Products > Occupational Health & Safety > Sound Level Meters


CEL-63x Series

63X Sound Level Meter Series

The 63x Series sound level meters can be used for simultaneous measurement of all workplace noise parameters, as well as those required for environmental monitoring. With an intuitive design the meter is easy to use, with very little set up required.

The 63x Series sound level meters can easily be calibrated on site without delay or interruption using the 120 Series Calibrator.

Key Features

  • Easy to use switch-on-and-go functionality
  • Voice notes to annotate measurements
  • Single  noisemeasurement range up to 140dB, no range adjustment required
  • Data markers, back erase function and audio recording  (WAV)
  • Level triggered events for transient measurements
  • Real-time octave & 1/3 octave measurements (‘B’ & ‘C’ Models)
  • Meets  IEC 61672 and IEC 60651  and ANSI S1.4, Class 1 or 2 (depending upon model) meaning full compliance
  • 2GB memory for more than 1 year of data storage
  • Removable pre-amplifier
  • Environmental outdoor kit available

Industry Applications

• Occupational Noise Measurement
• Workplace noise assessments according to ISO9612 and OSHA CFR 1910.95
• Selection of hearing protection
• Calculation of noise exposure
• Ensuring compliance with workplace noise legislation
• Environmental Noise Measurement
• Boundary noise assessments
• Noise nuisance complaints
• Measurements according to ISO1996, BS4142
• UK Construction Section 61 notices

Cat No. Description
CEL-633A2/K1 Logging Environmental Sound Level Meter Class 2 Kit, Measurement kits come complete with the relevant instrument, executive kit case (196030C), acoustic calibrator, windshield, USB download cable, Insight data management software, batteries and calibration certificate
CEL-633B2/K1 Logging Environmental Octave Band Sound Level Meter Class 2
CEL-633C2/K1 Logging Environmental 1/3 Octave Band Sound Level Meter Class 2 Kit
CEL-633A1/K1 Logging Environmental Sound Level Meter Class 1 Kit
CEL-633B1/K1 Logging Environmental Octave Band Sound Level Meter Class 1 Kit
CEL-633C1/K1 Logging Environmental 1/3 Octave Band Sound Level Meter Class 1


CEL-62x Series

63X Sound Level Meter Series

The 62x Series sound level meters can be used for simultaneous measurement of all workplace noise parameters.  The instrument uses an intuitive, colour coded display to ensure ease of use.

The 62x Series sound level meters can easily be calibrated on site without delay or interruption using the 120 Series Calibrator.

Key Features

  • Compact, rugged sound level meter design to suit industrial environments
  • Simple operation for quick and easy noise measurements
  • Generate reports with the Casella Noiseapp
  • Meets  IEC 61672 and IEC 60651  and ANSI S1.4, class 1 or 2 (depending upon model) meaning full compliance
  • Single large measurement range
  • Large memory stores multiple measurements
  • Pre-defined and user configurations available
  • Automatic calibration function simplifies use
  • Long battery life

Industry Applications

  • Occupational Noise Measurement
  • Workplace noise assessment
  • Selection of hearing protection
  • Calculation of noise exposure
  • Ensures compliance with workplace noise legislation e.g. EU, OSHA and ACGIH
  • Machinery noise tests


Cat No. Description
CEL-620A2 Integrating Digital Sound Level Meter (Class 2)
CEL-620B2 Integrating Octave Band Sound Level Meter (Class 2)
CEL-620A1 Precision Integrating Digital Sound Level Meter (Class 1)
CEL-620B1 Precision Integrating Octave Band Sound Level Meter (Class 1)
CEL-120/2 Acoustic calibrator for class 2 meters with 1/2" microphone


CEL-24x Series

24X Sound Level Meter Series

A simple survey instrument such as the 24x Series Sound Level Meter is ideal for general noise measurements like walk through surveys, spot checks on machinery or testing of fire alarms. Using the latest digital technology the sound level meter is able to give the highest levels of accuracy and performance.

The 24x Series Sound Level Meter can easily be calibrated on site without delay or interruption using the 120 Series Calibrator.

Key Features

  • Simple operation for quick and easy measurements
  • Rugged design to suit industrial environments
  • Meets  IEC 61672 class 2  (IEC 60651 where appropriate) and ANSI S1.4, meaning full compliance
  • Greater than 35 hours battery life
  • USB output allows stored data to be viewed via a PC

Industry Applications

  • Occupational noise assessments
  • Product noise testing
  • Fire alarm testing
  • Simple walk through noise surveys
  • Machinery spot checks


Cat No. Description
CEL-240 Digital Sound Level Meter (Class 2)
CEL-246 Logging Digital Integrating Sound Level Meter (Class 2)
CEL-120/2 Acoustic calibrator for class 2 meters with 1/2" microphone