Lutron Electronics DS-9200 Manuel utilisateur

Real time datalogger, RS232/USB

Frequency weighting and Time weighting

meet IEC 61672 class 2 ,

Personal sound exposure meet IEC 61252

Noise Dosimeter

Model : DS-9200

Your purchase of this

Personal sound exposure

Noise Dosimeter with

DATALOGGER marks a

step forward for you

into the field of

precision measurement.

Although this METER is

a complex and delicate

instrument, its durable

structure will allow

many years of use if

proper operating

techniques are

developed. Please read

the following

instructions carefully

and always keep this

manual within easy

reach.

OPERATION MANUAL

TABLE OF CONTENTS

1. FEATURES...................................................................................................................

2. SPECIFICATIONS..........................................................................................................

3. FRONT PANEL DESCRIPTION..........................................................................

4. MEASURING PROCEDURE...........................................................................................

4-1 Sound Pressure Level

Measurements (SPL).................................

4-2 Running the Dose Meter Noise Survey (DOSE %)…………………..

4-3 Data Hold..........................................................................................................

4-4 Data Record ( Max., Min. reading )................................................................................................................

4-5 LCD Backlight ON/OFF…………………………………………………………………

5. DATALOGGER........................................................................................................

5-1 Preparation before execute datalogger function.....................................

5-2 Auto Datalogger ( Set sampling time ≧

1 second )...........................................................................................

5-3 Manual Datalogger ( Set sampling time = 0 second ).......................................................................

5-4 Check time and sampling time information.........................................................................................

6. ADVANCED SETTING........................................................................................................

6-1 Set clock time ( Year/Month/Date, Hour/Minute/ Second ).....................................

6-2 Set sampling time ............................................................................................

6-3 Auto power OFF management ........................................................................

6-4 Set Criterion level in dB.......................................................................................

6-5 Set Threshold in dB....................................................... 16

6-6 Set Exchange rate in dB..................................................................................

6-7 Check Memory space....................................................................................

6-8 Set Clear Memory....................................................................................

7. BATTERY REPLACEMENT...............................................................................................

8. RS232 PC SERIAL INTERFACE

....................................................................................................

9. FREQUENCY WEIGHTING CHARACTERISTICS

OF A & C NETWORKS..............................................................................................................

10. TIME WEIGHTING (FAST & SLOW)

CHARACTERISTICS..........................................................................................................

1. FEATURES

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2. SPECIFICATIONS

Circuit &XVWRPVLQJOHFKLSPLFURSURFHVVRU LSI

circuit.

Display LCD size : 35 x 30 mm.

LCD with green backlight ( ON/OFF ).

Measurement SPL : Sound pressure level

Type Dose：test noise exposure

Measurement SPL：Auto 35 - 130 dB.

Range Dose：70～130dB

Resolution 0.1 dB.

Function dB ( A & C frequency weighting ),

Time weighting ( Fast, Slow ),

Data hold

Record ( Max., Min. ).

Accuracy Characteristics of " A " frequency weighting

(23 ±5 ℃) network meet IEC 61672 class 2.

Under 94 dB input signal, the accuracy

are :

31.5 Hz ±3.0 dB

63 Hz ±2.0 dB

125 Hz ±1.5 dB

250 Hz ±1.5 dB

500 Hz ±1.5 dB

1 K Hz ±1.0 dB

2 K Hz ±2.0 dB

4 K Hz ±3.0 dB

8 K Hz ±5.0 dB

Remark :

The above spec. are tested under the

environment RF Field Strength less

than 3 V/M & frequency less than 30

MHz only.

Frequency

Weighting

Network

Characteristics of A & C.

A weighting:

This characteristic is simulating the "Human

Ear Listening" response. Typically, when

making ambient or environmental sound

level measurements, always select A

weighting.

C weighting:

This characteristic is near the "FLAT"

response. Typically, it is suitable for

checking the noise of machinery (Q.C.

check) & knowing the sound pressure level

of the tested equipment.

Time Fast - t = 125 ms

weighting *"Fast" range is simulating the human ear

(Fast & Slow) response time weighting.

Slow - t = 1 s

* "Slow" range is easy to get the average

values of vibration sound level.

Data hold To freeze the measurement value.

Function selector

SPL Auto range：35～130dB.

DOSE Threshold Level(Thr)：70～90dB in 1dB steps.

Criterion Level(Crit)：80、84、85、90dB.

Exchange Rate ：3, 4, 5 or 6 dB

Frequency 31.5 to 8,000 Hz.

Microphone Electret condenser microphone.

type

Microphone 2.7 mm (1/2 inch).

diameter

Calibration VR Built in external calibration VR, easy to

calibrate at 94 dB level with a screw driver.

Calibrated via external SOUND

CALIBRATOR like optional SC-942.

Calibrated at

factory with

B & K (Bruel & kjaer), MULTIFUNCTION

ACOUSTIC CALIBRATOR Type 4226.

Advanced

settings

* Set clock time (Year/Month/Date,Hour/Minute/ Second)

* Set sampling time

* Auto power OFF management

* Set Criterion level in dB

* Set Threshold in dB

* Set Exchange rate in dB

* Check Memory space.

* Set Clear Memory

Overage Indication " - - - - ".

Data Hold Freeze the display reading.

Memory Recall Maximum & Minimum value.

Sampling Time Approx. 1 second.

of Display

Data Output RS 232/USB PC computer interface.

Connect the optional RS232 cable

UPCB-02 will get the RS232 plug.

Connect the optional USB cable

USB-01 will get the USB plug.

Power off Auto shut off saves battery life or

manual off by push button.

Operating 0 to 50 ℃.

Temperature

Operating Less than 85% R.H.

Humidity

Power Supply

* AC/DC power adapter is optional.

Alkaline or heavy duty DC 1.5 V battery

( UM4, AAA ) x 3 PCs, or equivalent.

Power Current Normal operation :

Approx. DC 8 mA.

* AC/DC power adapter is optional.

If LCD backlight on, the power

consumption will increase approx.

DC 10 mA.

Weight 250 g/ 0.55 LB. (without battery)

Dimension HWD 116 x 45 x 20 mm (4.6 x 1.8 x 1.2 inch).

Accessories

Instruction manual......................................... 1 PC

Included

Soft carrying case, CA-05A…………………………....

1 PC

Microphone …………………………………….. 1 PC

Clip...................................................................................

1 PC

Optional

Sound calibrator ( 94 dB ), SC-941.

Accessories

Sound calibrator ( 94/114 dB ), SC-942.

Sound wind shield ball, SB-01

USB cable, USB-01.

RS232 cable, UPCB-02.

Data Acquisition software,

SW-E2005.

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 Power Button( Backlight Button ).

3-2 Hold Button .

3-3 RUN/PAUSE Button( REC )

3-4 Display.

3-5 Hanging holes.

3-10 Battery compartment and

Screw of the battery cover

3-11 Tripod Fix Nut

3-12 RS232 Output

3-13 Microphone input jack

3-14 Microphone

3-6 ▲ Button (DUR/BEG ,Fast/Slow)

3-15 Microphone plug

3-16 Battery cover /scurw

3-7 ▼ Button (TIME , A / C)

3-8 FUNC. Button(SET Button )

3-9 ENTER Button (LOG Button )

4. MEASURING PROCEDURE

4-1 Sound Pressure Measurements (SPL)

In SPL mode the display shows readings of

the sound pressure level.

b. The characteristic of A weighting is simulated as

the " Human Ear Listening " response.

Typically always select the A weighting module when

1) Power ON the meter by pressing and holding the ▼ Button

( 3-7, Fig. 1 ) for at least 2 seconds,

the display will show the Symbol "xx.x dB ,A, FAST ,Auto".

2) Frequency weighting select

To select the frequency weighting ( A or C), press the

▼Button ( 3-7, Fig. 1 ) once to change weighting ( A or C).

Note :

a. The characteristic of A weighting is simulated as the

" Human Ear Listening " response.

Typically always select the A weighting when makes

environmental sound level measurement.

makes environmental sound level measurement.

b. The C weighting characteristic is near the " FLAT "

c. The C weighting characteristic is near the " FLAT "

response. Typically it is suitable for checking the

noise of machinery ( Q.C. check ) & knowing the

real sound level of the tested equipment.

3) According to various measuring sound source, How select the

Time Weighting ( Fast or Slow ) by press ▲ Button

( 3-6 , Fig. 1 ) to change Time Weighting ( Fast or Slow ) .

Note :

a. If select the function of " Fast " time weighting, the display

will show the unit of " FAST".

b. If select the function of " Slow " time weighting, the display

will show the unit of " SLOW ".

4-2 Running the Dose Meter Noise Survey

1) In " SPL" mode to select the "

DOSE "

mode by

press the" FUNC. button" ( 3-8 Fig 1 ) once into the DOSE mode .

then press the" RUN button" ( 3-3 Fig 1 ) once the dosimeter

will be start the DOSE Function .

2) In "DOSE" mode, display will show DUR(duration) ,

0.00(cumulative dose) , 00 :00(current time) ,

A(Frequency weighting) , %DOSE(Dose mode) ,

FAST(Time weighting).

3) In Dose mode , Pressing and holding the " Time Button "

into setting , SET" DATE→SP-t→PoFF

→LC→LT→ER→SPC→CLrE→DAtE".

Remark: into the seting mode ,if >8 sec. without chang seting ,

will ESC the seting mode.

Note :

a:LC(Criterion Level) : 80、84、85、90dB.

b:LT(Threshold Level) : 70 to 90dB in 1 dB steps.

c:ER(Exchange Rate) : 3, 4, 5, or 6 db.

d:pressing the " Power Button" to leave the set mode.

e:Factory default settings : LC→90 , LT→70 , ER→3.

4) According to various measuring sound source, Pressing and hold the

" Time " Button ( 3-9, Fig. 1 ) to select the Time Weighting

( FAST or SLOW ) .

5) In DOSE mode , pressing and holding the ▼ button ,

display is shown and DUR , xx : xx (h : m ) ,

pressing the ▲ or ▼ button adjustment measurement

time, pressing Enter button to save the satting and leave setting .

24 Hr 12 Hr 10 Hr 8 Hr 4 Hr

2 Hr 1 Hr 30 minutes 15 minutes 10 minutes

5 minutes 1 minutes

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