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Table of Contents
Related Manuals for MarMonix MSL-761
Summary of Contents for MarMonix MSL-761
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Page 1: Sound Level Meter
Sound Level Meter Products Code: MSL-761 User Manual WWW.MARMONIX.CO... -
Page 2: Table Of Contents
Content 1. Safety information 2. General description 3. Specifications 4. Name and functions 5. Measurement preparation 6. Operating precautions 7. Measurement 8. Calibration procedures... -
Page 3: Safety Information
1. Safety Information Read the following safety information carefully before attempting to operate or service the meter. Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be impaired. Environment conditions Altitude up to 2000 meters ... - Page 4 This sound level meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments. Range from 30dB to 130dB at frequencies between 31.5Hz and 8kHz. Display with 0.1dB steps on a 4-digits LCD. ...
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Page 5: Specifications
3. Specifications Standard applied IEC61672-1 type2, ANSI S1.4 type 2 Frequency range 31.5Hz to 8kHz Measuring level range 30 to 130dB Frequency weighting Microphone 1/2 inch electret condenser microphone Electrical calibration with te internal oscillator Calibration (1kHz sine wave) Display Digital display 4 digits Resolution... -
Page 6: Name And Functions
4. Name and Functions 1- Windscreen if you operate at wind speed over 10m/sec, please put protective accessories in front of the microphone. 2- LCD Display SYMBOL FUNCTION 4digits Maximum Value hold OVER Over range FAST Fast response SLOW Slow response A-Weighting C-Weighting Low Range (30 to 100dB) -
Page 7: Measurement Preparation
C: C-weighting. For checking the low-frequency content of noise. (If the C-Weighted level is much higher than the A-Weighted level, then there is a large amount of low-frequency noise) 6-Time Weighting Select Button F(fast response): for normal measurements (fast varying noise) S (slow response): for checking average level of fluctuating noise 7-Level Range Select Button Lo: 30~100dB;... -
Page 8: Operating Precautions
6. Operating Precautions Wind blowing across the microphone would bring additional extraneous noise. Once using the instrument in the presence of wind, it is a must to mount the windscreen to not pick up undesirable signals. To achieve more accurate measurement, use an extension cable to separate the Microphone from main body so that the effect of unexpected sound reflection can be eliminated. -
Page 9: Calibration Procedures
When HOLD (data hold) mode is chosen. The hold function freezes the reading in the display. Press the HOLD button momentarily to activate or to exit the HOLD function. Turn off the instrument and remove battery when not in use. 8.
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