Casella CEL 24X Sound Level Meters

  • Simple operation for quick and easy sound measurements.
  • Two selectable measurement ranges, 30-100 or 60-130 dB.
  • Meets ANSI S1.4 and IEC 61672 class 2 (IEC 60651 where appropriate) standards.
  • Easy to calibrate on site with 120 series field calibrator.
  • Datalogging models available

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.

Model Selection CEL-240 CEL-246
Instantaneous and maximum levels
Logging of 1s levels*  
Selectable logging interval of 1-10s*  
Averaging (Leq or Lavg)  
Compliance with ANSI S1.4, IEC 61672, 60651
Compliance with ANSI S1.43, IEC 60804  
* requires dB24 software to access data stored on CEL-246 model

P65 Warning

Selectable Ranges 30-100 or 60-130 dB
Noise Floor < 33 dB (A)
Time Weightings Fast, Slow and Impulse
Frequency Weightings A and C
Weight 245g including batteries
Dimensions 72 x 212 x 31 mm
Batteries 3x AA Alkaline or rechargeable
Battery Life Greater than 35 hours
External Power 5V via USB 2.0 'Mini B' socket
Tripod Mount 1/4" Whitworth socket
AC output 0.85V RMS @ FSD 'A' weighted (Optional 0 - 1.3V DC instead of AC can be specified when ordering)
Operating conditions
  • Relative Humidity: 5 to 90% (non condensing)
  • Temperature: 0 to 40 °C
  • Atmospheric Pressure: 65 to 108 kPa