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Operating Instruction for

Sound Level Meter

Please read this manual before switching the unit on.

Important safety information inside.

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Summary of Contents for ET2146

Page 1: ...Operating Instruction for Sound Level Meter Please read this manual before switching the unit on Important safety information inside...

Page 2: ......

Page 3: ...utton 6 3 1 Datalogger Function 6 3 2 Adjusting Datalogger Response 6 3 3 Data Zero Function 6 4 HOLD Button 6 5 Frequency Weighting Select Button 6 6 FAST SLOW Button 6 7 SETUP Bluetooth Button 6 7 1...

Page 4: ...as specified in this manual 2 1 Environment Conditions Altitude lower than 2000 meters Relatively humidity 90 RH Operation Ambient 0 to 40 C 2 2 Maintenance Clearing Repair or servicing not covered i...

Page 5: ...0dB Lo 30dB to 80dB Med 50dB to 100dB Hi 80dB to 130dB Auto 30dB to 130dB A C FAST 125ms SLOW 1s 1 2 inch electret condenser microphone 4 digits LCD display with a resolution of 0 1dB 2 times sec Hold...

Page 6: ...Backlight Button 4 MAX MIN Button 5 REC Button 6 HOLD Button 7 Frequency Weighting Select Button 8 FAST SLOW Button 9 SETUP Bluetooth Button 10 LEVEL Button 11 Power Button 12 Microphone External DC...

Page 7: ...e 6 Slow Response 7 Over Range 8 Range Indicate 9 Date Time Indicate 1 2 3 5 6 7 8 9 11 12 13 14 16 15 18 17 4 10 10 4 Digits 11 Auto power off 12 Low Battery Indicate 13 Recording Data Into Computer...

Page 8: ...ss the MAX MIN Button again MIN will appear on LCD and minimum sound level will be captured and held until new lower sound level is captured Press the MAX MIN Button one more time to exit MAX MIN meas...

Page 9: ...es the reading in the display Frequency Weighting Select Button 6 5 A A Weighting C C Weighting FAST SLOW Button 6 6 Time weighting selection FAST St sampling measurement 1 time per 125ms SLOW Slow sa...

Page 10: ...etup LEVEL Button Button 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 to make the adjustment press the HOLD to keep the se...

Page 11: ...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 7 Press the SETUP Button seventh time the displa...

Page 12: ...Button Level Range Selection Each time you press the LEVEL Button the level range will change between Lo level Med level Hi level and Auto level in the circular 6 9 Power Button Turn the meter power...

Page 13: ...ime 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 C...

Page 14: ...acoustic material 4 Select FAST for instant sound and SLOW for average sound level 5 Select the MAX MIN Button for measuring maximum and minimum noise level 6 Hold the instrument comfortable in hand o...

Page 15: ...usb_driver Connect the USB to the computer the Windows system will show finding a new hardware choose specific directory C usb_driver according to the instruction After Driver installation a new COM...

Page 16: ...16 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...

Page 17: ...n 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...

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Page 20: ...Rev 210605 Operating Instruction for Sound Level Meter...

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