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Introduction 

  

Congratulations on your purchase of the Triplett SLDL20 Sound Level Meter 
Datalogger. This device measures and stores approx. 129,920 readings. 
Using the supplied Windows

™ software, the datalogger can be configured 

for datalogging rate, high/low alarm limits, frequency weighting, response 
time, start-mode, and other parameters. The software is also used to 
download the stored data to a PC. Sound Level data can then be graphed, 
printed and exported to other applications. The data logger is supplied with a 
long-life lithium battery. This meter is shipped fully tested and calibrated and, 
with proper use, will provide years of reliable service. 
 

 

Safety  Information 

 
 

 

 

Read the following safety information carefully before attempting to 
operate or service the meter. Use the meter only as specified in this 
manual. 

 

Environment conditions

 

 

Altitude: 2000 meters max. 
Relative humidity ≤ 90% RH 
Operation Ambient 32 to 104°F (0 to 40°C) 
 

 

Maintenance & Cleaning 
 

Repair or servicing not covered in this manual should be performed by 
qualified personnel.  
Periodically wipe the case with a dry cloth. Do not use solvents or 
abrasives.  

 

Safety symbols 

   

Complies with EMC

 

 

 
 
 
 
 

Summary of Contents for SLDL20

Page 1: ...User Manual SLDL20 Sound Level Datalogger...

Page 2: ...ons The data logger is supplied with a long life lithium battery This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service Safety Information Read th...

Page 3: ...top 2 Remove the two Phillips head screws that secure the battery compartment at the back of the meter 3 Open the battery compartment and replace the 3 6V lithium battery observing correct polarity 4...

Page 4: ...rd disk space for Datalogger USB software Monitor display resolution of 1024 x 768 with High Color 16 bit Main Menu File Save Save the recorded data to the disk Open Open a saved file Print Setup Chan...

Page 5: ...info dialog window Help About Display the software version number Help Topics Display the software help document Cal Adjust Calibration Adjustment The Cal Adjust feature corrects for error in the out...

Page 6: ...to 5 0 5dB to correct for the 0 5db error Click OK and the Total calibrated value is 5 statement will appear The calibration is now complete Datalogger Setup Click the icon on the menu bar The Setup...

Page 7: ...RT real time where readings are displayed in real time on a PC 5 The Datalogger frequency weighting can be set to dBA or dBC Note With A weighting selected the meter responds like the human ear boosti...

Page 8: ...e logging critical data Logging Readings with the Datalogger 1 Configure the Datalogger using the software as explained in this HELP utility 2 MANUAL LOGGING START With the datalogger in the Manual mo...

Page 9: ...Datalogger software program 3 Click the Download icon 4 The window shown below will appear Click DOWNLOAD to begin transferring readings The logger will be empty of data once readings are transferred...

Page 10: ...it record speed MAX reading MIN reading and AVG reading Zoom in 1 Click the left mouse button and drag a rectangle around the data area to be expanded 2 Release the mouse button 3 Use the horizontal s...

Page 11: ...s Setup Input the desired data range X Axis Setup Input the desired number of data points The graph will appear based on the corresponding settings Set the background color grid color and sound graph...

Page 12: ...view sound and low high alarms Check to add the x or y axes Mark Points Use dots on the traces that represent the actual data points essentially breaking up the continuous nature of the traces Import...

Page 13: ...ith the sound extension to be reopened in the Datalogger software program and also as a xls file to be opened in a spreadsheet program To open an existing data file for viewing on the data graph windo...

Page 14: ...on Green LEDflash Memory Full Indication Yellow LEDflash Data Output USB data traffic Power One 3 6 battery specs 14250 or 1 2AAA Electric Current When measuring 5 5mA when periphery power is o ff or...

Page 15: ...ot apply to any of our products which have been repaired or altered by unauthorized persons in any way or purchased from unauthorized distributors so as in our sole judgment to injure their stability...

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