Soft dB Piccolo-II Manual de usuario

Piccolo-II

Integrating Averaging Sound Level Meter

User Guide V1.1.0 – 2018/01/29

Soft dB Inc.

1040,

Belvedere Avenue, Suite 215

Quebec (Quebec) Canada G1S 3G3

Toll free: 1

-866-686-0993 (USA and Canada)

E-mail: info@softdb.com

Contents

1Introduction............................................................................................................................. 1

1.1 Features ........................................................................................................................................................... 1

2First Use.................................................................................................................................... 2

2.1 Unpacking....................................................................................................................................................... 2

2.2 Instrument Components........................................................................................................................... 2

2.3 Dimensions..................................................................................................................................................... 3

2.4 Buttons............................................................................................................................................................. 3

2.5 Display Screen ............................................................................................................................................... 4

2.6 Overload Indication..................................................................................................................................... 4

2.7 Power-Up ........................................................................................................................................................ 5

2.8 Shut-Down...................................................................................................................................................... 5

3Running a Measurement......................................................................................................... 6

3.1 Single-Store.................................................................................................................................................... 6

3.2 Auto-Store....................................................................................................................................................... 7

4Data Display............................................................................................................................. 8

5Measurement Setup................................................................................................................ 9

6Calibrating ............................................................................................................................. 10

7Locking and Unlocking ......................................................................................................... 11

8Software................................................................................................................................. 12

8.1 Download and Install................................................................................................................................12

8.2 First Use .........................................................................................................................................................12

8.3 Memory Download....................................................................................................................................13

8.4 Records Viewer............................................................................................................................................13

8.5 Spectrum Analyzer ....................................................................................................................................15

8.6 Calibration ....................................................................................................................................................16

8.7 Calibration Certificate...............................................................................................................................16

8.8 Audio Recording.........................................................................................................................................17

8.9 Clock Synchronisation..............................................................................................................................17

9Technical Specifications........................................................................................................18

10 Measuring to IEC 61672-3.....................................................................................................20

10.1 Calibration ....................................................................................................................................................20

10.2 Inserting Electrical Signals ......................................................................................................................20

10.2.1 Adjusting Sensitivity for the Auxiliary Input......................................................................20

10.3 Reference Dynamic Range......................................................................................................................20

10.4 Corrections ...................................................................................................................................................21

10.4.1 Specifications Adjustment.......................................................................................................21

10.4.2 Pressure Response ......................................................................................................................21

10.4.3 Effect of Windscreen ..................................................................................................................21

10.4.4 Directional Response .................................................................................................................22

11 Glossary..................................................................................................................................23

12 Specimen Calibration Certificate ......................................................................................... 25

13 Warranty ................................................................................................................................ 29

1Introduction

Congratulations for purchasing the Piccolo-II Integrating Sound Level Meter. This instrument

provides an innovative and cost effective solution for professional grade acoustical measurement.

1.1 Features

•Precision Integrating Sound Level Meter;

•A, C and Z simultaneous frequency weightings;

•Leq, Lmax, Lmin, Lpeak, SEL and 7 LN% (L1%, L5%, L10%, L50%, L90%, L95% and L99%);

•Large dynamic range: 30 dBA to 130 dBZpk1;

•Slow or Fast SPL Time response;

•1/1 Octave spectrum;

•1/3 Octave spectrum2;

•400 lines FFT spectrum;

•16 MB memory for up to 214 252 records;

•Auxiliary input for external microphone;

•Large Li-Ion battery for up-to 48h operating time.

1Using two ranges: Low : 30 dBA to 110 dBpk, High 46 dBA to 130 dBpk, at nominal sensitivity

21/3 octave spectrum available using software

2First Use

2.1 Unpacking

2.2 Instrument Components

Carrying Case

USB Cable

Piccolo-II Instrument

Calibration Certificate

Display

Buttons

Overload

LED

USB

Connector

Charging

LED

Auxi Jack (1/8)

Reset

Button

Tripod

Adapter

(1/4-20)

SN Label

Microphone

2.3 Dimensions

2.4 Buttons

There are 3 buttons on the Piccolo-II to control the instrument. Icons displayed above each button

indicate the functions associated with a long-press and icons under the buttons indicate the

functions associated with a short-press.

144mm (5 5/8”)

59mm (2 5/16”)

18.5mm (23/32”)

13.2mm (0.52”)

“Short

-Press” Functions

Change

Data Display

Run/Stop “Single

-Store” Measurement

Measurement Setup Select

“Long

-Press” Functions

Measurement Setup

Run/Stop “Auto

-Store” Measurement

Power ON/OFF

2.5 Display Screen

1) Battery Level (contour blinking when charging)

2) Maximum Sound Pressure Level (SPL)

3) Minimum SPL

4) Average in progress (blinking)

5) Equivalent Level

6) Live SPL Bar Graph (Right-most segment blinking on Under-Range, Left-most segment

blinking on Over-Load)

7) SPL Time-Weight (Fast or Slow)

8) dB Units

9) Frequency Weighting (A, C or Z)

10) Sound Level (Live SPL, Leq, Lmax, Lmin, SEL, Lpeak;

Record Number;

Elapsed Time (mm:ss);

Overload (- or 1);

Battery %.

11) Additional Label: SPL, SEL, PEA (Lpeak), rEC (Record number), bAtt (Battery);

Under-Range (- or 1);

12) Time indicator: visible when displaying Elapsed Time.

2.6 Overload Indication

The overload LED will blink for 1s when an overload occurs. If the overload occurs

during a measurement, the right-most segment of the SPL Bar Graph will blink.

This segment will keep blinking until another measurement is performed.

The overload threshold is set 1 dB below the upper limit of the dynamic range.

2.7 Power-Up

To power ON the instrument, press and hold the right-most button. At power-up, the display

screen displays the live SPL.

To power-up the instrument, perform a long-press on the right-

most button. This

will power-up the instrument and display “Init” on the display during the warm-up

process (~1s).

2.8 Shut-Down

To shut-down the instrument, press and hold the right-most button until the display turns off.

When no measurement is in progress, the instrument will shut-down after 10 minutes of inactivity.

Long-Press

3Running a Measurement

There are two measurement modes available on the Piccolo-II: “Single-Store” and “Auto-Store”.

The Single-Store runs a single average period and stopes after the specified duration or when the

user stops the measurement.

The Auto-Store runs a series of average periods one after the other until the user stops the

measurement or until the memory is full.

3.1 Single-Store

To start a Single-Store measurement, perform a short-

press on the center button.

This will display “run SGLE” on the display for 1s and start the measurement.

Once the measurement is started, the display automatically shows the Leq.

While the measurement is running, the “Avg” indicator will blink and the left-most

segments will rotate indicating a measurement in progress.

To stop the measurement, perform a short-

press on the center button or simply

wait for the measurement duration to be elapsed.

When the measurement is over, the record number will be displayed for 1s and the

display will return to the Leq.

Short-Press

3.2 Auto-Store

To start an Auto-Store measurement, perform a long-press on the center button.

This will display “run AUTO” on the display for 1s and start the measurement.

Once the measurement is started, the display automatically shows the Leq.

While the measurement is running, the “Avg” indicator will blink and the left-most

segments will rotate indicating a measurement in progress.

Note that the left-most segments rotate to form an “O” shape in Auto-Store mode

whereas it forms a small “o” shape in Single-Store mode.

To stop the measurement, perform a short-press on the center button or simply

wait for the measurement duration to be elapsed.

When the measurement is over, the record number will be displayed for 1s and the

display will return to the Leq.

Long-Press

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