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Casella CEL-24X Digital Sound Level Meters

Choice of four meters to meet your workplace noise monitoring needs



Certifications/Compliance ANSI S1.4, IEC 616672 Type 2
Depth (English) 1.2 in.
Depth (Metric) 3.04cm
Hertz 1KHZ
Display Type LCD
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Products 2
Catalog Number Mfr. No. Humidity Range Includes Product Type Price Quantity & Availability  
Catalog Number Mfr. No. Humidity Range Includes Product Type Price Quantity & Availability  
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5 to 90% Foam windscreen, three AA batteries, wrist strap, meter CEL-240 Basic Digital Sound Meter
Each for $622.80
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30 to 90% Foam windscreen, three AA batteries, wrist strap, meter, single level acoustic calibrator, small kit case, USB cable to PC, dB24 software on a CD CEL-244 PC kit This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000. N/A


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.

Warranty and Services

24-month initial warranty against manufacturing defects



ANSI S1.4, IEC 616672 Type 2
8.3 in.
30 to 130dB
32° to 104°F
2 Years
1.2 in.
0° to 40°C
8.8 oz.
2.8 in.
Product Certifications
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