Condition: Pre-owned, clean, tested for power-on and basic function. Comes in original fitted hard case with calibrator and accessories (see photos). Light cosmetic wear from use, but overall very good condition. Display is clear and buttons respond properly.

This is a professional-grade sound level meter made by CEL Instruments (Casella CEL)—widely used in industrial noise surveys, OSHA compliance, environmental testing, and occupational safety assessments.

Included in This Listing:

• CEL-231 Digital Sound Survey Meter

• CEL-282 Acoustic Calibrator (IEC 942:1988 Class 2, ANSI S1.40-1984)

• Protective hard transport case with custom foam inserts

• Small calibration screwdriver (included in case)

• Windscreen foam piece

• Battery installed/needed

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CEL-231 Sound Meter Features:

• Digital sound level meter with clear LCD display

• Measures in dB(A)

• High (HI) Range: 65–135 dB(A)

• Low (LO) Range: 30–100 dB(A)

• Fast/Slow response options

• Calibration port

• Rugged handheld design

• Ideal for OSHA, industry, HVAC, construction, environmental noise, and workplace hearing conservation programs

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CEL-282 Acoustic Calibrator Features:

• Meets IEC 942:1988 Class 2 and ANSI S1.40-1984 standards

• 114 dB output @ 1 kHz

• Designed to calibrate CEL microphones—including the CEL-231

• LED indicator for low battery

• Made in England

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Condition Notes:

• Meter powers on and displays readings.

• Calibrator included (not fully tested with reference equipment).

• Case foam shows light wear but is intact.

• Unit may show minor scratches from routine professional field use.

• See all photos for the exact item you will receive.