PCE-SDL 1 Data-Logging Sound Level MeterClass 2 data-logging noise meter with USB interface and Windows-compatible software. PCE-SDL 1 is a class 2 (type 2) data-logging sound level meter, sound pressure level (SPL) meter, noise meter or decibel (dB) meter used for long-term acoustic measurements.
The Windows-compatible software included with the meter allows for the display of a progressive graph of the data collected. The software also enables the user to set alarm limits indicated on the meter via flashing LEDs.