- Description / Features / Spec
Casella CEL-633 1/3 Octave Band Sound Level Meter Kit (Class 1 - L/E)
This Sound Level Meter Kit from Casella features an Environmental, 1/3 Octave Band Class 1 CEL-633 instrument with logging. Environmental models include features such as simultaneous broadband and frequency measurement and triggered 'event' capture.
The CEL-630 series was designed to undertake the measurement requirements of noise in the workplace and environmental noise. The instruments are easy to use and comply with the latest IEC and ANSI international standards for sound level meters. All data is measured and stored simultaneously to avoid errors, ensuring the highest level of performance.
Models for both environmental and/or occupational noise are available, with the availability of frequency analysis and advance functions such as data markers, timers and logging of time history data.
This range of Casella sound level meters can be applied in occupations noise measurement, calculation of noise exposure, selection of hearing protection or boundary noise assessments.
Audio recording is a standard feature of the CEL-630 series with all models having a voice notes capability. This allows the user to speak into a microphone before or after a measurement so results can be annotated without having to be written down. Data can also be ‘marked’ during a measurement of noise in the workplace or environmental noise to signify either an anomalous or significant event. Audio is also recorded for later noise source identification. If the instrument is used for unattended measurements, audio recording can be triggered by a condition such as a given level being exceeded for a period of time. In this case additional data will be collected along with the audio which can be particularly useful where the noise source of interest is transient.
Workplace noise levels and environmental noise level can be made quickly and the displayed information can be made as simple or comprehensive as needed. The calibration dates and times are stored and downloaded to Casella insight software which validates the accuracy of measurements.
Other features of the CEL-630 series are the display which shows the battery status (up to 15 hours), memory capacity and measurement view selected. The memory capacity stands at 2GB which stores more than 1 year of continuous data.
- Easy to use switch-on-and-go functionality
- Latest digital technology with a high resolution colour TFT display
- Voice notes to annotate measurements
- 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
- 2GB memory for more than 1 year of data storage
- Removable pre-amp
- IEC61672: 2002 Class 1 and 2, ANSI S1.4: Type 1 and 2 (1983)
- Filters: IEC61260: Class 0, ANSI S1.43: (1996)
- Note: IEC61672 replaces 2 obsolete standards, IEC60651 and IEC60804
General Measurement range 20-140dB RMS (143.3dB peak) Total Noise floor 25dB(A) Class 2 Time weightings Fast, Slow and Impulse simultaneously Frequency weightings A, C and Z (un-weighted) simultaneously Frequency bands N/A Amplitude weighting (Q) 3, 4 and 5 simultaneously Back erase Last 10s in cumulative mode (all models) Timers Duration 1s-24h On/Off timers 6 sets with selectable times and a repeat function Physical Tripod mount 1/4” Whitworth socket External power 9-14V DC at 150mA Weight 332g including batteries Size 230x72x31mm inc preamp and microphone Memory 2GB (>1 year logging when set to 1 second interval, 999 runs). All parameters stored and accessible via Casella insight. Total measurement runs: 999. Events 999 events/run. 10 hours of audio recording in high quality mode, 60 hours in low quality mode. For long term unattended monitoring the CEL-630 takes a new run daily for up to a total of 400 days. Audio Recording Low Quality 8,000 samples/s @ 8bit (64kb/s), up to 4kHz High Quality 24,000 samples/s @ 8 bit (192kb/s), up to 12kHz Environmental Operating Conditions
- Relative humidity of 5 to 90% (non condensing)
- Temperature of -10 to +50°C (Class 1) and 0 to 40°C
- (Class 2) Atmospheric pressure of 65 to 108kPa.
Languages User interface can be changed via the menu: English, French, German, Spanish, Italian, Portuguese, Chinese. Measured Parameters Broadband LXY, LXYmax, LXYmin, LXeq, LXpeak, Lavg, LC-LA, LXIeq,LTM3, LTM5, LAE Octaves & 1/3 octaves LXY, LXeq, LXYmax CEL-631 and CEL-633 models additionally store 5x Ln values in broadband and octave modes. Cel-632 and CEL-633 models additionally stores time history data, all parameters are logged for period times plus 6 selectable profile parameters (plus 5x Ln values on CEL-633) Where X is the frequency weighting A, C or Z and Y represents time weighting Fast (F), Slow (S) or Impulse (I). All weightings simultaneously measured where appropriate. What's Included?
- 1x CEL-633 environmental 1/3 octave band sound level meter (class 1 with logging)
- Acoustic calibrator CEL-120
- USB download cable
- Calibration Certificate
- Executive Kit Case
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