Offered range of Noise Measuring Instruments is acknowledged for its accurate measurement method and IS: 9779-1981 standard. Noise measurement capacity of these tools ranges between 50 to 114 dB. These are equipped with fixed electrets condenser having Â½ââ size, RMS detector, LCD screen with three digit display mechanism (for viewing measured value and also battery status) and alkaline battery. Die cast aluminum housing of these Noise Measuring Instruments is corrosion protected. Offered 500 gram measurement tools can be accessed in 78mm x 26 mm x 275mm (w X h X l) size. These have under range and overload indicating arrangement for the convenience of their operators. Long working life is one of the key features of these noise measurement solutions.