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For example, assume a reading of 94.5dB when the datalogger is connected 
to a 94.0dB calibration signal. 

Set the "Adjustment Value" 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 window will appear as 

shown below; Descriptions for each field in the Setup window are 
provided directly below the illustration: 

 
 
 

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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