ENDEAVOUR ET2146 User manual
Operating Instruction for
Sound Level Meter
Please read this manual before switching the unit on.
Important safety information inside.
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Operating Instruction for Sound Level Meter
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Content
1.Product Introduction.....................................................................
2.Safety Information........................................................................
2-1.Environment Conditions...........................................................
2-2.Maintenance & Clearing..........................................................
2-3.Safety Symbols.......................................................................
3.Functions Description...................................................................
4.Specification.................................................................................
5.Description...................................................................................
5 .................................................................... -1.Meter Description
5 2 Symbols Used on LCD Display.................................................. - .
6.Button & Functions.......................................................................
6 Backlight Button..................................................................... -1.
6 2 MAX/MIN Button.....................................................................- .
6 3 REC Button.............................................................................- .
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 The Time Chip Adjustment and Bluetooth Switch.................- - .
6 7-2 USB Communications Setting.............................................. - .
6 7-3 Bluetooth Communications Setting..................................... - .
6 8 LEVEL Button...........................................................................- .
6 9 Power Button...........................................................................- .
6 10 External DC 9V Power Supply Terminal....................................- .
6 11 USB Interface........................................................................- .
6 12 AC/DC Signal Output Earphone Outlet.....................................- .
6 13 Calibration Potentiometer (CALL)............................................- .
7. Calibration Procedures..................................................................
8. Measurement Preparation.............................................................
9.Operating Procedure......................................................................
10.Notice.........................................................................................
11.Accessories.................................................................................
12. Installing the Software................................................................
13. Mobile APP Software...................................................................
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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.
2. 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:
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 in this manual should be performed by qualified personnel.
• Periodically wipe the case with a dry cloth.
• Do not use solvents or eradicator on this instrumen.
2-3.Safety Symbols
Comply with EMC
3.Functions Description
• This unit confirms to the IEC61672-1 CLASS2 for Sound Level Meters.
• MAX & MIN measurements.
• Over range display.
• Under range display.
• A & C Weighting.
• FAST & SLOW response.
• Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder.
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Operating Instruction for Sound Level Meter
4.Specification
Standard Applied
Accuracy
Frequency Range
Dynamic Range
Level Ranges
Frequency Weighting
Time Weighting
Microphone
Display
Display Update
Max Hold
Min Hold
Hold
Alarm Function
Analog Output
Data Output
Auto Power Off
Power Supply
Operation Temperature
Operation Humidity
Storage Temperature
Storage Humidity
Dimension (L x W x H)
Weight
IEC61672 -1 CLASS2
±1.4dB
31.5Hz to 8kHz
50dB
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 the Maximum reading
Hold the Minimum reading
Hold the readings
“OVER”is when input is more than upper limit of range;
“UNDER”is when input is less than lower limit of range.
AC/DC outputs from earphone outlet, AC=1Vrms; DC=10mV/dB
USB data traffic, Bluetooth
Meter automatically shuts down after approx. 15 minutes of inactivity.
One 9V battery, 006P or NEDA1604 or IEC 6F22.
0 to 40°C
10%RH to 90%RH
-10 to 60°C
10%RH to 75%RH
278 x 76 x 50mm
350g
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Operating Instruction for Sound Level Meter
5.Description
5-1.Meter Description
1-Windscreen
2-LCD Display
3-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 9V Power Supply Terminal13-
14-USB Interface
15-AC/DC Signal Output Earphone Outlet
16-Calibration Potentiometer
17-Tripod Mounting Screw
18-Battery Cover
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Operating Instruction for Sound Level Meter
5-2.Symbols Used on LCD Display
1-Under Range
2-Maximum Hold
3-Bluetooth
4-Minimum Hold
5-Fast Response
6-Slow Response
7-Over Range
8-Range Indicate
9-Date/Time Indicate
123 5 6 7
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13 14 16
15 18
17
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10-4 Digits
11-Auto power off
12-Low Battery Indicate
13-Recording Data Into Computer
14-Memory Full
15-C-Weighting (Response to machine monitor)
16-A-Weighting (Response to human sense)
17-Data Hold Function
18-Auto Level Range Selection
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Operating Instruction for Sound Level Meter
6.Button & Functions
Backlight Button 6-1.
• Turn the backlight On/Off.
• Datalogger Response setting:
1.Press the Button continuously until “Int” symbol appears after the meter turn on.Backlight
2.Press the Button to set up the data memory response.LEVEL
3.Then press the Button to keep the setting.HOLD
MAX/MIN Button 6-2.
• Maximum and Minimum hold Press the MAX/MIN Button for one time to enter MAX/MIN measurement, “MAX”
will appear on LCD, maximum sound level will be captured and held until higher sound level is captured.
• Press 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 measurement.
REC Button 6-3.
Datalogger Function 6-3-1.
• Press the REC Button after it power on, the display will show “REC” to start Data Recording.
• Press the REC 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.
Adjusting Datalogger Response 6-3-2.
• Press the Button continuously before power it on, then press the Button, it will be displayedBacklight Power
as following.
• Press the LEVEL Button to adjust memory time, press the HOLD Button to hold the setup.
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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.
HOLD Button 6-4.
Press the HOLD Button, the hold function freezes 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 sampling measurement, 1 time per second.
Button 6-7.SETUP/Bluetooth
The Time Chip Adjustment and Bluetooth Switch 6-7-1.
1.Press the SETUP Button and then power it on, when “TIME” symbol displays then loosen the SETUP Button, the
meter will be under time adjustment mode, at the time the display will show the date as following.
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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 to make the adjustment, press the HOLD to keep the setup.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 setup.LEVEL Button Button
4.Press the SETUP Button fourth time, the display showing; the display showing “date” adjustment mode, press
the to make the adjustment, press the HOLD to keep the setup.LEVEL Button Button
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