Meet the requirements of the EPA standard a low-frequency noise 20 ~ 200Hz

Features:

• Digital integration and pulse measurement.
• Instant 1/1 and 1/3 octave analysis (32 steps).
• IEC 61672: 2002
• IEC 61260-1995 CLASS 1
• Wide dynamic range: 90 dB
• Wide frequency range: of 10Hz ~ 20KHz.
• Wide measuring range: 25dB ~ 140dB.
• High-sensitivity 1/2 'pre-polarized condenser microphone with front microphone.
• Calendar function.
• Measurements: Lxyp, (Lxyi), Lxeq, 1s, Lxeq, T, LAE, E, Cpeak +, Cpeak-, LAFmax, LAFmin, LAFeqT, LASeqT, LAIeqT, Laeq.
• Backlit display LCD module.
• Data storage can be transferred to the computer.
• A / C / Z frequency weighting measurement.
• Fast (FAST), slow (SLOW), impulse (IMPULSE), peak (PEAK) time-weighted measurement.

Applications: The ST-105 Integral Instant Noise Analyzer is a handheld real-time analyzer that utilizes digital signal processing technology to integrate noise and other electrical signals for measurement and statistical analysis of frequencies and amplitudes of noise. Can be widely used in environmental protection, labor hygiene, scientific research, industrial enterprises, measurement and other fields to complete the measurement of environmental noise, sound power measurement, noise analysis of machinery and equipment and architectural acoustics measurements.