Class 2 sound level meter with calibrator and PC connection HTA102 is a digital sound level meter capable of conducting standard environmental noise tests, sound level measurements, noise pollution assessments, etc. It allows recording of sound pressure levels (SPL) with selected sampling intervals. HTA102 is equipped with a USB output for connection to a PC and comes with SoundLink software as a standard accessory. Recording in real-time mode (data logger) is possible, displaying results as graphs and saving data in text format. HTA102 is supplied with a portable calibrator for preliminary checks and packed in a case with all measurement accessories.