CEL-633 Type 1 by Casella - Sound Level Meter

Area Monitoring Datalogging
Sound Level Meter Manufacturer: Casella USA
CEL-633 Type 1 by Casella - Sound Level Meter
CEL-633 Type 1 by Casella - Sound Level Meter
CEL-633 Type 1 by Casella - Sound Level Meter

The Casella CEL-633 is a Type 1 (IEC 61672 Class 1) integrating sound level meter capable of simultaneously measuring all workplace noise parameters across all frequency weightings (A, C, Z) and time weightings (Fast, Slow, Impulse), making it well-suited for both occupational and environmental noise monitoring. Pre-configured setups for ISO, OSHA, and other regulatory standards simplify field deployment, and custom configurations can be programmed directly on the meter. Note: this unit does not include octave band analysis capability.

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CEL-633 Type 1 by Casella - Sound Level Meter
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About This Product

The Casella CEL-633 is a Type 1 (IEC 61672 Class 1) integrating sound level meter capable of simultaneously measuring all workplace noise parameters across all frequency weightings (A, C, Z) and time weightings (Fast, Slow, Impulse), making it well-suited for both occupational and environmental noise monitoring. Pre-configured setups for ISO, OSHA, and other regulatory standards simplify field deployment, and custom configurations can be programmed directly on the meter. Note: this unit does not include octave band analysis capability.

Exposure Hazards This Equipment Detects

Noise (dBA)

CAS: N/A
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PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Features & Capabilities

Calibration Certificate Available: ✓ Yes
Datalogging: ✓ Yes
Monitoring Scope: Area Monitoring

Equipment Specifications

Measurement Range20-140dB RMS (143.3dB peak)Total Noise floor19dB(A) Class 1, 25dB(A) Class 2Time weightingsFast, Slow and Impulse simultaneouslyFrequency weightingsA, C and Z (un-weighted) simultaneouslyAmplitude weighting (Q)3, 4 and 5 simultaneouslyBack eraseLast 10s in cumulative mode (all models)TimersDuration 1s-24hOn/Off timers6 sets with selectable times and a repeat functionTripod mount1/4” Whitworth socketBatteries3x AA Alkaline, 10-15 hours dependent on back lightExternal power9-14V DC at 150mAWeight332g including batteriesSize230x72x31mm inc preamp and microphoneAudio 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

Memory2GB (>1 year logging when set to 1 second interval, 999 runs). All parameters stored and accessible via Casella insight. Total measurement runs: 999.Events999 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.Operating Conditions0 to 90%RH (non condensing); -10 to +50°C (Class 1) and 0 to 40°C (Class 2); Atmospheric pressure of 65 to 108kPa.LanguagesUser interface can be changed via the menu: English, French, German, Spanish, Italian, Portuguese, Chinese.Standards

  • 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

Kit Contents

CEL-633 Sound Level Meter w/ Microphone Separated, CEL-120 Field Calibrator, Windscreen, Mini USB Cable, Spare AA Batteries (3) for SLM, Spare AAA Batteries (2) for Calibrator, Aux Adapter, Wrist Strap, Carrying Case, Calibration Certificates (Emailed or in case), CASELLA Flash Drive with Manuals and Software

Manufacturer Resources

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