Casella CEL-633A Sound Level Meter TSI

Casella CEL-633A Sound Level Meter TSI

Model Number: CEL-633A1 | Precision Instrument for Occupational and Environmental Noise Monitoring

Casella CEL-633A Sound Level Meter TSI is a powerful and versatile device engineered for detailed occupational and environmental noise measurements. Fully compliant with ISO9612 and OSHA standards, this instrument is ideal for professionals in industrial hygiene, health and safety, construction, and environmental compliance.

The CEL-633A combines a simple user interface with comprehensive functionality, making it suitable for both routine workplace assessments and complex environmental surveys. It supports simultaneous storage of all noise parameters, reducing the risk of incomplete or inaccurate data. Users can choose between simplified or full data displays based on the measurement task.

This model features built-in datalogging, voice notes, and up to 60 hours of audio recording for effective noise source identification. It also supports statistical noise data (Ln%) for broadband analysis, helping to identify patterns or significant noise events in environmental settings. Markers and back-erase tools provide additional control over captured data.

Features

• Simultaneous measurement and storage of all key noise parameters

• 1-second to 10 ms event data resolution for transient noise analysis

• Pre-configured setups for workplace and environmental noise assessments

• Real-time audio and statistical data (Ln%) recording

• Up to 60 hours of audio storage for source identification

• Data markers, back erase function, and voice note annotation

• Triggered event logging for unattended monitoring

• Class 1 or Class 2 microphone options

• Single measurement range up to 140 dB

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

• Powered by 3 AA batteries, providing over 10 hours of use

• Removable preamplifier for easy transport and calibration

• USB interface for PC connection

• Calibration certificate included

• Compatible with Casella Insight data management software

Applications

Occupational Noise

• Workplace noise surveys according to ISO9612 and OSHA 29CFR 1910.95

• Daily noise exposure calculations

• Hearing protection selection and validation

• Long-term health and safety compliance

Environmental Noise

• Boundary and community noise monitoring

• Noise nuisance investigation and documentation

• Construction noise under BS4142, ISO1996, or Section 61 compliance

• Remote monitoring and automated event capture

Specifications

• Model: CEL-633A1

• Memory: 2 GB (over 1 year of data storage)

• Measurement range: Up to 140 dB

• Audio recording: Up to 60 hours

• Event resolution: As fine as 10 milliseconds

• Display: High-resolution, user-configurable

• Battery: 3 x AA (10+ hours typical)

• Connectivity: USB to PC

• Calibration: CEL-120 compatible with auto timestamp logging

• Warranty: 2 years