General-tools-and-instruments DSM403SD Manual do Utilizador

CLASS 1 SOUND LEVEL METER WITHEXCEL-FORMATTED DATA LOGGING SD CARDUSER’S MANUAL DSM403SDPlease read this manual carefully and thoroughly before using

SPECIFICATIONS Display type LCD with green backlightDisplay size 2.05 x 1.5 in. (52 x 38mm)Parameter measured dBFrequency range 31.5 Hz to 16 kHzMeasu

Operating temperature 32º to 122ºF (0º to 50ºC)Operating relative humidity 0 to 85%Power source 6 “AA” batteries or optional 9-VDC AC adapterPower co

RETURN FOR REPAIR POLICY Every effort has been made to provide you with a reliable product of superior quality.However, in the event your instrument r

TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Key Features . . . . . . . . . . . . .

INTRODUCTION Thank you for purchasing General Tools & Instruments’ DSM403SD Class 1 Sound LevelMeter with Excel-formatted Data Logging SD Card. Pl

4TOPRIGHTSIDEBACKBOTTOMFRONT1-1 LCD 1-2 POWER/ESC button 1-3 HOLD/NEXT button1-4 REC/ENTER button1-5 ▲button1-6 ▼button1-7 SET button1-8 LOGGER button

SETUP INSTRUCTIONS1. Choose the power source. Before using the DSM403SD, be sure it is powered by freshbatteries or an optional 9VDC AC adapter plugge

5. Enable or disable auto power off (APO). Once the format of decimal point divisions hasbeen set and stored, the display will show the word “yES’ ove

3. Press the SET button on the DSM403SD (callout 1-7 of Fig. 1), which has the term“Fast/Slow” stenciled below it. If the word “FAST” is displayed, mo

3. To switch from fast time weighting (the meter’s default setting) to slow timeweighting, press the SET button, which has the term “Fast/slow” stenci

Also be sure that the meter either is running on fresh batteries or is being powered by ACthrough a 9VDC adapter.1. To start automatic data logging, p