Sound Level Meter SL-5868P Sound Level Meter SL-5868P CD Software & Bluetooth  now comes with Bluetooth to transfer data from meter to computer! It has a wide range of 30-130dB with built-in calibration signal of 94dB at 1kHz. It offers 4 measurement parameters such as Lp, Leq, Lmax, LN. The meter itself can memorized 30 groups/sets […]