Related Manuals for Farnell MarMonix MSL-765
Summary of Contents for Farnell MarMonix MSL-765
- Page 1 SOUND LEVEL METER Product Code: MSL-765 User Manual R E C F A S T A / C WWW.MARMONIX.CO...
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Page 2: Safety Information
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: Environment conditions ① Altitude lower than 2000 meters ② Relatively humidity ≤90％RH ③ Operation Ambient 0 ~ 40°C ... -
Page 3: Specification
FAST & SLOW response Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder 3. SPECIFICATION Standard applied: IEC61672 -1 CLASS2 Accuracy:±1.4dB Frequency range:31.5HZ ~ 8KHZ Dynamic range:50dB Memory:32700 Level ranges: LO:30dB~80dB Med:50dB~100dB Hi:80dB~130dB Auto:30dB~130dB Frequency weighting: A/C Time weighting: FAST ( 125ms ), SLOW ( 1s ) Microphone: 1/2 inch electret condenser microphone Display: 4 digits LCD display with a resolution of 0.1dB... -
Page 4: Name And Functions
Auto power off:Meter automatically shuts down after approx. 15 minutes of inactivity. Power supply: One 9V battery, 006P or NEDA1604 or IEC 6F22. Power life: About 30hours Operation temperature and humidity: 0°C~40°C,10％RH~90％RH Storage temperature and temperature: -10°C ~+60°C，10％RH~75％RH Dimension: 278 (L) x 76 (W) x 50(H) mm Weight : 350g Accessories : Instruction manual, battery, screwdriver, ￠3.5mm earphone plug, windscreen,... - Page 5 SYMBOL FUNCTION 4 digits Maximum hold Minimum hold OVER over range UNDER under range FAST Fast response SLOW Slow response A-Weighting(responseto human sense) C-Weighting(response to machine monitor) 30—130 Range indicate Recording data into computer AUTO Auto level range selection FULL Memory full HOLD Data hold function...
- Page 6 3.0 DATALOGGER function Press “REC” button after it power on, the display will show “REC” to start Data Recording，press the button again to exit the record (Note: In order to avoid data error, please don’t power it off under REC condition, when the REC function is deleted then it can power off).
- Page 7 show the date as following: Press the ‘SETUP’ button second time, the display showing： The display showing “minute” adjustment mode, press ‘LEVEL’ to make the adjustment，press ‘HOLD’ to keep the setup； Press the‘SETUP’button third time, the display showing： The display showing “hour” adjustment mode, press (h-P=P.M,h-A=A.M) ‘LEVEL’...
- Page 8 The display showing “date” adjustment mode, press ‘LEVEL’ to make the adjustment，press’HOLD’to keep the setup； Press the ‘SETUP’button fifth time, the display showing： The display showing “month” adjustment mode, press ‘LEVEL’ to make the adjustment，press ‘HOLD’ to keep the setup； Press the ‘SETUP’...
- Page 9 4.1. USB communications setting: Turn on the meter, connect the meter with the computer correctly, choose the software COM3（COM4）,hen press ‘ETUP’ , ‘ ‘ disappears from the display to indicate and disable auto power off, that the USB data is transmitting. ⑤...
- Page 10 ⑧ Backlight button 8.0．Turn the backlight on/off 8.1．DATALOGGER response setting; press the button continuously until‘INT’symbol appears after the meter turn on, press‘LEVEL’to set up the data memory response, then press‘HOLD’to keep the setting. ⑨ Frequency weighting select button A：A-Weighting C：C-Weighting ⑩...
- Page 11 USB interface USB signal output is a 9600 bps serial interface. ⒁ AC/DC signal output earphone outlet OUTPUT OUTPUT GROUND AC: Output voltage: 1Vrms corresponding to each range step. Output impedance: 100Ω DC: Output voltage: 10mV/dB Output impedance: 1kΩ ⒂ Calibration potentiometer（CALL） For external standard level calibration adjustments.
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Page 12: Calibration Procedures
CALIBRATION PROCEDURES ① Make the following switch settings: Frequency weighting: A-weighting Time weighting: FAST Level range: 50 ~100dB ② Insert the microphone housing carefully into the 1/2 inch insertion hole of the calibrator（94dB @ 1kHZ）. ③ Turn on the switch of calibrator and adjust the CALL potentiometer of the unit 94.0dB is displayed. -
Page 13: Operating Procedure
7. OPERATING PROCEDURE ① Power on the meter. ② Press ‘LEVEL’ button to select desired level, base on ‘UNDER’ or ‘OVER’ do not appear on LCD. ③ Select ‘dBA’ for general noise sound level and ‘dBC’ or measuring sound level of acoustic material. ④... - Page 14 10. Installing the software 1.0 Start windows 1.1 Insert the CD into the CD-drive. Run SETUP.EXE installation program in file DISK1, install it to the referred directory 1.3 Install CP210X drive software： Connecting the meter with the computer by USB interface, install CP2102 drive software in my computer property:\hardware\facility management\...
- Page 15 1.5 Enter the menu REAL TIME \‘SETUP’to set the monitoring data (data volume, response, monitoring time) 1.6 DATALOGGER menu: The computer read the memory data in the meter when REC not appear on the display and the onnection is in order.