Product Description
CEL-120/1 Class 1 Acoustic Calibrator for Precision Noise Measurement
The CEL-120/1 Acoustic Calibrator is a Class 1 reference sound source producing 94 dB or 114 dB at 1 kHz, designed for verifying and field-checking professional sound level meters before and after noise surveys.
Supplied with two AAA batteries and a calibration card, the CEL-120/1 supports industrial hygiene, environmental acoustics, and occupational-noise programs that require documented instrument verification.
It is compatible with Casella CEL-24X, CEL-62X, and CEL-63X Series sound level meters, making it a critical accessory for consultants and safety teams running regulated noise assessments.
What’s Included
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(1) CEL-120/1 Class 1 acoustic calibrator
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(2) AAA batteries
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Calibration card
Key Features
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Class 1 accuracy
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Outputs 94 dB or 114 dB at 1 kHz
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Battery powered for field use
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Compact, portable design
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For pre- and post-survey verification
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Supports regulated noise-monitoring workflows
Compatible Instrument Series
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Casella CEL-24X sound level meters
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Casella CEL-62X sound level meters
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Casella CEL-63X sound level meters
