The Metrix Plus - 12500 Hz Digital Sound Level Meter is a portable noise level sensor that can convert sound intensity into Hertz value. The 12500 Hz Digital Sound Level Meter can detect both intensity and range of noises accurately. The Digital Sound, Level Meter's microphone, is protected by a cushioned cover to keep it free from damages. The Metrix Plus - 12500 Hz Digital Sound Level Meter can be used for Industrial purposes, Environmental purpose and Automobile Industries. The Sound Level Meter device offers 30 groups of data storage. The device has a built-in low battery indicator for convenience. Product Specifications: Company: Metrix Plus Country of Origin: India Microphone: 1/2-inch electret condenser microphone Accuracy: ± 1 dB Measuring range: LP 30~130dB (A) 35-130dB (C) 35-130dB (F) Leq: 30-130dB LN: 0-100% Frequency range: 20 - 12,500 Hz Resolution: 4 digits and 0.1 dB Sampling frequency: 2 times / sec