Main
3MTM SoundPro Sound Level Meter
Dangers, Warnings, Cautions & Battery
T AB LE OF CONTENTS
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TABLES
xii Table of Contents
1 Models and options
Octave bands
Introduction
Models and options
Figure 1-1: SoundPro Models SE and DL and Option 1 and Option 2
Class/Type 1
Frequency resolution
Octave bands
Third -octave bands
Naming bands
4 Frequency resolution
Analysis type
STI-PA -Speech Intelligibility
Logging explained
Physical Characteristics
The Display
Hardware interfaces
Memory card slot
AC/DC port
Power jack
Auxiliary port
Information screen
Screen contents
Detection Management Software DMS
DMS Start Page
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Getting Started
Checking the equipment
Installing the preamp
Microphone and accessories
13 Microphone and accessories
Class/Type 1 and Class/Type 2 instrument
BK4936 microphone - Remove the microphone from its case and thread it on the
All other Class/Type 1 microphones - Remove the microphone from its
Class/Type 2 microphones Remove the
Providing power
Installing Batteries
Battery power explained
Checking or changing type
16 Providing power
Battery Check screen
Using power supply or auto adapter
Turning on
Start screen and the keypad
SoundPro functionality
The keypad explained
Indicators explained
Navigating
Turning off
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Basic setups
Changing microphone settings
Time and date
Measurement type (SLM, 1/1, 1/3, STI-PA, RT60)
Meter 1/Meter 2 Parameters (i.e. response time, weighting)
Figure 3-4: Meter 1 and Meter 2 parameters
Measurement setup (for community noise)
C-A measurement settings
Logging
Logging options
Exceedance level
Filters
Setting logging options
Setting up display options
Language
Backlight
Contrast
Advanced setups
setups.
Auto-Run
Setting up auto-run
Date setting
Days of week setting
Auto-run shutdown screen
Auto-run shutdown screen explained
Timed run setting
Level-triggered auto-on setting
5. To select the Mode, press Enter repeatedly until you are viewing
Locking setup or run mode
Setting secure run or secure setup (locking)
About Secure Run
About Secure Setup
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Disabling secure run or secure setup (unlocking)
Secure code backup number
Digital outputs/Triggering
Tracking runs
Enabling or Disabling run/pause digital outputs/triggers
Digital outputs and SPL
Managing SPL digital outputs (See Figure 4-13 above)
Communications
QSP/Serial
Mass Storage
Viewing real-time measurements remotely
GPS The SoundPro has the capability of embedding GPS information into s tudy
GPS display
GPS explained
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Preparing to measure & running
Virtual meters
Meter 1/Meter 2 explained
Measurement notation (IEC/ISO)
Overview of running a session/study
59 Preparing to measure
Explanations
Preparing to measure
Sessions and Studies
The following components explain how the data is stored on the instrument.
Table 5-2: Sessions and studies explained
CAUTION: The memory card should not be inserted or removed during a study you can lose data.
Measurement range
- NOTE: The bar chart screen may appear with a different measurement
Calibrate
Calibration screen
Pre-Calibration
Post-Calibration
Performing a calibration
63 Calibrate
Figure 5-3: Setting pre-cal screen
Figure 5-4: Calibration history screen
Running a session/study
Measurement navigation
Using softkeys in measurement screens
Changing displayed measurement
Analysis type, time response and weighting
Measurement screen icons
Descriptor types
Measurement screens
Bar Chart and Filtered Bar Chart
Community Noise screen
Dosimetry screen
Dosimetry measurements
Tabulation screens
1/1 and 1/3 octave analysis measurement results
Time History/Back-erase screen
Back-erasing
Results of back-erasing
Stopping a session
Stopping and pausing
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RT60, Curves, and STI-PA
6
Additional options
Reverberation
Reverberation time (RT60)
Reverberation (RT60) methods
Interrupted noise
Impulse noise
80 Additional options
Reverberation options
For Interrupted Noise method, level below this threshold will trigger
For Impulse method, levels above this threshold will trigger the start
Setting up reverberation
Running reverberation test
Reverberation results
RT60 summary screen
Viewing RT60 values of each band
Deleting RT60 value in a filtered band
Decay curve screen
Tabular RT60 screen
Curves
Captured curves
Captured curve applications
88 Captured curves
Setting up captured curves
Setting up Captured Curves Settings and measurement set tings
1. From the start screen, select either 1/1 octave or 1/3 octave for the
2. Next, select the measurement type, by selecting View Session (use
89 Captured curves
8. Depending on your selection in step 4, refer to the following:
Figure 6-9: Captured Curves and Survey mode
Running captured curves
Criterion curve families
Types of Criterion Curves
Setting up criterion curves
93 Criterion curve families
3. Press On/Off/Esc to return to the start screen.
4.
Figure 6-13: Curves setup screen example
Audiometric background curves
Setting up audiometric background curves
Running and viewing curves
Curve measurements and results
Speech Intelligibility
STI-PA testing
Zones
Selecting STI scale or CIS scale
99 Speech Intelligibility
STI scale
Common Intelligibility Scale (CIS)
Conducting a STI-PA test (overview of steps)
STI-PA setup
101 Speech Intelligibility
Press the first softkey repeatedly until STI-PA appears.
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103 Speech Intelligibility
Conducting a level setup (for STI-PA)
The average dB level is displayed when in stop mode.
Figure 6-20: Level set-up and average decibel level
Running a speech intelligibility study
1. The SoundPro should be powered on and you should be viewing the STI-
STI-PA results screens
STI-PA measurement and scale results screen
STI-PA modulation screen
STI-PA modulation envelope screen
Storing background noise/capture curve
107 Speech Intelligibility
When the level is stabilized, press the Capture key. (See Figure 6-26.)
Applying captured curves for STI-PA testing
Applying captured curves
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Viewing Past Measurements
Files
File directories
File directory screen explained
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Loading and deleting files
Session directory
Navigating in a session/config. directory
Naming and renaming files
Configuration directory
Saving (& naming) setup file (config. file)
Viewing, loading, deleting setup files (config.)
Memory card
Compatibility
Formatting a card with the SoundPro
CAUTION: A Quick Format may be used to delete all files fr om the card.
Communicating
Communicating with a PC
Using Detection Management Software DMS
Using an external card reader
Working with measurement data in DMS
DMS and working with SoundPro data
A
B
A B C
AC/DC output
AC/DC output
AC output
Table 8-1: AC output
DC output
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Specifications
Conformance to standards
Acoustics
EMC emissions and immunity
References
Electrical characteristics
Power sources
Internal power
External power
Preamplifier (removable)
Meters
Bandwidth
Octave filters (optional)
Third-octave filters (optional)
Environmental effects
Temperature
Humidity
User interface
Display
Keypad
Languages
Input/output
AC/DC outputs
Communications ports
Measurements
Types
Ranges
Measurement parameters
Other
Calibration
Studies and sessions
Special features
Security
Back-erase
Logging (optional)
Part numbers
Replacement parts
Appendix A
134
Optional parts
Port pinouts
AC/DC jack
Auxiliary connector
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Glossary of Terms
C-A
Center frequency
CNEL
Criterion Level
CT
dB
Dose
Dynamic range
ExpHrs
ExpSec
EXP
2
H
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NCB (Balanced Noise Criterion Curves )
Noise Criterion Curves (NC)
Noise Rating Curves (NR)
Noise Floor
Overload (OL)
PTWA
Peak C
Preferred Noise Criterion (PNC) Curves
Projected time (Prt)
Reference pressure
Response time (F,S, I)
Room Criterion Curves (RC)
SEL
SPL
SPL 20 log L L
Weighting (A, C, Z, F)
Windscreen
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Customer service
C
Customer service
Contacting 3M Instrumentation
International customers
Warranty
APPENDIX D: INDEX
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Index
153
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About Us
About 3M Personal Safety