54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 1 SPLM DIGITAL SOUND PRESSURE LEVEL METER I NSTRUCTION Specifications are subject to change without notice. © 2013 Bogen Communications, Inc.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 2 TABLE O F CO NTENTS 1. DESCRIPTION Introduction ..............................................................1 Package Contents ...................................................1 Product Highlights....................................................1 Diagram/Features of the SPLM............................2, 3 LCD Display Callouts ...............................................4 Specifications...............................................
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 3 1. DESCRIPTION Introduction: The SPLM has been designed to meet the measurement requirements of audio engineers, audio installers, noise quality control, health prevention in various environments and all other noise measurement applications. Package Contents: The Bogen Digital Sound Pressure Level Meter comes with the following items: • Sound Pressure Level Meter • Windscreen • USB Connecting Cable • Signal Output Wire • 1.
54-2221-01A_SPLM Manual 7.
4-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 5 Features of the SPLM Unit 1. Windscreen- For use outdoors, prevents wind noise from affecting the SPLM reading. 2. Condenser Microphone 3. LCD Display Screen 4. 5. Power Button - Turns the SPLM Unit ON or OFF. Level Button - Level range selection button & setting key. 6. Light Sensor 7. MAX CLOCK Button - Maximum value hold and date/time setting key. 8. A/C CLEAR Button - Frequency weighting selection and recorded data deletion key.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 6 LCD Diagram & Features 1. Level Range Setting 10. A/C - Indicates Frequency Weighting, A or C 2. DATE - Calendar Date (year, month, day) 11. Reading Display 12. TIME - Calendar Clock (hour, minute, second) 3. MAX - Maximum SPL Value 4. SPL - Sound Pressure Level 5. 13. Bar Graph Low Battery Indicator 14. 6. USB - USB Connected 7. RECORD - Data Recording Signals that the reading is over the maximum range. 15.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 7 Specifications Measurement Range: 30 to 130 dB A, 30 to 130 dB C Accuracy: +/- 1.5 dB (reference sound pressure standard, 94 dB @ 1 kHz) Frequency Response: 31.5 Hz to 8.5 kHz Resolution: 0.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 8 2. OPERATING INSTRUCTIONS Battery Installation: REAR VIEW 1. Remove the battery door and insert 4 AA alkaline batteries into the battery compartment. BATTERIES (4 AA) 2. Replace the battery door. 3. When the battery voltage drops below the operating voltage, a Low Battery Indicator icon appears on the display. Replace the batteries in the SPLM with new batteries.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 9 Calendar Setting: Setting Date and Clock Start with the SPLM Unit OFF. 1. While holding down the MAX CLOCK Button, turn the unit ON with the POWER button. 2. When the LCD screen flashes the first digit of the calendar year (see Figure 2), release the MAX CLOCK button. Press the LEVEL Figure 2 UP or DOWN button to adjust the date. After adjusting the first digit, press the MAX CLOCK button to adjust the next digit.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 10 Level Range Selection (contʼd): 30 – 130 (default) 3. Press the LEVEL UP or DOWN button to select your desired measuring range: 30 to 130 (default), 30 to 80, 50 to 100, 60 to 110, or 80 to 130.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 11 Level Range Selection (contʼd): 4. If the measuring range is higher than the actual SPL level, the LCD screen will display the UNDER icon. (For example, if the Level set is 60 to 110 but the actual sound level is lower than 60 dB.) Press the LEVEL DOWN button to lower the range until the UNDER icon disappears: 5. If the measuring range is lower than the actual SPL level, the LCD screen will display the OVER icon.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 12 Time Weighting Selection: 1. The default time weighting is FAST and the LCD screen display is: 2. Press the F/S RECORD button to SLOW. The LCD screen display changes to: NOTE: Selecting SLOW will provide a 1 second averaged reading. Frequency Weighting Selection: 1. The default frequency weighting is A and the LCD screen display is: 2. Press the A/C CLEAR button to change the frequency weighting to C.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 13 MAX Value Measurement: 1. During the measurement process, press the MAX CLOCK button to hold the maximum reading. The LCD displays as follows: 2. Press the MAX CLOCK button again to exit the maximum value measurement and return to the normal measurement mode. Data Record: 1. Press and hold the F/S RECORD button until the Record interval is displayed. Press LEVEL UP or DOWN to adjust the record interval (in secs).
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 14 PC Connection Minimum requirements for connection with a PC: • CPU: Pentium 600 MHz or higher • One USB interface port • Resolution of 800 x 600 (True Color) • 8 MB available memory • 50 MB available disk memory • Operating system: Microsoft Windows XP/ Vista / Windows7 1. Insert one end of the USB cable into the USB jack on the side of the SPLM. 2. Plug the other end of the USB cable into the USB interface port on the PC.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 15 3. IMPORTANT UNIT INFORMATION 1. Do not store or use the SPLM in the following conditions: • Near rain, water, or dust filled environments • Air with high salt or sulfur content • Air with other gases or chemical materials • High temperature or direct sunlight 2. Do not impact the SPLM directly. 3. Do not use the SPLM in humid conditions.
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 16 50 Spring Street, Ramsey, NJ 07446, U.S.A. Tel. 201-934-8500 • Fax: 201-934-9832 www.bogen.
