Operating Instruction for Sound Level Meter 1.Product Introduction • This Sound Level Meter is designed for noise project; quality control; illness prevention and cure and all kinds of environmental sounds measurement. • It is applied to the sounds measurement at factory, school, office, traffic access and household, etc. Safety Information •...
Operating Instruction for Sound Level Meter 4.Specification Standard Applied IEC61672 -1 CLASS2 Accuracy ±1.4dB Frequency Range 31.5Hz to 8kHz Dynamic Range 50dB Level Ranges Lo: 30dB to 80dB / Med: 50dB to 100dB / Hi: 80dB to 130dB / Auto: 30dB to 130dB Frequency Weighting Time Weighting FAST (125ms);...
Operating Instruction for Sound Level Meter 5-2.Symbols Used on LCD Display 1-Under Range 10-4 Digits 2-Maximum Hold 11-Auto power off 3-Bluetooth 12-Low Battery Indicate 4-Minimum Hold 13-Recording Data Into Computer 5-Fast Response 14-Memory Full 6-Slow Response 15-C-Weighting (Response to machine monitor) 7-Over Range 16-A-Weighting (Response to human sense) 8-Range Indicate...
Operating Instruction for Sound Level Meter 6.Button & Functions 6-1. Backlight Button • Turn the backlight On/Off. • Datalogger Response setting: 1.Press the Backlight Button continuously until “Int” symbol appears after the meter turn on. 2.Press the LEVEL Button to set up the data memory response. 3.Then press the HOLD Button to keep the setting.
Operating Instruction for Sound Level Meter 6-3-3.Data Zero Function Press the REC Button continuously before power it on, loosen the button when the display showing “CLR” after the meter power on, which indicates that the data in Datalogger has been deleted. 6-4.
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Operating Instruction for Sound Level Meter 2.Press the SETUP Button second time, the display showing; the display showing “minute” adjustment mode, press the LEVEL Button to make the adjustment, press the HOLD Button to keep the setup. 3.Press the SETUP Button third time, the display showing; the display showing “hour” adjustment mode (h-P=P.M, h-A=A.M), press the LEVEL Button to make the adjustment, press the HOLD...
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Operating Instruction for Sound Level Meter 5.Press the SETUP Button fifth time, the display showing; the display showing “month” adjustment mode, press the LEVEL Button to make the adjustment, press the HOLD Button to keep the setup. 6.Press the SETUP Button sixth time, the display showing; the display showing “year” adjustment mode, press the LEVEL Button to make the adjustment, press the HOLD Button to keep the setup.
Operating Instruction for Sound Level Meter 6 7-2 USB Communications Setting • Turn on the meter, connect the meter with the computer correctly, choose the software COM3 (COM4). • Then press the SETUP Button, “ ” disappears from the display to indicate and disable auto power off, that the USB data is transmitting.
Operating Instruction for Sound Level Meter 7. Calibration Procedures 1.Make the following switch settings: • Frequency Weighting: A-Weighting • Time Weighting: FAST • Level Range: 50 to 100dB 2.Insert the microphone housing carefully into the 1/2 inch insertion hole of the calibrator (94dB at 1kHz). 3.Turn on the switch of calibrator and adjust the CALL potentiometer of the unit 94.0dB is displayed.
Operating Instruction for Sound Level Meter 8. Measurement Preparation 1.Remove the battery cover on the back and put in one 9V battery. 2.Recover the back cover. 3.When battery voltage drops below the operating voltage or battery aging, this symbol “ ”...
Operating Instruction for Sound Level Meter 12. Installing the Software 1.Start Windows. 2.Insert the CD into the CD-drive. 3.Run “SETUP.exe” installation program in file DISK1, install it to the referred directory 4.Install CP210X drive software, connecting the meter with the computer by USB interface, install CP2102 drive software in “My computer property:\hardware\facility management\ COM CP210X USB”.
Operating Instruction for Sound Level Meter 13. Mobile APP Software 1.Start APP 2.Click “Connect Dcvice” to search for Bluetooth devices, and click Corresponding Equipment.
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Operating Instruction for Sound Level Meter 3.Select “Environment Meter” to enter the instrument display interface. 4.View real-time display noise data and select control instructions. 5.More information please refer to the software help document.
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Operating Instruction for Sound Level Meter Rev.210605...
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