Casella CEL-633C Sound Level Meter TSI

Casella CEL-633C Sound Level Meter TSI

Model Number: CEL-633C1 – High-Performance Sound Level Meter with 1/1 and 1/3 Octave Band Analysis

Casella CEL-633C Sound Level Meter TSI is a premium-grade instrument built for professionals who require precision, versatility, and compliance in occupational and environmental noise measurement. Equipped with advanced 1/1 and 1/3 octave band analysis, this meter is ideal for assessing tonal noise and aiding in the selection of hearing protection, making it suitable for both industrial and environmental noise assessments. The CEL-633C fully complies with ISO9612 and OSHA regulations for workplace safety and environmental monitoring standards such as ISO1996 and BS4142.

With a user-friendly interface and robust design, the CEL-633C provides simultaneous measurement and storage of all key parameters including Leq, Lmax, and Lpeak. It features automatic calibration logging when used with the CEL-120 calibrator, allowing easy traceability via Casella Insight software. The color-coded interface and large display make operation intuitive and efficient.

Environmental capabilities include event-triggered data capture with audio recording and time-history data logging down to 10 ms resolution. The meter can store up to 60 hours of high-quality audio files, which can be played back through headphones or downloaded for detailed review. Data markers and back-erase options enhance post-measurement analysis.

Features and Benefits

• Real-time 1/1 and 1/3 octave band frequency analysis

• Simultaneous measurement and storage of all parameters

• 60 hours of audio recording for noise source identification

• Single wide-range measurement up to 140 dB

• Voice note feature for in-field annotation

• Data markers and back erase functionality

• Event-triggered recording with profile capture down to 10 ms

• USB connectivity for fast data transfer

• 2 GB internal memory for over a year of measurement storage

• Optional Class 1 or Class 2 precision microphone

• Removable preamplifier for easy servicing

• Long-lasting battery performance (over 10 hours on 3 AA batteries)

• Compliant with ANSI S1.4, IEC61672, ISO9612, OSHA, BS4142

• 2-year manufacturer warranty

Applications

Occupational Noise Monitoring

• Noise exposure assessment

• Hearing protection selection

• Compliance with OSHA 29CFR 1910.95

• Factory, plant, and industrial environment monitoring

Environmental Noise Monitoring

• Community and boundary noise measurement

• Noise nuisance investigations

• Construction noise (BS4142 and Section 61 compliance)

• Long-term unattended monitoring

Technical Specifications

• Model: CEL-633C1

• Frequency Analysis: 1/1 and 1/3 octave bands

• Measurement Range: Up to 140 dB

• Audio Storage: Up to 60 hours

• Data Logging Interval: As fast as 10 ms

• Memory: 2 GB internal

• Power: 3 AA batteries (approx. 10+ hours use)

• Interface: High-resolution display, USB port

• Calibration: Auto-recognition with CEL-120 calibrator

• Microphone: Class 1 or Class 2 (selectable)

• Software: Includes Insight Data Management Software

• Warranty: 2 years