The Casella USA CEL-630 data logging meter measures workplace and environmental noise in environments prone to variable or fast-changing noise levels. By logging data of varying key noise levels at regular intervals over a run, the meter provides an overall average result along with a time history of every reading to help operators visualize how noise varied over the course of the measurement. It comes with a detachable microphone and preamplifier, allowing the meter to be placed in a safe place while the microphone is outside or in a dangerous industrial area. Pre-configured setups simplify measuring sound and ambient noise; all data is measured and stored simultaneously.

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