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1.
Windscreen & 1/2 inch Electret Condenser microphone
If you operate at wind speed over 10m/sec, please put protective
accessories in front of the microphone.
2.
MAX/MIN button:
The max. Hold position is used to measure the maximum level
of sounds. The maximum measured level is up dated
continuously. Press once again the button, will release the hold
and allow a further measurement.
3. Power ON/OFF button:
Turn the meter power ON/OFF
4.
Backlight Sensor:
Automatic Turn the meter Backlight ON/OFF
5. Digital LCD display
4 digits,Resolution: 0.1dB,Display Up data: 0.5 sec.
6. Unit
7. Low-Power Display
8. Max./Min. Display
9. Tripod nut
Hold the instrument comfortably in fix on
10. Battery Cover
Open the battery cover to replacing new one 9V battery.
Maximum (MAX) Minimum (MIN) Function
The MAX/ MIN mode allows the user to view only the lowest (MIN)
or highest (MAX) readings.
Press the MAX/ MIN button once and “MAX” appears on the display.
The LCD is now displaying the maximum reading of the selected
parameter in the display. The display will not change until a higher
reading is registered.
Start-up the unit
Insert the battery
Open the battery cover and insert the 9 volt battery according to the
correct polarity.
Power
Press the power button to start normal measurement.
Messung
1) Hold the instrument comfortably in hand or fix on tripod and
point the microphone at the suspected noise source, the
sound pressure level will be displayed.
2) When MAX/MIN (maximum/minimum hold) mode is chosen.
The instrument captures and holds the maximum or minimum
noise level for a long period using any of the time weightings
and ranges.
3) If it appears, battery should be replaced with new one.
Automatic Power OFF
Meter automatically shuts down after approx. 30 minutes of inactivity (Sleep
Mode). To override Auto Power Off function (Non-Sleep Mode), firstly press
the MAX/MIN button and hold, then press power button, after the display
appears, release both buttons. Icon “
” will not shown on the LCD. The
unit will not auto power off now.
Attention!
Wind blowing across the microphone would bring additional extra-
neous noise.
Once using the instrument in the presence of wind, it is a must to
mount the windscreen to not pick up undesirable signals.
