TSI Instruments QUEST SD-200 Manuale utente

SOUND DETECTOR

MODEL SD-200

USER MANUAL

Distributed by:

Air-Met Scientic Pty Ltd

Work with Confidence

Air-Met Sales/Service

P: 1800 000 744

F: 1800 000 774

E: [email protected]

Air-Met Rental

P: 1300 137 067

E: [email protected]

W: www.airmet.com.au

SOUND DETECTOR MODEL SD-200

SD-200: Dangers, Warnings, Cautions & Battery

DANGER!

Failure to observe the following procedures may result in serious personal

injury

Not for use in explosive or hazardous locations. This product is not intrinsically safe.

Contains built-in lithium polymer battery. DO NOT incinerate or dispose of in fire. DO NOT

disassemble, alter, or re-construct.

WARNING!

Failure to observe the following procedures could damage the instrument

Read the manual before operation.

DO NOT store in temperatures exceeding 70°C (158°F).

DO NOT immerse in liquids.

Condensation may damage your instrument.

Substitution of components may impair the accuracy of the instrument. Repair should be

done by authorized service personnel only.

Caution!

General

The battery in this instrument has limited shelf-life, even if never used.

A non-condensing environment is required for proper measurements.

DO NOT charge battery outside the range of 0°C to 40°C (32°F to 104°F).

Battery run-time may be reduced when operating at lower than 0°C (32°F) temperatures.

Battery Power and First Use Recommendation

It is recommended to fully charge the SD-200 for approximately 12 hours prior to

first use.

Intended Use

The SD-200 is intended to measure sound pressure levels in air. Consult your

company’s safety professional for local standards, or call TSI at 1-800-680-1220

(USA) or (651) 490-2860.

Table of Contents

SD-200 Overview....................................................................................................................................... 1

Powering on............................................................................................................................................... 2

Viewing Sound Pressure Level (SPL)................................................................................................... 2

Powering off .............................................................................................................................................. 2

Operating ................................................................................................................................................... 3

Overview of operation ........................................................................................................................... 3

Integrating measurements .................................................................................................................... 3

Running and stopping........................................................................................................................... 4

Viewing measurements......................................................................................................................... 4

LED alert screen ................................................................................................................................... 5

Screen indicators .................................................................................................................................. 6

Settings ...................................................................................................................................................... 7

Frequency weighting and time response.............................................................................................. 7

Exchange rate (ER)............................................................................................................................... 7

Charging..................................................................................................................................................... 7

Windscreen................................................................................................................................................ 8

Positioning and tripod mount.................................................................................................................. 8

Calibrating ................................................................................................................................................. 9

Self help ..................................................................................................................................................... 9

Resetting ............................................................................................................................................... 9

Appendix A: Specifications .................................................................................................................. 10

Standards................................................................................................................................................. 10

Mechanical characteristics .................................................................................................................... 10

Electrical characteristics........................................................................................................................ 10

Environmental effects ............................................................................................................................ 11

Temperature Ranges .............................................................................................................................. 11

User Interface .......................................................................................................................................... 11

Display................................................................................................................................................. 11

Keypad ................................................................................................................................................ 11

Measurements......................................................................................................................................... 11

Calibration ............................................................................................................................................... 12

Charging................................................................................................................................................... 12

Special functions .................................................................................................................................... 12

ii. Table of Contents and Figures and Tables

Product information................................................................................................................................ 12

Accessories......................................................................................................................................... 12

Updates .................................................................................................................................................... 13

Warranty................................................................................................................................................... 13

Contact/Service information.................................................................................................................. 15

Technical Contacts.............................................................................................................................. 15

International Contacts ......................................................................................................................... 15

Service .......................................................................................................................................... 15

Technical Support......................................................................................................................... 15

Returning for Service .......................................................................................................................... 15

Figures and Tables

Figure 1-1: SD-200 overview ................................................................................................................... 1

Figure 1-2: Powered on with SPL screen displayed................................................................................ 2

Figure 1-3: Power off screen indication ................................................................................................... 2

Figure 1-4: Comparison of noise sampled over run-time (SPL & LEQ values)......................................... 3

Figure 1-5: LEQ/LAVG screen...................................................................................................................... 4

Figure 1-6: LED Alert screen ................................................................................................................... 5

Figure 1-7: Charging ................................................................................................................................ 7

Figure 1-8: Windscreen attached............................................................................................................. 8

Figure 1-9: Positioning and tripod mount................................................................................................. 8

Figure 1-10: Calibrating the SD-200.......................................................................................................... 9

Table 1-1: LED alert levels........................................................................................................................ 5

Table 1-2: Screen indicators ..................................................................................................................... 6

1 SD-200 Overview

SD-200 Overview

The SD-200 is intended to provide measurements of sound pressure levels in air.

With five easy-to-use keys, the keypad is used for powering on/off, viewing and/or

running measurements, navigating, and setting parameters. (See Table 1-2 for

more information.)

Note: for typical sound measurements when determining hearing protection,

the SD-200 may be set to “Aweighting”with “Slow”response.

Figure 1-1: SD-200 overview

Display

View measurements and screen indicators

Screen indicators

The screen indicators identify

settings and values

On/Off key

Powers the SD-200 On/Off

A/C frequency

weighting key

Press to select

Aor Cfrequency

weighting

Microphone with an attached windscreen

Fast/Slow time response key

Press to select fast or slow

time response

Mode key

Cycles through the measurements and

Run-Time screens

Run & Stop key

Runs and stops

integrating

measurements over the

Run-Time

LEDs

Used in the LED alert measurement screen

2Powering on

Powering on

Press key until the LCD turns on. (Warm-up time is about 5 seconds.)

When powered on, a self-test screen flashes with country code and revision level (e.g. U1.0)

and exchange rate (e.g.3 LEQ/5 LAVG). Then a measurement screen appears.

Viewing Sound Pressure Level (SPL)

The measurement screen will display the current Sound Pressure Level (SPL) in dB or the

previously viewed screen prior to powering off.

Note: no screen indicator appears for SPL.

Figure 1-2: Powered on with SPL screen displayed

Powering off

Once powered off, the SD-200 will save the instrument’s settings and measurements which

are displayed again when powered back on. The SD-200 will not power off while in run mode.

1. Press and hold key until OFF disappears. Releasing within two seconds will keep

the instrument powered on.

Note: while in run, the instrument will not power off until stop is pressed. If the

instrument powers off due to low battery, it will store the last viewed measurements.

(See “Resetting” for more information.)

Figure 1-3: Power off screen indication

On/Off key

To power On/Off,

press and hold for

about 2 seconds

Battery icon

If icon appears,

this indicates battery

is low and requires

charging

Indicator examples

Slow time response and A frequency

weighting indicators

SPL measurements

Value is displayed with no screen indicator

3Operating

Operating

Overview of operation

The list below is a brief overview of the steps for running a study.

Integrating measurements

Integrating measurements compute the average value over a period of time. In many work

environments, noise levels may be highly variable making it difficult to assess the sound level.

With the averaging function, you will see steadier values over the Run-Time (RT).

The chart below depicts the SPL and LEQ values measured over the RT. When the

measurements are compared, the SPL values measure the maximum and minimum values

while the LEQ provides steadier readings over the length of the study.

Figure 1-4: Comparison of noise sampled over Run-Time (SPL & LEQ values)

Quick Help List: typical sound session

1. Power on the SD-200 and ensure the windscreen is attached.

Note: if battery indicator appears, this signifies the instrument needs to be

charged. (See “Charging”)

2. Select the desired settings (A/C weighting, F/S response) and the desired measurement via

the keypad.

3. Position the SD-200 microphone so it is angled about 70 degrees from the noise source.

4. Measures: when first powered on, the SD-200 displays the current SPL or the last viewed

parameter prior to power off.

For integrated measurements, press key. (Noting the LEQ/LAVG values will provide

steadier values over a period of time.)

To view measurements, repeatedly press key and the SD-200 will toggle through

the various screens (SPL, LEQ/LAVG, LED Alert , MAX, MIN, Run-Time .)

5. Power off the instrument.

Integrating example

LEQ provides steadier

values (about 90 dB) over

the RT

4Operating

Running and stopping

The run and stop keys are used to start and stop the Run-Time for integrating

measurements which include: LEQ/LAVG (see Table 1-2 for more information), LED

Alert , MAX, and MIN screens.

1. While powered on, press key. The icon appears.

Note: While in run mode, the settings cannot be changed. (See “Settings”for

more information.)

2. To stop, press key. The icon disappears.

Viewing measurements

The mode key is used to view each measurement screen with its related value.

There are six measurement screens: SPL (no measurement indicator), LEQ/LAVG*,

MAX*, MIN*, LED alert *, and Run-time * screens (*while integrating has

occurred).

Figure 1-5: Measurement screens

Measurement screen examples

(1) SPL screen (2) LEQ/LAVG (3) LED Alert (4) MAX (5) MIN (6) Run-Time

1 2 3

4 5 6

Integrating

Run indicator and LEQ displayed

Mode key

The mode key cycles through the measurements

5Operating

LED alert screen

The LED alert screen displays LEQ/LAVG measurements, a detection icon ,

and activated LED indicator levels. This measurement screen provides an

alternative view to detect the average dB levels with visual preset LED noise levels.

Please refer to Table 1-1 for the levels.

Figure 1-6: LED alert screen

Table 1-1: LED alert levels

LED Alert Levels

Description

Green LED

Flashes when measurements are between 80 to 85 dB

Yellow LED

Flashes when measurements are between 85 to 105 dB

Red LED

Flashes when measurements are above 105 dB

Detection icon

appears on

measurement

screen with

activated LEDs

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