The YT1359 is a portable digital sound level meter designed for sound and noise level measurement. It features A frequency weighting, a condenser microphone and a detachable double-layer protective shell.

With a measurement range of 30–130 dBA, the instrument is suitable for environmental noise monitoring, workplace noise measurement, factory inspection and machinery noise testing. Its white-backlit display, data hold and MAX/MIN reading functions support convenient on-site measurement.