Sound Level Meter
A sound level meter is used for acoustic (sound that travels through air) measurements. It is commonly a hand-held instrument with a microphone
The CEL-62x Series of Integrating Digital Sound Level meters can be used for the measurement of all workplace noise parameters to comply with workplace noise legislation, e.g. EU, OSHA and ACGIH. Choose a CEL-62x Series model to suit your requirements, either with a Class 1 or Class 2 Microphone for precision, and with or without Octave Band analysis, to aid you in the choice of hearing protection.
Simply connect your CEL-62x to a PC via the USB connection and the data can be easily reviewed without the need for proprietary software. The instrument has a single large measurement range of 20-140dB meaning that you don’t need to change range. Time history of the broadband noise level is displayed in real-time, so a user can see how the noise level varies with time.
Key Features
- Compact, rugged design
- Simple operation
- Single large measurement range
- Large memory
- High resolution colour display
- Real-time octave band analysis (‘B’ models)
- Simultaneous measurement of all workplace noise parameters
- Instrument menu in 9 languages
- Pre-defined and user configurations available
- Automatic calibration function
- Long battery life
The CEL-63x Series of sound level meters are the most versatile of meters available; ideal for both noise at work applications (ISO9612, OSHA) and environmental measurements (BS4142). Ensure compliance with workplace noise legislation with the CEL-633 and to assist with the selection of hearing protection. For environmental noise monitoring, the CEL-633 can be used for boundary noise assessment, noise nuisance complaints or in the construction industry, section 61 notices.
Key Features:
- Easy to use switch-on-and-go functionality
- Ideal for environmental or occupational monitoring
- Latest digital technology with a high-resolution colour TFT display
- Pre-configured setups for occupational and environmental measurements
- Voice notes to annotate measurements
- Audio (WAV) recording
- Single measurement range up to 140dB, no range adjustment required
- Data markers, back erase function and audio recording
- Level triggered events for transient measurements
- Real-time octave & 1/3 octave measurements • Simultaneous measurement of all parameters with all frequency and time weightings
- Class 1 or Class 2 models available
- 2GB memory for more than 1 year of data storage
- Removable pre-amp
- Environmental outdoor kit available
Acoustic Calibrator
The Casella 120 Acoustic Calibrator is the smallest of its type in the world: with a rugged, over-moulded design for use in field environments.
The field calibration of Sound Level Meters is an essential procedure when carrying out any type of noise survey as it ensures that instruments are providing consistently accurate readings necessary for monitoring to ensure compliance with workplace and environmental noise regulations. The 120 is therefore designed and manufactured to comply with the requirements of IEC 60942: 2003 and ANSI S1.40: 2006.
Casella Insight Data Management Software
Casella Insight data management software is a powerful yet simple tool to download, analyse and report from either workplace or environmental noise data. Once the 63X series is connected by the USB cable, Insight software automatically recognises that the instrument is connected and downloads the data. Data is automatically saved to a database so data cannot accidentally be deleted.
Key Features
- Analysis of noise level time history
- Replay voice notes and event audio
- Intuitive user interface
- Remove anomalous data from results
- Analysis of time history
- Generate comprehensive reports
- Store data by, person, place, location
- Manage multiple instruments and calibration
Instrument Kit
Complete kits are available with acoustic calibrator (CEL-120), kit case, windshield, instruction manuals and USB cable, Casella Insight Data Management Software.
A typical instrument kit is pictured below:
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