Related Manuals for General DSM402SD
Summary of Contents for General DSM402SD
- Page 1 DSM402SD USER’S MANUAL SOUND LEVEL METER WITH DATALOGGING SD CARD Please read this manual carefully and thoroughly before using this product.
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction ....... . . 3 Key Features ....... . 3 Operating Instructions . -
Page 3: Introduction
USB card reader. The data logs are stored on the card as files with the .xls extension, which can be opened by Microsoft’s Excel application. The DSM402SD has a backlit 2-1/2 in. diagonal display and is powered by six “AA” Alkaline batteries or an optional 9V AC/DC adapter. -
Page 4: Operating Instructions
OPERATING INSTRUCTIONS WHAT’S IN THE CASE The DSM402SD comes fully assembled in a hard carrying case along with a sound wind shield ball, a 2 GB SD memory card and this user’s manual. Optional accessories available from General Tools & Instruments include a 94 dB or 94/114 dB sound calibrator and a 9VDC adapter for a 110V power supply. -
Page 5: Setup
Now power on the instrument by pressing the POWER/ESC button (callout 1-2) to generate a short beep. (To power off the DSM402SD, press the POWER button and hold it until the instrument responds with a long beep.) When the meter powers on, a series of transient startup screens will briefly appear. -
Page 6: Calibrating The Meter
Power on the sound calibrator and manually set its range to 50 to 100 dB. 2. On the DSM402SD, manually set its range to 50 to 100 dB as well by pressing the button (which has the word “Range” stenciled above it) once. The display will then show the first of three range options: “30 –... -
Page 7: Normal Operation
3. Press the SET button on the DSM402SD (callout 1-7 of Fig. 1), which has the term “Fast/slow” stenciled below it. Press either the M or button until the word “FAST” appears on the display. Press the REC/ENTER button to select and store this setting as the temporary default. -
Page 8: Holding And Storing Measurements
AUTOMATIC VS. MANUAL DATALOGGING The DSM402SD can automatically log data at a user-selected sampling period from 1 second 3,600 seconds (one hour). To view the sampling time that the instrument has been set up to use, press the M button (which has the words “Sampling check” stenciled below it) once. -
Page 9: Transferring Data From The Sd Card To A Computer
3. To end automatic datalogging, press the REC/ENTER button and hold it for at least two seconds. This action causes the “REC” message to disappear. 4. To log data manually, set the sampling time to zero using Step 7 of the setup procedure. -
Page 10: Specifications
SPECIFICATIONS Embedded microcontroller Custom one-chip LSI device Display type Liquid-crystal with green backlight Display size 2.05 x 1.5 in. (52 x 38mm) Parameter measured Frequency range 31.5 Hz to 8 kHz Measurement range 30 to 130 dB in autoranging mode; user can also select fixed range of 30 to 80 dB, 50 to 100 dB, or 80 to 130 dB Measurement weighting By frequency and time;... -
Page 11: Maintenance Tips
Acceptance of the exclusive repair and replacement remedies described herein is a condition of the contract for purchase of this product. In no event shall General be liable for any incidental, special, consequential or punitive damages, or for any cost, attorneys’ fees, expenses, or losses alleged to be a consequence of any damage due to failure of, or defect in any product including, but not limited to, any claims for loss of profits. - Page 12 New York, NY 10013-3567 PHONE (212) 431-6100 FAX (212) 431-6499 TOLL FREE (800) 697-8665 e-mail: sales@generaltools.com www.generaltools.com DSM402SD User’s Manual Specifications subject to change without notice ©2010 GENERAL TOOLS & INSTRUMENTS NOTICE - WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS. MAN#DSM402SD 12/03/10...