Ideally suited to a wide range of industrial noise measurement applications. The 620 series sound level meters use the latest digital technology to give high standards of performance, in a compact design.


  • Time history storage (1s to 30min intervals)
  • Large 999 run memory
  • Voice notes (33 hours of audio storage)
  • GPS


  • Simultaneous measurement of all workplace noise parameters
  • Instrument menu in 9 languages
  • Simple operation
  • Long battery life
  • Real-time octave band analysis (‘B’ models)

Using a high resolution colour TFT display, the 620 series is specifically designed to ensure taking noise measurements is quick and easy with voice notes to save taking manual notes during measurements.

Different models are available depending on your requirements for use in general workplace noise measurements, up to full industrial hygiene requirements where octave band analysis is required for the effective selection of hearing protection.

CEL-620A2Integrating Digital Sound Level Meter (Class 2)
CEL-620B2Integrating Octave Band Sound Level Meter (Class 2)
CEL-620A1Precision Integrating Digital Sound Level Meter (Class 1)
CEL-620B1Precision Integrating Octave Band Sound Level Meter (Class 1)

All instruments and calibrators are provided with calibration certificates. The new 620 series sound level meter is also available as a complete kit which includes sound level meter, an acoustic calibrator (CEL-120), kit case, windshield, instruction manuals and USB a cable.

The 620 series was designed with ease of use in mind. The menu structure is designed to pick up and use without the use of a manual. A simple icon structure is used with word prompts for each selection, available in nine languages.