Data Addendum Environmental effects .1.2 and 9.3L | 3M SE-400

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Data Addendum

Environmental effects (section 6.1.2 and 9.3L)

The typical time intervals needed to stabilize after changes in environmental conditions include:

•For temperature change of 10 ºC (18 ºF) allow at least 5 minutes.

•For relative humidity change of 30% (non-condensing) allow at least 30 minutes.

•For static pressure change of 10 kPa allow at least 5 seconds.

Microphones

The Microphones section includes the Class/Type 2 General QE7052 microphone with accessories and the Class/Type 1 Precision BK4936 microphone with accessories. The listing below details the sections for the directional frequency response of the microphones with the units side or back facing towards the sound source.

•QE7052 microphone side facing

•QE7052 microphone back facing

•QE7052 microphone with windscreen side facing

•QE7052 microphone with windscreen back facing

•BK4936 microphone side facing

•BK4936 microphone back facing

•BK4936 microphone with windscreen back facing

BK4936 microphone with windscreen side facing BK4936 microphone using remote preamp

BK4936 microphone using windscreen & remote preamp

•BK4936 microphone with random incidence corrector ring (RICR) side facing

•BK4936 microphone with RICR back facing

•BK4936 microphone with RICR and windscreen side facing

•BK4936 microphone with RICR and windscreen back facing

•BK4936 microphone with remote preamp and RICR

•BK4936 microphone with remote preamp, RICR, and windscreen

Sound Examiner SE-400 Series

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3M SE-400 user manual Data Addendum Environmental effects .1.2 and 9.3L, Microphones

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 Introduction Sound Examiner SE-400 Series overviewModels and options Display and keypad Diagram and functionality Screen components identifiedKeypad Description Keypad keys identified Connectors/Ports 3MTM Detection Management Software DMS Getting Started Checking the equipment Turning on Screen indicatorsSoftkeys Measurement/Start screen Turning offMeasurement screen views Navigating Charging Charging states Setup/instrument configuration Response time and frequency weighting settings Opening the setup screen for instrument configuration Opening the Setup screen Meter settings Setting up meter parameters Meter settings Explanations Meter settings explainedSE-400 Series information details  Unit Information screen Time and date setting  Setting the Time and Date parameters Auto-Run and setting timed run  Setting the Timed Run Security locking and unlocking run/setup  Lock/unlock secure setup Secure run mode and secure setup mode locking & unlocking  Lock/unlock secure run Resetting the SE-400 Series Memory and spaceDeleting files and viewing memory  Viewing memory and/or deleting files Operation/Field Testing Calibrate, measure, run, and saved resultsCalibrate Overview of running a session SE-400 Series and calibrating Calibration screen Logged Data MeasureWindscreen Positioning and tripod mount Measurements and displayed parametersMeasurement Explanations Parameters Measurement notations Main/multi- measurement screen in Run mode Run, stop, and view results Viewing past sessions 10 Session directory screen Download and view logged data 12 Reviewing Session Data DMS & downloaded measurements 14 Downloading files from DMS to SE-400 Series SoundPatrol feature non-IS models only Connecting the printer and settings Print setup for summary reports  Changing the summary report print settings Summary Data Report Printing and reportsCalibration Report Microphone preamp Connecting an extension cableAttaching the preamp Sound Examiner non-IS models and logging rates Logging Rates seconds or minutes Days Acoustical Characteristics Standards/DirectivesMicrophones Appendix a Mechanical Characteristics Environmental CharacteristicsPhysical Characteristics Measurements Power/Electrical Characteristics User Interface CharacteristicsPorts and connections Accessories sold separately SE-400 Series models and part numbers Appendix B Glossary of TermsExchange Rate ER Noise Reference pressure SPL/LAS Weighting A, C, Z Customer service WarrantyCalibration Contacting 3M Instrumentation Data Addendum SE-400 Series measuring to IEC Data Addendum Microphone Weighting Correction in dB Effects of background noise sections 5.6.4, 5.6.5, 9.2.5d Frequency 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 k Directional windscreen corrections section Electrostatic discharges .5.2, 9.2.7 b Data Addendum Environmental effects .1.2 and 9.3L Microphones Index 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