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Casella CEL-24X Digital Sound Level Meters DFS Item

Choice of four meters to meet your workplace noise monitoring needs

Supplier:  Casella CWL242K2

 View more versions of this product

Catalog No. 19-979-636

Includes: All meters are supplied with a foam windscreen, three AA batteries and wrist strap. Standard Kits also include calibrator, case. PC Kits include all items in Standard Kit plus a USB cable to PC and dB24 software on a CD.



All meters in the series have a low and high measurement range that covers a full 70dB on each range. With the A and C frequency scales and the S, F and I time response these meters can be used to assess hearing protectors using the NRR method.

  • Simple two-button operation
  • Wide range from 30 to 130dB
  • Large graphic LCD screen
  • Slow, Fast and Impulse time weightings
  • Current and highest noise level shown in display
  • Large numeric and analog bar graph display
  • Output to a PC for simple datalogging
  • Auto calibration at either 114 or 94 1 kHz decibel level
  • Scrolling sound level display for last 1 or 5 minutes
  • Non-decaying maximum hold captures and displays the highest sound pressure level of any noise until reset
  • Runs for up to 35 hours on batteries
  • Time averaging with Q3 and Q5 exchange rates (244 and 246 models only)
  • Datalogging memory up to 100 runs with over 400,000 results stored (242 and 246 models only)

The CEL-24X series includes two basic and two integrating digital sound meters:
Basic Digital Sound Models

  • CEL-240 is the basic Type 2 sound level meter
  • CEL-242 adds datalogging capability to the basic Type 2 sound level meter
Integrating Digital Sound Models
  • Feature time average value Leq or Lavg and Q=3 or 5 exchange rate
  • CEL-244 is the integrating Type 2 sound level meter
  • CEL-246 adds datalogging capability to the integrating Type 2 sound level meter

Order Info

Dimensions (W x H x D): 2.8 x 8.3 x 1.2 in. (7.1 x 21.1 x 3.0cm). Weight (with batteries): 8.8 oz. (250g).


Each meter is supplied with an initial individual calibration and conformance certificate.


All meters meet ANSI™ S1.4 and IEC 616672 Type 2 accuracy standards. The integrating models also meet ANSI S1.43 accuracy standards.


24-month initial warranty against manufacturing defects



ANSI S1.4, IEC 616672 Type 2, ANSI S1.43
3.04 cm
8.3 in.
30% to 90% (Non-Condensing)
30 to 130 dB
32°F to 104°F
2 year
249.47 g
7.11 cm
1.2 in.
CEL-242 PC kit
1 KHz
21.08 cm
Foam windscreen, three AA batteries, wrist strap, meter, USB cable to PC and dB24 software on a CD
<33 dB
0°C to 40°C
8.8 oz.
2.8 in.