Sound Level Meter

Sound Level Meter


The Sound Level Meter, SL2052 is a battery operated, hand held, sound pressure level measuring instrument. Measured SPL (or simply sound level) is read on a digital LCD meter in dB 'units'. Range, Filter and other options are selectable through sealed membrane switches, conveniently arranged. Lighted LEDs indicate options selected.

Measurement of noise emission of machines, automobiles, aircrafts, air conditioners, appliances, noise due to traffic, human voices, loud music; Noise surveys, audits, checking compliance with recommended noise limits; Sound insulation and reinforcement studies; Measuring output and frequency spectrum of loudspeakers; buzzers, sirens and other acoustic devices

Applicable Standard IEC 651 Type 2; Measuring Ranges 40 -90 dB, 80 - 130 dB; Microphone, Sensitivity 10mV/Pa; Frequency Response 30 to 16000 Hz at 90 dB; Frequency Weighting A, Linear (30 - 16000Hz); Rectifier True RMS (crest factor >6); Dynamic Range >50 dB; Time Weighting Slow: time constant 1 sec; Fast: time constant 125 ms; Display 3 1/2 digit LCD, Resolution 0.1 dB; Power Supply 9V battery, type 6F22; Operating Temp 0 to 50 Degree C; Humidity <90 % (NC); Size 285 X 80 X 38 mm.

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