Exactly what you need – no more, no less With the Pulsar Models 81A & 82A, making accurate industrial noise measurements has never been easier Only four buttons each with one labelled function Ideal for quick, accurate measurements to IEC 61672-1:2002 (Class 2 also available) Automatically pre-programmed to measure the parameters needed for industrial, hygiene and occupational noise Unique exposure table displaying estimated exposure duration The ‘A’ weighted Leq and ‘C’ weighted Peak value are shown clearly on large display