The Casella CEL-110/1 is a Class 1 acoustic dual sound calibrator that produces sound levels of 94 dB and 114 dB. Manufactured by Casella, this product is designed for use in various testing and measurement scenarios in a business, office, or industrial setting. This calibrator ensures accurate and reliable sound level measurements for a range of applications, making it an essential tool for professionals in the field of sound testing and inspection. Tested and fully working. The traceable calibration is out of date, and will need to be calibrated for traceable use, however the levels produced by the unit have been checked with a calibrated Class 1 noise meter
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