Manuals / 3M / Marine Equipment / SONAR

3M SE-400 user manual Frequency weighting sections 5.1.10 Weighting Nominal

Models: SE-400

1 121

Download 121 pages 13.87 Kb

Page 50

43

Data Addendum

Frequency weighting (sections: 5.1.10, 5.4.12)

A-Weighting Nominal

The graph below is the nominal A weighting frequency response

C-Weighting Nominal

The graph below is the nominal C weighting frequency response

Sound Examiner SE-400 Series

Image 50

3M SE-400 user manual Frequency weighting sections 5.1.10 Weighting Nominal

Contents

Sound Examiner 3MTM Sound Examiner SE-400 is Series Sound Level Meter 3MTM Sound Examiner SE-400 non-IS Models Sound Level Meter RevA Table of Contents Iii Table of Contents Figures Models and options IntroductionSound Examiner SE-400 Series overview Display and keypadKeypad Description Diagram and functionalityScreen components identified Keypad keys identifiedConnectors/Ports 3MTM Detection Management Software DMSGetting Started Checking the equipmentSoftkeys Screen indicatorsTurning on Measurement screen views Measurement/Start screenTurning off NavigatingCharging Charging statesSetup/instrument configuration Response time and frequency weighting settingsOpening the setup screen for instrument configuration Opening the Setup screenMeter settings Setting up meter parametersSE-400 Series information details Meter settings ExplanationsMeter settings explained  Unit Information screenTime and date setting  Setting the Time and Date parametersAuto-Run and setting timed run  Setting the Timed Run Secure run mode and secure setup mode locking & unlocking Security locking and unlocking run/setup Lock/unlock secure setup  Lock/unlock secure runDeleting files and viewing memory Resetting the SE-400 SeriesMemory and space  Viewing memory and/or deleting filesCalibrate Operation/Field TestingCalibrate, measure, run, and saved results Overview of running a sessionSE-400 Series and calibrating Calibration screen Windscreen MeasureLogged Data Measurement Explanations Parameters Positioning and tripod mountMeasurements and displayed parameters Measurement notationsMain/multi- measurement screen in Run mode Run, stop, and view resultsViewing past sessions 10 Session directory screenDownload and view logged data 12 Reviewing Session DataDMS & downloaded measurements 14 Downloading files from DMS to SE-400 SeriesSoundPatrol feature non-IS models only Connecting the printer and settingsPrint setup for summary reports  Changing the summary report print settingsCalibration Report Printing and reportsSummary Data Report Attaching the preamp Connecting an extension cableMicrophone preamp Sound Examiner non-IS models and logging rates Logging Rates seconds or minutes DaysMicrophones Acoustical CharacteristicsStandards/Directives Appendix aPhysical Characteristics Mechanical CharacteristicsEnvironmental Characteristics MeasurementsPorts and connections User Interface CharacteristicsPower/Electrical Characteristics Accessories sold separately SE-400 Series models and part numbersExchange Rate ER Glossary of TermsAppendix B Noise Reference pressure SPL/LAS Weighting A, C, Z Calibration Customer serviceWarranty Contacting 3M InstrumentationData Addendum SE-400 Series measuring to IEC Data AddendumMicrophone Weighting Correction in dB Effects of background noise sections 5.6.4, 5.6.5, 9.2.5dFrequency weighting sections 5.1.10 Weighting Nominal Weighting Typical Graph below is the Typical Z weighting frequency response Nominal Frequency Hz Nominal Nominal Frequency Hz Nominal corrections in dB Data Addendum 3350 Nominal Frequency Hz Nominal corrections in dB Data Addendum Nominal Data Addendum BK4936 microphone Free Field Pressure Field to Data Addendum Data Addendum Data Addendum Data Addendum Data Addendum Data Addendum QE7052 microphone Data Addendum Random Incidence Windscreen BK4936 microphone & RIC Ricr & windscreen BK4936 microphone, Ricr Remote preamp Windscreen Remote preamp, & Ricr Pressure to random incidence corrections with QE7052 section Windscreen Windscreen corrections with BK4936 microphone Frequency AC/DC Output Characteristics section Resetting Overload, Under Range, Maximum, and Peak .2.5 kDirectional windscreen corrections section Electrostatic discharges .5.2, 9.2.7 bData Addendum Environmental effects .1.2 and 9.3L MicrophonesIndex Index QE7052 microphone side facing Index Index Index Index Index BK4936 microphone side facing Index BK4936 microphone back facing Index Index Index Index Index Index Index 100 101 102 103 104 105 106 107 108 109 110 111 112 113 About 3M Personal Safety About Us