HT155 model is a compact, strong and reliable Class 1 sound level meter for detection and recording of each kind of noise level, Leq and Peak values measurements, acoustic pollution, etc. very easy to use. Thanks to a powerful microprocessor it is possible to effect simultaneously multiple functions (Statistical, 24H, Integral analysis). The model have a internal memory for saving the results of recordings. The transfer of data to PC by using Windows software in order to see the numerical, graphic and statistic visualization screens it's also a important powerful feature of the meter. The instrument is provided inside a hard carrying case and is supplied with a portable Class 1 calibrator for preliminary checks before starting any measurement
