PCE-SDL 1 Class 2 Data-Logging Sound Level Meter (IEC 61672-1)

The PCE-SDL 1 is a Class 2 data-logging sound level meter designed to record long-term acoustic measurements. It measures from 30 ... 130 dB with an accuracy of ± 1.4 dB and supports time weighting in Fast and Slow modes. Frequency response covers 31.5 Hz ... 8 kHz with A and C frequency weighting options. Data logging is robust: the unit stores up to 129,920 data sets with date- and time-stamped entries. The measuring rate is adjustable between 1 sec ... 24 hrs and the instrument offers an adjustable measurement interval, manual and auto-start operation, plus NORM (normal) and PEAK modes. Alarm behavior can be tailored via adjustable alarm limits and is signaled by LED alarm indicators. For data transfer the meter includes a USB interface and Windows-compatible software to move recordings to a PC (system requirements: Windows 2000 and up). Power is supplied by a 3.6V battery. Operating conditions are 0 ... 40°C / 32 ... 104°F , 10 ... 75% RH. The device complies with IEC 61672-1 (Class II / Class 2).