Casella 240 Series Sound Level Meter TSI

Casella 240 Series Sound Level Meter TSI

Model Number: CEL-240 – Compact Class 2 Noise Meter for Walk-Through Surveys and General Occupational Noise Monitoring

Casella 240 Series Sound Level Meter TSI is a compact, easy-to-use Class 2 sound measurement instrument designed for quick noise surveys and basic occupational noise assessments. Built for reliability and durability, the CEL-240 is fully compliant with IEC 61672 and ANSI S1.4 Class 2 standards. It is ideal for professionals needing accurate sound level readings in workplace environments, including product noise assessments, alarm testing, and routine safety checks.

The instrument features a high-resolution graphic display that shows real-time bar graphs or noise level history. With a simple two-button operation interface, users can easily navigate between measurement settings. Measurement modes include A or C frequency weightings, as well as fast, slow, or impulse time response settings. These allow for adaptable readings depending on the nature of the sound being measured.

Thanks to its rugged and ergonomic handheld design, the CEL-240 is well-suited for use in demanding field conditions. It is powered by three AA batteries, providing up to 35 hours of continuous operation. When paired with the CEL-120 acoustic calibrator, calibration information can be logged and verified.

Features and Benefits

• Compact and rugged handheld design for durability in various environments

• Fully compliant with IEC 61672 and ANSI S1.4 Class 2 standards

• Wide measurement range from 30 to 130 dB (RMS)

• A and C frequency weighting options

• Time weighting options: fast, slow, and impulse

• High-resolution graphical display for easy reading of bargraphs or time-history

• Two softkey button interface for intuitive operation

• Auto-save of setup preferences between uses

• Powered by 3 AA batteries with up to 35 hours of use

• USB output to PC available on CEL-246 model (optional)

• Compatible with CEL-120 calibrator for calibration logging

• Includes calibration certificate

• 2-year manufacturer warranty

Applications

• Walk-through noise assessments in industrial or construction zones

• General occupational noise monitoring

• Fire alarm and safety signal testing

• Machine or product noise verification

• Basic environmental noise evaluation

Technical Specifications

• Model: CEL-240

• Measurement Range: 30 – 130 dB RMS

• Frequency Weighting: A and C

• Time Weighting: Fast, Slow, Impulse

• Display: High-resolution graphical with bargraph/time-history

• Power Supply: 3 AA batteries

• Battery Life: Approximately 35 hours

• Interface: Two softkey button system

• Standards: IEC 61672 Class 2, ANSI S1.4

• USB Output: Optional (available in CEL-246 model)

• Calibration: Compatible with CEL-120 calibrator

• Warranty: 2 year