Sper scientific 850019 Manuel utilisateur

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Bluetooth®

Sound Meter

850019

Instruction Manual

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TABLE OF CONTENTS

INTRODUCTION..........................................3

PANEL DESCRIPTION................................4

MEASUREMENT PROCEDURES...............5

AC WEIGHTING SCALES...........................5

BACKLIGHT.................................................6

HOLD FUNCTION........................................6

MAX/MIN FUNCTION...................................6

AUTO POWER OFF.....................................7

BLUETOOTH COMMUNICATIONS.............8

BATTERY REPLACEMENT.......................11

SPECIFICATIONS......................................12

OPTIONAL ACCESSORIES......................13

WARRANTY...............................................16

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INTRODUCTION

Sper Scientic’s Bluetooth® Sound Meter is

small, light, and simple to use with results

clearly displayed on the meter’s large

1-½” backlit display. Choose A or C decibel

frequency weighting scales and manual or

auto ranging. Indicates readings over or

under range and features a bar graph dis-

play, minimum and maximum hold (peak)

and data hold functions. The meter o󰀨ers the

convenience of Bluetooth® for wireless com-

munication with free iOS and Android Apps.

Results can also be remotely viewed on your

smartphone in real time, saved and exported.

Comes ready to use with a windscreen, tripod

screw, instructions and a 9V battery.

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PANEL DESCRIPTION

1. Microphone

2. LCD Display

3. HOLD/ button

4. MAX/MIN button

5. Power button

6. Range / A/C button

7. Bluetooth button

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MEASUREMENT PROCEDURES

Keep the microphone dry and avoid strong

vibrations. Use the WINDSCREEN at wind

speeds over 10m/sec.

1. Turn the meter on by pressing the POWER button.

2. Point the microphone at the sound source.

The decibel level is displayed.

3. If ”UNDER” or “OVER” (range) appear on

the display press the RANGE button

repeatedly until they disappear.

4. Press the POWER button to turn the meter o󰀨.

A/C WEIGHTING SCALES

Press the A/C button for 2 seconds to switch

between A & C frequency weighting scales.

The A scale is displayed as “dBA” and the C

scale is shown as “dBC” Select the A scale to

simulate the human ear’s response.

See Note on next page......

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Note…A scale is generally used for

environmental measurements. The C scale

approximates a at response and is typically

used to measure low-frequency machinery

noise where the target sound level is already

known.

BACKLIGHT

Press for 2 seconds to turn the illuminated

display on/o󰀨.

HOLD FUNCTION

With the meter on, press the HOLD button

to display “HOLD” and the last dB reading.

Press HOLD again to exit this function.

MAX/MIN FUNCTION

Max/Min dB readings are continually updat-

ed as soon as you enter the Max/Min mode.

These readings are reset when you exit the

Max/ Min mode, or when the meter is turned o󰀨.

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1. Press the MAX/MIN button once to display

“MAX” and the maximum (peak) recorded

dB level. The display will be updated only

when the max (peak) dB level is exceeded.

2. Press the MAX/MIN button again to display

“MIN” and the minimum recorded dB level.

The display will be updated only on reach-

ing a lower dB reading..

3. Press the MAX/MIN button again to exit

Max/Min mode. The current reading is now

displayed and continually updated.

AUTO POWER OFF

1. If no buttons are pushed for about 10 min-

utes, the meter will automatically turn o󰀨.

2. While the meter is on, press the power

button for 2 seconds to override Auto Power

O󰀨: disappears from the display indicat-

ing that Auto Power O󰀨 is disabled.

See Note on next page......

Note…The meter defaults to Auto Power O󰀨

each time it is turned on.

BLUETOOTH®COMMUNICATION

Download and pairing

1. Download the iOS or Android “Meterbox

Pro” APP to your smartphone.

2. Press the button on the meter to activate

Bluetooth®.

3. Press “Connect Device” on the APP.

4. Now choose “850019” from the device list

that now appears. The meter will immedi-

ately begin displaying a real time graph of

your meter’s readings.

Saving your results

5. To begin recording data press the red

button on screen. You will now be asked to

name your le and save the name. The

data will now start recording. Press the red

button again to stop recording.

Viewing saved Data

6. Press < at the top of the screen to view

saved data. Next, choose “Files” at the

bottom of the screen, then choose the le

you wish to view. A graph of the entire

record will now appear. Press on the

lower right to see the data including

recording times, maximum, minimum and

average readings.

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Settings

7. (saved data le graph) enables you to

add notes and photos to your data le.

8. Press at the top of the screen to export

the data for to your computer for further

analysis or storage.

9. Alarms. Insert your Hi and Low values and

turn the alarm switch on.

Note… The meter defaults to Bluetooth o󰀨

each time it is turned on.

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