days. The microphone is covered by an acoustically transparent rain shield that also prevents noise measurements being effected by wind noise - attached as related item on right.

Features:

Single 140dB measurement range no need for range selection

Compliant with latest IEC 61672 standard

Time history profiles for built-in graphic level recording

Available in both Class 1 and Class 2 accuracy grades

Environmental kit casing avaiilable

Real-time frequency analysis in octave and one-third octave

Easy to use menu with user definable configurations

Choice of broadband only octave or one-third octave instruments

Firmware and software upgradeable

Clear backlit screen

Large 2Mb memory capable of storing over 800000 data points

Comprehensive software package with graphical reporting graphing & analysis functions

Fast storage of noise time history down to 10ms

Applications:

Single 140dB measurement range no need for range selection

Compliant with latest IEC 61672 standard

Time history profiles for built-in graphic level recording

Available in both Class 1 and Class 2 accuracy grades

Environmental kit casing avaiilable

Real-time frequency analysis in octave and one-third octave

Easy to use menu with user definable configurations

Choice of broadband only octave or one-third octave instruments

Firmware and software upgradeable

Clear backlit screen

Large 2Mb memory capable of storing over 800000 data points

Comprehensive software package with graphical reporting graphing & analysis functions

Fast storage of noise time history down to 10ms

Quantity must be 1 or more
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Specifications

Technical Specifications

Internal Power Supply4 off AA alkaline cells ( 15 hours typical max battery life for broadband 12 hours typical for narrow band measurements )
External power Supply12 V dc 150 mA nominal via 2.1 mm power connector
LCD screen display128 x 64 pixel monochrome backlit display with icon indicators
Screen LanguagesEnglish French German Italian Spanish menu selectable.
Baud rate for digital transfer8 settings from 9600 to 115200 baud
Memory storage capability2 Mbytres ( 800000 data points ) 25000 full octave spectra
Digital OutputDownload or remote control of operations of meter via dB23 software
Microphone detailsCEL-250 precision electret capsule for type 1 models CEL-485 combined electret microphone and preamplifier for type 2 models
Broadband frequency weightingsA' 'C' and 'Z' (linear un-weighted all-pass level)
Frequency response (Hz)6.3 Hz for -3 dB down points
Acoustic accurarcyANSI S1.4 (R1997) type 1 and type 2 IEC 61672:2002 IEC 60651 : 1994 IEC 60804 : 2000 IEC 61260 : Class 0
Octave Band Center frequencies11 simultaneous bands with center frequencies with center frequencies 16 Hz to 16 kHz
Third octave band frequencies33 simultaneous bands with center frequencies 12.5 Hz to 20 kHz
Dynamic range for calculations140 dB
Maxium noise level (dB)140 Db rms 143 dB peak ( with standard 50 mV/Pa CEL-250 mic)
DSP sampling rate (Hz)67200 Hz sampling with true rms weighting 23.4 'Z' weighted
Resolution (dB)0.1 dB across whole range

Dimension

USMetric
Dimensions13.4 x 4 x 1.5 in340 x 100 x 40 mm

Weight

USMetric
Weight19.3 oz550 gm

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