The CEL-62X

Wide Range Integrating

Real Time Analyzer


The CEL-62X Sound level meters are versatile, ruggedly constructed and very easy to use for a wide variety of applications. From basic area noise surveys in the workplace to product emission evaluation and environmental or nuisance noise complaint response, the CEL-62X product series offers a great combination of value and performance.


CEL-62X models are available to satisfy both ANSI Type 1 and Type 2 (IEC Class 1 and 2) accuracy classifications by the inclusion of the appropriate microphone. Industry standard half inch microphones give the CEL-62X series a single wide measurement range from 20 to 140 dB without the need to change settings. This greatly simplifies collection of results since it removes the guesswork involved in selecting the right range before starting the measurement.

Three models are available designated as ‘A’, ‘B’ and ‘C’ versions. These differ in the amount of detail they are able to display as far as the frequency content of the noise is concerned. ‘A’ version meters provide the overall broadband results with the A, C and Z (unweighted) channel for all measurements. B version meters add the ability to record 11 simultaneous octave bands from 16 Hz to 16 kHz while the C version models add 33 third octave band measurements from 12.5 Hz to 20 kHz.

A backlight function makes it easy to view the display even in very low light levels, can be activated by a simple button press and has a user selectable time-out function.

All the CEL-62X meters measure with the Slow, Fast, Impulse and Peak responses simultaneously and calculate the time average noise level with the 3, 4 and 5 dB exchange rates in every run. The maximum, minimum and time average noise levels are calculated and stored for all measurements with all the valid combinations of frequency weightings and time responses so that the user will always have a full picture of what happened without having to be concerned about the correct setup configuration to use for a specific measurement. Measurements can be paused to remove unwanted noises from a survey and up to 99 separate measurements can be saved into the memory of the meter for later download to computer.

All results are viewed on the high resolution quarter VGA LCD that uses color as an indicator to guide the new (or experienced) user through the measurement procedure. A backlight function allows viewing the meter display even in very low light levels and can be activated with a fixed timer or by a simple button press. Color bars at the top and bottom of the screen indicate to the user which mode the meter is currently in for clarity and ease of use. Red means the instrument is in standby mode, green means running and collecting data and blue shows recalled answers from the memory.

Calibration is extremely easy too and virtually foolproof. Simply place the calibrator over the microphone and switch on, the meter will recognize the tone and prompt the user to accept or decline the calibration. Press the accept button to acknowledge the calibrator signal and the meter adjusts to the correct level and stores the fact for inclusion in the following measurements. Pre and post measurement calibration can be carried out too.

Run results can be stored for later retrieval by the user using the integral high speed USB interface where the instrument is detected as if it were a standard memory card. Measurement files can be read directly as comma separated variable text files by many popular office programs such as Microsoft Excel or Word for inclusion into custom reports. An advanced plugin is available so tha the the CEL-62X series meters can be downloaded to the Casella Insight database management software where results from the sound level meter and CEL noise dosimeters can be integrated into a single comprehensive report for management use.

The CEL-62X meters can be powered from an external 12 Vdc source for extended measurements and an ac (or optional dc) output signal is available to feed other recording instruments if required.

Included in a CEL-62X instrument

  • CEL-62XWide range integrating sound level meter includes a set of 3 x AA batteries for up to 10 hours use, a wrist strap and a USB connection cable to computer. A calibration and conformance certificate is provided for all meters in the series.

Included in a CEL-62X instrument kit

  • The basicCEL-62X/K1 sound level meter kit includes the required meter (CEL-62X.A1 or 2CEL-62X.B1 or 2 orCEL-62X.C1 or 2 meter and microphone) plus a matching acoustic calibrator in a small foam lined kit case. Download of stored results would normally be carried out using standard office programs such as Excel.
  • The advancedCEL-62X/K2 kit includes the registration code for Casella Insight to enable download of stored results to the Insight Plugin for the CEL-62X series meters.