Amprobe SM-10 Podręcznik użytkownika - Strona 7

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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.

MAX/MIN

The MAx Min feature reads and updates the display to show the maximum

or minimum average value measured after you press the MAx Min button.

pressing the MAx Min button for less than 1 second will put the meter into

a mode of displaying the maximum, minimum, average, or actual readings.

each time the button is pressed, the meter will alternate between MAx

and Min. press the MAx Min button for more than 2 seconds to disable this

feature.

HoLd

freezes the reading present on the LCd at the moment the button is pressed.

To use this button feature set up the meter for the type of measurement and

range desired before pressing the button.

backlight

press the button you enable the display backlight to easy readings in dark

environments. press more than 1 second to disable backlight, which however

it automatically off after 15 seconds.

Record (SM-20-A only)

Refer to Cd-RoM for download Suite

To transfer the data from the instrument to the pC the following procedure

must be followed:

Switch on the instrument

Connect the serial output of the instrument to the serial output of the pC

through the serial cable

press the ReC button on the SM-20-A.

install the software and start it – Close the introduction window

press f2 and follow the commands.

Refer to software help file for further instructions.

Calibration Procedures

Using a standard Acoustic Calibrator (SM-CAL1) (94dB, 1 khz Sine wave)

Set meter for dBA and fAST.

insert the Microphone nozzle carefully into the insertion hole of the

calibrator.

press A/C button then press the hoLd button, hold the 2 buttons at

the same time more than 1 second. LCd will be blinking to confirm

calibration.

instructions .