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Center 390 Instruction Manual Download Page 20

4 / F NO. 415, Jung-Jeng Rd., 238 Shu-Lin, Taipei, Taiwan

TEL: 886-2-26763926 E-Mail : [email protected]
FAX: 886-2-26763925 http

: / / www.centertek.com

GCA000390-02000

CENTER TECHNOLOGY CORP.

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Summary of Contents for 390

Page 1: ...390 Data Logger SOUND LEVEL METER SE 390 ...

Page 2: ...GGER INTERVAL SETUP 7 6 1 Auto store 7 6 2 Clearing Stored Data From Auto Store 8 6 3 Manual store 8 6 4 Reading Stored Data From Manual Store 8 6 5 Clearing Stored Data From Manual Store 8 7 SETTING THE DATA AND TIME 9 8 CALIBRATION PROCEDURES 9 9 MEASUREMENT PREPARATION 10 10 OPERATING PRECAUTIONS 10 11 MEASUREMENT 11 12 SETUP TestLink SE 309 12 ...

Page 3: ... abrasives or solvents on this instrument Safety symbols Comply with EMC When servicing use only specified replacement parts 2 GENERAL DESCRIPTION Thank you for using our Data Logger Sound Level Meter To ensure that you can get the most from it we recommend that you read and follow the manual carefully before use Measurement settings and results level values and bar graph are shown on the backlit ...

Page 4: ...B under reference conditions 94dB 1KHz Dynamic range 100 dB Alarm function OVER is when input is more than upper limit of range UNDER is when input is Less than lower limit of range Data logging Capacity 31 000 records MAX MIN hold Hold readings the Maximum and Minimum Value AC output 1 Vrms at FS full scale DC output 10mV dB Power supply Four IEC LR6P AA size batteries Power life About 30hrs alka...

Page 5: ...ht 390g including battery Accessories 1 5V battery X 4pcs carrying case Screwdriver Instruction manual Windscreen 3 5φ plug software USB Cable Option AC Adapter Microphone Extension Cables 5m or 10m length 5 NAME AND FUNCTIONS ...

Page 6: ...icator Maximum Minimum indicator Time weighting indicator Level range indicator Bar graph Manual store indicator Time Memory address Recall indicator Frequency weighting indicator Level reading Date Over range signal indicator Memory full Recording datalogger indicator Under range signal indicator ...

Page 7: ...on the unit Keep holding button until the meter starts function Make sure the auto power off symbol disappears from display screen Note When the user powers it on the LCD will show how much internal memory space is available to use 2 RECALL button Serves to recall data from the manual store 3 REC button When press the button the unit will start recording and the symbol display To stop recording pr...

Page 8: ...ding mode The value displays on the screen is the present value To exit the maximum and minimum mode press and hold button down until the symbol is disappears 9 Back light button Press it to turn on the LCD backlight making it easier to read in dark environment Press it again to turn OFF backlight The backlight will turn itself off automatically after 30 seconds 10 A C button Sets frequency weight...

Page 9: ...terval time setup 1 Press button Int appears for interval as well as a flashing second display 2 Now set the desired recording interval in minutes and seconds Press or to increase or decrease number Max 1 minute can be set The minimum value is limited to 00 01 1s After setting has been performed actuate the press button once to get back to the display of the instantaneously measured values If you ...

Page 10: ...t the data number in which the data were stored The data are shown on the LCD When there are no data in a number the LCD shows 00 3 To terminate the recall mode press the button once more Note The battery indicator shows the remaining battery power The number of black bar decreases as the battery running out When the power is almost empty will disappear Press or button LCD display will show Lo bat...

Page 11: ...charged by the main batteries The clock will keep running for 30 minutes on the backup battery alone If the unit is not to be used for an extended period the main batteries should be taken out to prevent possible damage due to battery fluid leakage After reinserting the batteries be sure to set the date and time 8 CALIBRATION PROCEDURES 1 Make the following switch settings Display dBA Time weighti...

Page 12: ...erating the unit on batteries periodically check this indicator to determine the remaining battery capacity 3 AC Adapter Connection When the AC adapter is used insert the plugs of the adapter into the DC9V connector on the bottom panel Note When the AC adapter is connected the unit will be powered form the adapter also when batteries are inserted The AC adapter has priority 10 OPERATING PRECAUTION...

Page 13: ...set response to FAST To measure average sound level use the SLOW setting Select A weighting for general noise sound level and C weighting for measuring sound level of acoustic material 2 Hold the instrument comfortably in hand or fix on tripod and point the microphone at the suspected noise source the sound pressure level will be displayed 3 When MAX MIN maximum minimum hold mode is chosen The ins...

Page 14: ...utable file and help file to your hard disk default is c program files SE390 For detailed other operation instruction please refer to the online help while executing SE390 Main Menu File Open Retrieve files from the disk Save Save the active window when the caption bar is highlighted data to the disk Print Print the data of the active window graph or list Printer Setup Select printer File Exit Ter...

Page 15: ...u can choose a rectangle area on the graph to zoom in for detail There are two vertical line CURSOR A and CURSOR B in the graph There are time and value display on top and right side of each cursor You can move mouse cursor over cursor A or B and click to drag cursor to move left or right Right below cursor A and B is a slider You can also click and drag slider to move cursor A or B Below the slid...

Page 16: ...lect the new extents 2 Release the mouse button To Undo the Zoom Right click on the graph there will be a pop up menu select Undo Zoom DataLogger When you have Sound Level DATA LOGGER meter connected to PC and select DataLogger from main menu or click from tool bar to load recorded data from the meter and there will be a progress indicator to show the loading progress if error occurs just click Da...

Page 17: ...ill display the same value as the Sound Level Meter If fail to connect the meter with PC it will display No Connection on the panel window in SE390 4 When the connection is successful click to start recording real time data and there will be a waveform on the Real Time Graph Window 5 Click to start recording 2 How to save the recorded real time data to a file 1 Click the graph window you want to s...

Page 18: ...recorded data from the memory of Sound Level Meter and save it to a file Only for the model with Data Logger 1 Power on the Sound Level Meter 2 Press the REC button of the meter to start recording data 3 After a while press REC button again to stop recording data 4 Connect the Sound Level Meter to PC 5 Start SE390 program 6 Choose Data Logger from main menu or click from tool bar 7 In reference to...

Page 19: ...s an EXCEL file format You can open it in EXCEL 3 How to uninstall SE390 Answer Uninstall SE390 by launching the Add Remove Programs applet out of the Control Panel highlighting the SE390 and clicking on the Add Remove push button then it will remove the SE390 folder and files from your computer 4 Why loading data fail Answer This might cause by the slow respond from some of the notebook PC system...

Page 20: ...4 F NO 415 Jung Jeng Rd 238 Shu Lin Taipei Taiwan TEL 886 2 26763926 E Mail center centertek com FAX 886 2 26763925 http www centertek com GCA000390 02000 CENTER TECHNOLOGY CORP ...

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