OSHA Caution Industrial Decibel Meter Sign

Measure and display decibel levels to alert workers of the need for ear protection. This lightweight, durable aluminum sign with frameless visual edge design captures employees attention while the Duck Armor™ Liquid Laminate protects the sign from indoor and outdoor elements. Measurement range from 30 to 130 dB and measures accurately to ±1.5 decibels in a room up to 325 sq. ft. Requires no additional calibration or settings and has hidden mounting brackets. Features three digit 1-1/2" high red LED digital numbers that are viewable from 75' away, and has a service temperature range of 32 to 104°F. Not recommended for high humidity environments. Supports OSHA 1910.95 hearing conservation program. Includes 5', 9C power cord.