Bogen SPLM Specsheet
The Bogen SPLM is a digital sound pressure level meter used to measure SPL in decibels, from 30
to 130 dB. It is portable, easy to use, and ideal for measuring and monitoring noise and sound in any
environment. The unit can be used for independent on-site readings or set to monitor and measure
dB variances in an area over a period of time. When connected to a PC or laptop, and using
SoundLAB software (downloadable for free), you can analyze the recorded measurements.
• Removable windscreen filters out wind noise
• 1/2" Condenser microphone
• Large 2-1/8” LCD screen with 4-digit readout
• Resolution: 0.1 dB
• Automatic backlight with Light sensor
• AC analog signal output jack
• Pulse Width Modulation (PWM) output jack
• Fast/Slow time weighting selections
• Wide measuring range: 30 to 130 dB, including
selectable 50 dB dynamic ranges
• Calibration potentiometer
• Bar graph and over/under indication
• A/C Frequency weighting selections
• MAX value hold function to lock maximum reading
• Data record function, with data full indicator
• Fixed screw mount for tripod use
• USB jack for connection to PC for data record
downloading, real-time data sampling analysis,
and printing graph and data functions (requires
software download from Bogen website)
• Calendar function (year, month, date)
for dB recordings
• Time display (hour, minute, second)
• Requires 4 AA batteries (included), with
on-screen battery life indicator
• 10-Minute auto power off
• On/Off power button
• Designed to IEC 651 Type2 and ANSI S1.4
Type2 standards
• Carrying case included
Features
Description
Specifications subject to change without notice.
© 2013 Bogen Communications, Inc.
54-8023-64A 1309
Digital Sound
Pressure Level Meter
Model SPLM
50 Spring Street, Ramsey, NJ 07446, USA
Tel.: 201-934-8500 • Fax: 201-934-9832
www.bogen.com
Technical Specifications
Measurement Range
............
30 to 130 dB(A/C)
Measuring Level Ranges
....
30 to 80, 50 to 100, 60 to 110, 80 to 130, 30 to 130 dB(A/C)
Accuracy
............................
+/- 1.5 dB (reference sound pressure standard,
94 dB @ 1 kHz)
Frequency Response
..........
31.5 Hz to 8.5 kHz
Resolution
..........................
0.1 dB
Dynamic Range
..................
50 dB/100 dB (dependent on range)
Overload Indication
............
OVER / UNDER
Frequency Weighting
..........
A and C
Time....................................
Fast and Slow
Digital Display
....................
4 Digits
Analog Bar Graph
................
1 dB / bar (2 dB/bar for 30 to 130 range)
Sampling Rate
....................
0.05 seconds
AC Signal Output
................
4 VRMS @ full bar graph, output impedance
600 ohms (3.5 mm connector)
PWM Signal Output
............
Duty = 0.01 x dB Value
x 100%
(3.5mm connector)
Cycle 3.3
Calendar Accuracy
..............
+/- 30 seconds per day
Data Storage Quantity
........
4700 Points
Auto Power Off
....................
10 minutes of no activity
Microphone Type
................
1/2- inch Condenser
Power Requirements
..........
4 AA alkaline battery (included), or 6V external
Dimensions
........................
2-3/4” W x 9-3/8” H x 1-3/8” D
Product Weight
....................
11 ounces (with batteries)
Battery Life
..........................
10 hours continuous use (alkaline batteries)
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