Tiny noise meter

March 21, 2013
Tiny noise meter
The new CEL-350 dBadge from Casella CEL is a micro noise dosimeter designed to measure noise exposure of workers throughout the workday to detect hazardous areas. Many industrial professionals have tried personal dose badges and found they compromise performance for a smaller size, the company said. The new CEL-350 dBadge features a built-in display, cable-free architecture, simultaneous measurement of both OSHA and ISO parameters, and faster battery recharging — all contained within a small, unobtrusive housing that weighs just two ounces. A worker can comfortably wear the CEL-350 dBadge all day by attaching it to a shirt, overalls or hardhat. The instrument is operated with only two buttons located on its side. Auto-calibration is performed with any standard acoustic calibrator — no other setup is needed, the company said. Once in operation, the unit captures a time history for every noise event, including average noise level and peak value, which is logged in one-minute values for later analysis. Its 64kb memory stores up to 180 hours of data.

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