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CEL 300 Series Sound Level Meter/Noise Dosimeter

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» Casella CEL 360 Series Convertible Noise Dosimeter/Sound Level Meter


The CEL-300 Series Convertible Noise Dosimeters are the last word in simplicity and ease of use. Two models provide all the necessary functions of fully featured instruments with many user enhancements that help both the new user and the long-term user. Just fit the battery, choose the microphone style, switch on the instrument and you are ready to start recording.

Select the recording method from a list of pre-programmed setups and off you go. The instrument takes care of all the settings for you so no need to worry about getting it wrong. It couldn't be easier, press the Start button on the keypad and the measurement will begin straight away. Of course if you need to customize the instrument then the included software will intuitively guide you through the process and your new settings will be uploaded and remembered for the next time too.

The CEL-360 covers three measurement ranges from 30 to 140 dB to ANSI type 2 specifications. Choose from A or C frequency weightings and Slow, Fast or Impulse time weightings.. Select Q as 4, 5 or 6 for dose measurements. Overall results for the maximum, minimum and average noise levels are saved together with the ability to set two threshold cutoff levels and a single criterion level for all noise dose calculations. Begin recording immediately or with the CEL-360 set a delayed start and stop time up to a month in advance for the instrument to record automatically.The CEL-360 is also a logging instrument that will store up to 10 key noise parameters to show the changes that occurred during the run to find out when the noise was highest. This is invaluable for planning a noise control policy or before undertaking potentially costly noise reduction work.

A choice of microphones allows the instruments to be used as conventional personal noise dosimeters or as small hand held sound level meters ideal for community noise measurements as well as noise in the workplace.New Windows™ software completes the package for both instruments. The CEL-360 comes with the more advanced dB12 software as standard. This package is a full 32 bit program that will run on the latest versions of the popular MS Windows™ operating system for IBM compatible PC's. The software will allow previous recordings from the earlier CEL-420 and CEL-460 noise dosimeters to be opened and viewed so that earlier recordings can still be used and analyzed.

 

Key Benefits

- Switch on and record in less than 5 minutes
- Store over 1 month's worth of measurements
- Standard setups for guaranteed compliance
- Customized setups for special tasks
- Large time history memory in CEL-360
- Direct printout
- Windows software for control and download
- Convertible between dosimeter and sound meter

Casella CEL-320S sound meter

CEL-360 sound meter with stalk microphone

Casella CEL-360 Dosimeter

 

 

CEL-360 dosimeter with cable microphone

TECHNICAL SPECIFICATIONS

CEL-360 Noise Dosimeters and CEL-360S Sound Level Meters

International Standards

Accuracy standards - Dosimeter ANSI S1.25 - 1992.IEC1252: 1993 BS EN 61252.
Accuracy standards - Sound level meter ANSI S1.4 - 1983 Type S(2),*ANSI S1.43 - 1997*IEC-651: 1979 (EN 60651) Type 2I,*IEC-804: 1985 (EN 60804) Type 2,
Electro-magnetic standards EN 50081-1:1992, EN 50081-2: 1993EN 50082-1:1992, EN 50082-2: 1995

* over temperature range 32°F - 104°F (0°C - 40°C)

 
CEL-360

Maximum number of measurement runs

50

Number of pre-configured Set-Ups

7

Number of user configured Set-Ups

13

Threshold levels (dB) 70 to 90 dB in 1 dB steps

2

Criterion level (dB) 80 to 90 dB in 1 dB steps

1

Variable time for daily noise exposure level

00:00 - 23:59

Dosimeter microphone CEL-6681 ¼" electret microphone with clip, on 32in (0.8 m) plug-in cable.
Sound level meter microphone CEL-425 ¼" electret microphone on 3in (75 mm) stalk.
Windscreen for microphone protection Both microphones may be used with CEL-6225 Windshield that has no measurable effect on acoustic performance between 31.5 Hz - 8 kHz.
Frequency weightings A, C, linear 20 Hz - 20 kHz.
Time weightings Fast, Slow, Impulse, Peak.
Amplitude weightings (Q) 3, 4, 5, 6 dB exchange rates.
Displayed information Lp, LAeq, LAE, LeqI, Lav, Lmx, Lmn, Lpeak, 5 x Ln%, %DOSE1, projected %DOSE1, %DOSE2, projected %DOSE2, TWA, LEP,d, TWA,v, LEP,v, Duration, Date, Time, Run #, Wait, Pause, Battery state.
Battery Duracell MN 1604 (9 V), Approximately 40 hours lifetime.
Physical (excluding microphone) 4.8 x 2.6 x 1.2 in, 11 oz. (120 x 65 x 30 mm, 300 g),

Extra features in CEL-360 and 360S only

Profile memory size >220,000 data points
Profiles per period 10 max
Profile intervals 1, 2, 5, 10, 15, 20, 30 s 1, 2, 5, 10, 15, 20, 30 60 m
Fixed duration timers 5, 10, 15, 30 m 1, 2, 4, 8, 10, 12 24 h

Delay start and stop timers with 16 pairs
settable to the nearest minute

Up to 31 d 23 h 59 m in advance
Number of repeats Up to 49 times
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