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CEL633A Environmental Sound Level Meter

cel633 environmental sound meter
CEL633A Sound Level Meter


The CEL633A Environmental Sound Level Meter is available on its own or with a selection of accessories. The standard CEL633A1 meter satisfies the needs of most environmental noise surveys.

  • Type 1 or Type 2? - Regulations will usually state which you need
  • Accessories? - Calibrator is often essential, carrying case is useful.
  • Insight Software? - Makes download and analysis more convenient


Sound Level Calibrator

sound level calibrator

The most important of the accessories is the Calibrator. Most regulations state that you should use one to check the function of the meter before making any measurements.

Type 1 or Type 2 Sound Level Meter?

A Type 1 sound level meter is a little more accurate than a Type 2 model. Many environmental noise regulations, and the authorities controlling them, demand the use of a Type 1 sound level meter for this type of application. Check with your regulations first. If you have any doubts then a Type 1 meter is the safer option, as you are not left explaining why you used the less accurate model. If in doubt, contact us on for advice.

Insight Software

The CEL633A is a data logging meter that does not require any additional software - when plugged into a computer running the free CasellaDrive software it acts like a memory card. You can manually copy the data to your computer or load it into a spreadsheet program using a small conversion application. However, the Insight software makes this process more convenient, links the measurements to person, place or process, and presents the results graphically.

We recommend the Insight software with the CEL633 if you are going to take advantage of the Time History store. In these cases processing the large amounts of data in a spreadsheet can be rather time consuming.

High Level Microphone - 165dB

For some applications with extremely high noise levels, such as weapons testing, firing ranges and controlled explosions, the standard upper limit of 140dB may not be adequate. In this case we have a 1/4" High Range microphone that extends the measurement limit to 165dB.

Please see the High Range Microphone page for more information.

Order Codes

Sound Level Meter    
CEL633A1 - Type 1 Integrating Sound Level Meter $4256.00  
CEL633A2 - Type 2 Integrating Sound Level Meter $3239.00  
The Calibrator is available as Type 1 or Type 2, usually to match the class of the meter:    
CEL120/1 Type 1 Sound Level Calibrator $987.00  
CEL120/2 Type 2 Sound Level Calibrator $483.00  
ISC020 Insight Software $555.00  
CEL6840 Carrying Case for CEL633 Sound Level Meter, Calibrator and accessories $141.00  
PELI-SLM Tough Peli Carrying Case for Sound Level Meter, Calibrator and accessories $348.00  
PC18 AC Power Adapter for the CEL633 Sound Level Meter $62.00  


Type 1 Environmental Sound Level Meter
In stock
Kit with Meter, Calibrator and Case
In stock


Weekly Rental
Environmental noise kit with Sound Level Meter and Calibrator
More pricing information

CEL63x Range

Occupational Noise
From $2790.00
Occupational Octave
From $3689.00
Occupational 1/3 Octave
From $5147.00
Environmental Noise
From $4256.00
Environmental Octave
From $5153.00
Environmental 1/3 Octave
From $6612.00
noise at work sound level meter

Outdoor Kit

For measuring in poor weather conditions

More details...

How to Buy

Credit Card
Click the button or call 888-206-4377.

Purchase Order
Or by fax: 888-584-2230.

Information Request

Prices and Ordering

The Type 1 sound level meter is available alone or as part of a Kit, which includes Meter, Calibrator and Peli Carrying Case.

Order Code
Price (CAD)
Type 1 / Class 1 Advanced Integrating Sound Level Meter
In stock
Kit with CEL633A1 Sound Level Meter, Calibrator, Windshield, Peli Case
In stock
Insight Software for CEL620, CEL630 and dBadge
In stock


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