Casella's CEL-350 dBadge micro noise dosimeter is available in an intrinsically safe version

Casella USA, the North American subsidiary of Casella CEL, is offering an Intrinsically Safe (IS) version of its CEL-350 dBadge micro noise dosimeter. This safety tool is designed to measure the noise exposure of an employee over the working day to uncover dangerous areas and to assure compliance with strict OSHA, NIOSH or ISO (European) regulations. The CEL-350IS is rated with the ATEX and FM intrinsic safety approval for use in a range of applications specified with the rating Class 1, Div 1, Groups A, B, C and D Hazardous (classified) locations with a temperature classification of T4.

Unlike conventional sound exposure meters, an employee can comfortably wear the CEL-350IS dBadge all day by attaching it to a shirt, overalls or hardhat. There are no microphone cables to damage or get caught up in, and no other external equipment is required. In fact, the instrument is operated with only two buttons located on its side. Auto-calibration is performed with any standard acoustic calibrator. 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.

Another feature of the dBadge is its built-in display. The display makes it easy to perform calibrations and provides status information and measured data. An ultra-bright LED indicates when exposure action levels have been exceeded by flashing at different rates.

The CEL-350IS dBadge is engineered to withstand the wear and tear associated with industrial environments. Since the controls can be locked, the risk of tampering and misuse is reduced.

The unit's built-in NiMH rechargeable battery pack will run for up to 32 hours, giving four eight-hour shifts under normal conditions. Recharging takes 90 minutes.

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