Casella CEL-240 Type 2 Sound Level Meter

£317.00 ex. VAT

The Casella CEL-240 Sound Level Meter is the ideal survey tool for Noise at Work Applications and general noise measurements such as walk-through surveys, spot checks on machinery or the testing of fire alarms.

By implementing the latest digital technology, the CEL-240 gives excellent repeatability whilst housed in a ruggedly secure and compact design. It is a cost effective meter with excellent features, including a high resolution display giving a time-history of noise levels.  Set the CEL-240 up with the parameters you require and they will be retained in the memory for your next survey.


Casella CEL-240 Key Features

  • Fully compliant with IEC 61672 2002 class 2; IEC 60651 type 2 (1979)
  • 30 – 130dB RMS measurement range
  • A and C weighted sound levels
  • Selectable Fast, slow or impulse time weighting
  • 2 key operation for intuitive ease of use
  • Simultaneous display of instantaneous and maximum sound pressure level measurement
  • Bargraph or graphical time-history display of noise levels, allowing an easy assessment of the current noise environment.
  • Maximum hold function
  • Easy calibration, the CEL-240 automatically recognises the application of a calibrator and with a single key press adjusts the calibration
  • USB output to PC
  • AC output provided for DAT tape / PC wav file recording or headphone applications.
  • dB24 software (available separately) to log the history of noise levels over a desired time period to a PC


Technical Data

Applicable Standards IEC 61672-1 2002-5 class 2; IEC 60651 type 2 (1979); ANSI S1.4 Type 2A (1983)
Measurement Range 30 – 130dB RMS
Selectable Ranges 30-100 or 60-130dB
Display 128×128 Mono Graphics LCD, 0.5 seconds update rate.
Total noise floor <33dB(A)
Time weightings Fast, Slow and Impulse
Frequency Weightings A and C
Microphone ½ inch electret capsule
AC output (2.5mm stereo jack socket) Approx 0.5V RMS Full Scale Deflection (FSD) ’A’ weighted output on selected range. Minimum load impedance 22kΩ.
Dimensions and weight 72 x 212 x 31mm: 245g inc batteries
Batteries 3 off AA alkaline (supplied) or rechargeable NiMH cells
External Power 5V via USB 2.0 mini socket type B
Tripod Mount ¼ inch Whitworth socket


This sound level meter is supplied with

  • Windshield
  • Calibration Certificate
  • 3x AA Batteries
  • 2 years manufacturer’s warranty

We also have the TENMA Sound Level Meter available.

You can find the manufacturer data sheet here.

This product is supplied with a 12 month calibration certificate.

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