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3M SE-401 User Manual
Summary of SE-401
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3m personal safety division 3m tm sound examiner se-400 series sound level meters with intrinsically safe models user manual se-400 series sound level meter sound examiner se-401/se-402 non-is models se-401/se-402 intrinsically safe models.
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Dangers, warnings, cautions & battery is models 073-300 reva i 3m tm sound examiner se-400 is series sound level meter dangers, warnings, cautions & battery danger! Failure to observe the following procedures may result in serious personal injury • contains built-in lithium polymer battery. Do not i...
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Dangers, warnings, cautions & battery non-is models ii 3m tm sound examiner se-400 non-is models sound level meter dangers, warnings, cautions & battery danger! Failure to observe the following procedures may result in serious personal injury • not for use in explosive or hazardous locations. This p...
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Sound examiner intrinsically safe models: user warnings, safety markings, and standard information 073-300 reva iii sound examiner se-401 and se-402 intrinsically safe/sécurité intrinsèque models: user warnings, safety markings, and standards information warning: to prevent ignition of flammable or ...
Page 5: Table Of Contents
Ii table of contents sound examiner se-400 series table of contents introduction ............................................................................................................................................................................................................... 1 models an...
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Iii table of contents sound examiner se-400 series calibrate ................................................................................................................................................................................................................... 16 performing a calibration...
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Iv table of contents sound examiner se-400 series calibration ............................................................................................................................................................................................................... 39 warranty .....................
Page 8: Introduction
1 introduction models and options sound examiner se-400 series introduction the 3m tm sound examiner se-400 series are sound level meters used to measure noise over time with robust logging capabilities, selective measurement values, and with a variety of end-user applications including occupational...
Page 9: Diagram And Functionality
2 sound examiner se-400 series overview diagram and functionality sound examiner se-400 series diagram and functionality the following diagram for se-400 series explains the features on the keypad and the display’s screen indicators. Table 1-2: keypad keys identified screen components identified the...
Page 10: Connectors/ports
3 connectors/ports usb sound examiner se-400 series connectors/ports the hardware connector ports are identified below. Note: the se-400 is models are equipped with usb connector only. Figure 1-2: connector and ports usb a usb cable is shipped with each sound examiner. One end fits the mini port in ...
Page 11: Getting Started
4 getting started checking the equipment sound examiner se-400 series getting started this chapter provides the basic information you need to “get up and go” essentially right out of the box, including receiving your first glimpses of sound pressure level (spl). Checking the equipment if your instru...
Page 12: Turning On
Turning on softkeys sound examiner se-400 series 5 turning on to turn on the se-400 series, press the key until the start screen appears. Note: the warm-up is 10 seconds. Softkeys the softkey menus provide additional/extension menus on the display and may be available in the measurement, setup, and ...
Page 13: Measurement/start Screen
Measurement/start screen measurement screen views sound examiner se-400 series 6 measurement/start screen when powering on, the measurement screen displays six measurements which include: spl, max, min, peak, leq, and l ae (sound exposure level). The sound pressure level (spl) measurement is continu...
Page 14: Charging
Turning off charging sound examiner se-400 series 7 charging the se-400 series is charged using the supplied usb charger or a personal computer’s usb port. A fully depleted battery will require approximately 8 hours to fully charge when using the external battery charger. Note: 3m recommends chargin...
Page 15: Chapter
Setup/instrument configuration response time and frequency weighting settings sound examiner se-400 series 8 setup/instrument configuration the se-400 series is shipped with default setup parameters. These customizable parameters include the following: • time response and frequency weighting • gener...
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Setup/instrument configuration opening the setup screen for instrument configuration sound examiner se-400 series 9 opening the setup screen for instrument configuration the settings can be accessed or changed when in stop mode by selecting the icon via the corresponding softkey (see a below). The s...
Page 17: Meter Settings
Setup/instrument configuration meter settings sound examiner se-400 series 10 meter settings the meter settings screen is used to select general instrument parameters including the log interval, exchange rate, language, contrast, and peak weighting. Table 3-1 outlines the meter/general settings on t...
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Setup/instrument configuration se-400 series information details sound examiner se-400 series 11 4. Once the settings are selected, press key to return to a measurement screen. Meter settings explanations log interval the logging interval is the logging rate between the logging events. For example, ...
Page 19: Time And Date Setting
Setup/instrument configuration time and date setting sound examiner se-400 series 12 time and date setting the time-date is used to set-up the current time and date parameters. These settings are used in many of the charts and graphs in the software and when viewing calibration history and/or time-h...
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Setup/instrument configuration auto-run and setting timed run sound examiner se-400 series 13 auto-run and setting timed run with a timed run mode, you program the instrument’s duration (or timed run) and then manually start your study. The auto-run will end when the duration expires. Setting the ti...
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Setup/instrument configuration security: locking and unlocking run/setup sound examiner se-400 series 14 security: locking and unlocking run/setup you can prevent people from inadvertently terminating a session or changing settings with the security/lock feature enabled. Once the code is entered, th...
Page 22: Memory And Space
Memory and space deleting files and viewing memory sound examiner se-400 series 15 memory and space deleting files and viewing memory in the memory screen, you have the option of deleting all sessions from the memory. It also displays the number of sessions in memory, used space, and the remaining m...
Page 23: Calibrate
Calibrate, measure, run, and saved results overview of running a session sound examiner se-400 series 16 calibrate, measure, run, and saved results this chapter provides you with the tools used to perform a field test and review the data results. It also details how to work with the soundpatrol feat...
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Calibrate performing a calibration sound examiner se-400 series 17 3. Turn on the calibrator by pressing the key. Figure 4-1: se-400 series and calibrating 4. From the main measurement screen, press the corresponding softkey for the menu. 5. Press the cal softkey or select calibration . Figure 4-2: ...
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Calibrate performing a calibration sound examiner se-400 series 18 6. In the calibration screen, either press the cal softkey or press the key. Note: the calibration screen details the last calibration and is saved into the memory of the instrument. If you download your data to dms (software), the c...
Page 26: Measure
Measure logged data sound examiner se-400 series 19 measure logged data logged measurements compute the peak, maximum, minimum, sound exposure, and average values over a run-time at the user selected logged interval. When in a run (or a session), logged data is automatically stored in the instrument...
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Measure positioning and tripod mount sound examiner se-400 series 20 positioning and tripod mount for area monitoring and general sound level sessions, hand-held measurements are conducted by positioning the microphone directly at the noise source. To perform stationary sound level measurements, a t...
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Measure run, stop, and view results sound examiner se-400 series 21 run, stop, and view results the run/stop key is used to run and stop integrating measurements, which is saved as a session. The viewable measurement screens include the multi-measurement screen (which is the default screen) and the ...
Page 29: Viewing Past Sessions
Measure viewing past sessions sound examiner se-400 series 22 viewing past sessions the se-400 will automatically save and store all of the run/stops performed on the instrument, which is also known as session data. You may view past sessions using the memory menu from the setup screen. Once selecte...
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Download and view logged data viewing past sessions sound examiner se-400 series 23 5. When selected, the session summary screen appears as indicated in figure 4-12. Note: to return to the previous screen, press the key. Figure 4-12: reviewing session data download and view logged data if you will b...
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Download and view logged data dms & downloaded measurements sound examiner se-400 series 24 dms & downloaded measurements when you download the data via the the instrument download panel, the data is stored and viewable via the data finder page with advanced charting, tables, and reporting capabilit...
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Soundpatrol feature (non-is models only) connecting the printer and settings sound examiner se-400 series 25 soundpatrol feature (non-is models only) in some applications, the soundpatrol feature is used for noise enforcement assessment with the capability to print to a cabled hand-held portable pri...
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Soundpatrol feature (non-is models only) print setup for summary reports sound examiner se-400 series 26 print setup for summary reports with the soundpatrol feature (se-400 non-is models only), you have the option to change the measurements and other parameters to appear on the summary data report....
Page 34: Printing and Reports
Soundpatrol feature (non-is models only) printing and reports sound examiner se-400 series 27 printing and reports the soundpatrol features (non-is models only) an easy to access print icon , located on the measurements and calibration screens, which is used for report printing when connected to the...
Page 35: Microphone Preamp
Microphone preamp attaching the preamp sound examiner se-400 series 28 microphone preamp the removable preamplifier (model se-402r non-is when equipped) can be used for remote distance monitoring. An extension cable is connected between the se-402r model and the preamplifier. (the cable may be purch...
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Sound examiner (non-is models) and logging rates connecting an extension cable sound examiner se-400 series 29 sound examiner (non-is models) and logging rates when logging is enabled, the following parameters are logged: l max , l min, l peak, and l eq at a specific logged interval. The se-400 non-...
Page 37: Specifications
Appendix a sound examiner se-400 series 30 specifications standards/directives • iec 61672-1 (2002) - electroacoustics, sound level meters, and part 1: specifications. • iec 61010-1 (2010) (2002): safety requirements for electrical equipment for measurement, control and laboratory use – part 1: gene...
Page 38: Measurements
Appendix a sound examiner se-400 series 31 measurements parameters l as , l max , l min , l pk , l eq /l avg , l e , elapsed time frequency weighting a, c, z peak frequency weighting a, c, z response time fast and slow range 110 db total dynamic measurement range overall measurement range 30 to 140 ...
Page 39: Ports And Connections
Appendix a sound examiner se-400 series 32 user interface characteristics logged data stored logged data includes: l max , l min , l pk , l eq . Use 3m tm detection management software (dms) to interpret data files. Summary data stored session summary data includes: l max , l min , l pk , l eq , l e...
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Appendix a sound examiner se-400 series 33 se-400 series models and part numbers 3m id sound examiner se-400 kit description 70-0716-0794-2 3m tm sound examiner se-402 non-is includes meter with class/type 2 microphone, usb cable, external power cord with usb, windscreen, calibrator adapter, carry c...
Page 41: Glossary Of Terms
Appendix b sound examiner se-400 series 34 glossary of terms db sound level meters use the decibel as the unit of measure known as sound pressure level (spl). Spl uses the ratio between a reference level of 20 micropascals (.00002 pascals) and the level being measured. Spl = 20 log (measured level/r...
Page 42: Logging
Appendix b sound examiner se-400 series 35 due to a telephone ringing near the instrument, then only those seconds will contribute to the l avg resulting in a level perhaps around 40 db (notably lower than the actual levels in the environment). L eq the true equivalent sound level measured over the ...
Page 43: Overload (Ol)
Appendix b sound examiner se-400 series 36 overload (ol) an overload will occur whenever the input signal exceeds the dynamic range of the instrument. Pascal (pa) unit of pressure equal to 1 newton per square meter. Reference pressure the sound pressure at the threshold of human hearing, as measured...
Page 44: Spl/l
Appendix b sound examiner se-400 series 37 figure b-3: fast response to a tone burst spl/l as sound pressure level. A ratio of one sound pressure to a reference pressure. Because of the enormous dynamic range of the human ear, the ratio is calculated logarithmically by the formula below, where l r i...
Page 45: Weighting (A, C, Z)
Appendix b sound examiner se-400 series 38 weighting (a, c, z) spl measurements are commonly weighted (scaled) in relation to their frequency components in order to provide a consistent basis for comparison to other measurements of the same type. The three sound examiner curves are plotted in figure...
Page 46: Customer Service
Appendix c sound examiner se-400 series 39 customer service contacting 3m instrumentation should your 3m equipment need to be returned for repair or for recalibration, please contact the service department at the following number or access the online form via the website. For technical issues, pleas...
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Data addendum sound examiner se-400 series 40 data addendum: se-400 series measuring to iec 61672-1 about this data addendum this data addendum presents submission information for testing the 3m tm sound examiner se-400 series sound level meter to the iec61672-1 standard. The se-400 series is a data...
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Data addendum sound examiner se-400 series 41 linear operating range with spl z-weighting and leq z-weighting (sections: 5.5.10, 5.5.11, 9.2.7e, 9.3e, 9.3f) note: reference level 114 db, cal point: 400mvrms = 114 db @ 1 khz frequency spl z-weighting leq z-weighting linear operating range (db) linear...
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Data addendum sound examiner se-400 series 42 peak c level range the nominal peak c level range is 55 db to143 db. Effects of background noise (sections: 5.6.4, 5.6.5, 9.2.5d) background noise can cause considerable error in measurement when its intensity is close to that of a particular sound sourc...
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Data addendum sound examiner se-400 series 43 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.
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Data addendum sound examiner se-400 series 44 z-weighting nominal the graph below is the nominal z weighting frequency response a-weighting typical the graph below is the frequency typical a weighting frequency response.
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Data addendum sound examiner se-400 series 45 c-weighting typical the graph below is the frequency weighting typical c weighting frequency response. Z-weighting typical the graph below is the typical z weighting frequency response.
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Data addendum sound examiner se-400 series 46 nominal bk4936 microphone frequency response, diffraction and reflection corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 3162 -0.3 3350 -0.3 3548 -0.1 3758 0.0 3981 0.2 42...
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Data addendum sound examiner se-400 series 47 nominal bk4936 microphone frequency response, diffraction and reflection with windscreen corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 3162 0.1 3350 0.2 3548 0.2 3758 0....
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Data addendum sound examiner se-400 series 48 nominal bk4936 microphone frequency response, diffraction and reflection with random incidence corrector (ricr) corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db nominal fre...
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Data addendum sound examiner se-400 series 49 nominal bk4936 microphone frequency response, diffraction and reflection with ricr and windscreen corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 63 0.6 80 0.4 100 0.3 125...
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Data addendum sound examiner se-400 series 50 nominal bk4936 microphone frequency response, diffraction and reflection with remote preamp corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 63 0.5 80 0.3 100 0.2 125 0.3 1...
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Data addendum sound examiner se-400 series 51 nominal bk4936 microphone frequency response, diffraction and reflection with remote preamp and windscreen corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 63 0.4 80 0.2 10...
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Data addendum sound examiner se-400 series 52 nominal bk4936 microphone frequency response, diffraction and reflection with remote preamp and ricr corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 2661 0.3 2818 0.2 2985...
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Data addendum sound examiner se-400 series 53 nominal bk4936 microphone frequency response, diffraction and reflection with remote preamp ricr, & windscreen corrections (section: 5.2.8) note: add correction to electrical frequency response. Nominal frequency hz nominal corrections in db 63 0.3 80 0....
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Data addendum sound examiner se-400 series 54 nominal qe7052 microphone frequency response, diffraction and reflection corrections (section: 5.2.8) note: add correction to electrical frequency response nominal frequency hz nominal corrections in db 63 0.6 80 0.4 100 0.3 125 0.4 160 0.2 200 0.2 250 0...
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Data addendum sound examiner se-400 series 55 nominal qe7052 microphone frequency response, diffraction and reflection corrections with windscreen (section: 5.2.8) note: add correction to electrical frequency response nominal frequency hz nominal corrections in db 63 0.5 80 0.3 100 0.1 125 0.2 160 0...
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Data addendum sound examiner se-400 series 56 pressure to free field corrections with bk4936 microphone (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. Frequency in hz bk4936 ...
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Data addendum sound examiner se-400 series 57 pressure to free field corrections with bk4936 microphone and windscreen (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. Frequenc...
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Data addendum sound examiner se-400 series 58 pressure to free field corrections with bk4936 microphone and ricr (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. Frequency in h...
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Data addendum sound examiner se-400 series 59 pressure to free field corrections with bk4936 microphone and ric and windscreen (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. ...
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Data addendum sound examiner se-400 series 60 pressure to free field corrections with bk4936 microphone and ricr, windscreen, and remote preamp (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure...
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Data addendum sound examiner se-400 series 61 pressure to free field corrections with bk4936 microphone and remote preamp (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. Frequ...
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Data addendum sound examiner se-400 series 62 pressure to free field corrections with bk4936 microphone and remote preamp and windscreen (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field ...
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Data addendum sound examiner se-400 series 63 pressure to free field corrections with bk4936 microphone and remote preamp and windscreen (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field ...
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Data addendum sound examiner se-400 series 64 pressure to free field corrections with bk4936 microphone and remote preamp and ricr (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field respon...
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Data addendum sound examiner se-400 series 65 pressure to free field corrections with qe7052 microphone (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. Frequency in hz qe7052 ...
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Data addendum sound examiner se-400 series 66 pressure to free field corrections with qe7052 microphone with windscreen (sections: 5.2.8, 9.2.7d) note: add to pressure response to get 0 ⁰ incidence free-field response. B&k 4226 calibrator may be used to determine the pressure field response. Frequen...
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Data addendum sound examiner se-400 series 67 pressure to random incidence corrections with bk4936 microphone (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone random incidence corrections in db 32 0.3 40 0.3 50 0.2 63 0.1 ...
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Data addendum sound examiner se-400 series 68 pressure to random incidence corrections with bk4936 microphone and windscreen (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone & windscreen random incidence corrections in db ...
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Data addendum sound examiner se-400 series 69 pressure to random incidence corrections with bk4936 microphone and ricr (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone & ric random incidence corrections in db 32 0.3 40 0.3...
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Data addendum sound examiner se-400 series 70 pressure to random incidence corrections with bk4936 microphone, ricr, and windscreen (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone & ricr & windscreen random incidence corr...
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Data addendum sound examiner se-400 series 71 pressure to random incidence corrections with bk4936 microphone, ricr, windscreen, and remote preamp (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone, ricr, windscreen & remote...
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Data addendum sound examiner se-400 series 72 pressure to random incidence corrections with bk4936 microphone & remote preamp (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone & remote preamp random incidence corrections in...
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Data addendum sound examiner se-400 series 73 pressure to random incidence corrections with bk4936 microphone, remote preamp, and windscreen (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone , remote preamp, & windscreen ra...
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Data addendum sound examiner se-400 series 74 pressure to random incidence corrections with bk4936 microphone, remote preamp, and ricr (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz bk4936 microphone , remote preamp, & ricr random inciden...
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Data addendum sound examiner se-400 series 75 pressure to random incidence corrections with qe7052 (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz qe7052 microphone random incidence corrections in db 32 0.4 40 0.3 50 0.3 63 0.2 80 0.1 100 ...
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Data addendum sound examiner se-400 series 76 pressure to random incidence corrections with qe7052 microphone and windscreen (section 5.2.7) note: added to the pressure response to calculate random incidence response. Frequency in hz qe7052 microphone & windscreen random incidence corrections in db ...
Page 84
Data addendum sound examiner se-400 series 77 windscreen corrections with bk4936 microphone *note: add to the windscreen response to calculate the response without the windscreen frequency in hz corrections in db 1000 0.0 1250 -0.2 1600 -0.2 2000 -0.3 2500 -0.4 3150 -0.4 4000 -0.2 5000 0.0 6300 0.0 ...
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Data addendum sound examiner se-400 series 78 windscreen corrections with bk4936 microphone, ricr, and remote preamp *note: add to the windscreen response to calculate the response without the windscreen frequency in hz corrections in db 1000 0.0 1250 0.0 1600 -0.1 2000 -0.2 2500 -0.4 3150 -0.5 4000...
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Data addendum sound examiner se-400 series 79 windscreen corrections with qe7052 microphone *note: add to the windscreen response to calculate the response without the windscreen frequency in hz corrections in db 1000 0.0 1250 -0.2 1600 -0.2 2000 -0.3 2500 -0.4 3150 -0.4 4000 -0.2 5000 0.0 6300 0.0 ...
Page 87
Data addendum sound examiner se-400 series 80 cable and radio frequency emission (sections: 5.18.1, 5.18.2, 9.3n) the charging cable is a shielded 1 meter long usb cable. Battery voltage range and power supply (sections: 5.20.2, 5.20.3, 9.3j) the charging circuit stops charging when the battery volt...
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Data addendum sound examiner se-400 series 81 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% (no...
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Index sound examiner se-400 series 82 qe7052 microphone back facing tolerance: iec 61672 class 2 directional frequency response facing back toward sound source (0 ⁰ -30 ⁰ incidence angles) directional frequency response facing back toward sound source (0 ⁰ -90 ⁰ incidence angles).
Page 90
Index sound examiner se-400 series 83 directional frequency response facing back toward sound source (0 ⁰ -150 ⁰ incidence angles) directional frequency response facing back toward sound source (0 ⁰ -180 ⁰ incidence angles).
Page 91
Index sound examiner se-400 series 84 qe7052 microphone side facing tolerance: iec 61672 class 2 directional frequency response positioned side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency positioned side toward noise source (0 ⁰ -90 ⁰ incidence angles).
Page 92
Index sound examiner se-400 series 85 directional frequency response positioned side toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned side toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 93
Index sound examiner se-400 series 86 qe7052 microphone with windscreen side facing tolerance: iec 61672 class 2 directional frequency response positioned side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned side noise source (0 ⁰ -90 ⁰ incidence angles).
Page 94
Index sound examiner se-400 series 87 directional frequency response positioned side noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned side noise source (0 ⁰ -180 ⁰ incidence angles).
Page 95
Index sound examiner se-400 series 88 qe7052 microphone with windscreen back facing tolerance: iec 61672 class 2 directional frequency response positioned facing side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned facing toward noise source (0 ⁰ -90 ⁰ inci...
Page 96
Index sound examiner se-400 series 89 directional frequency response positioned facing toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned facing toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 97
Index sound examiner se-400 series 90 bk4936 microphone side facing tolerance: iec 61672 class 1 directional frequency response positioned with side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned with side toward noise source (0 ⁰ -90 ⁰ incidence angles).
Page 98
Index sound examiner se-400 series 91 directional frequency response positioned using side toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned using side toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 99
Index sound examiner se-400 series 92 bk4936 microphone back facing tolerance: iec 61672 class 1 directional frequency response positioned back-side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned back-side toward noise source (0 ⁰ -90 ⁰ incidence angles).
Page 100
Index sound examiner se-400 series 93 directional frequency response positioned back-side toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned back-side toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 101
Index sound examiner se-400 series 94 bk4936 microphone with windscreen back facing tolerance: iec 61672 class 1 directional frequency response positioned back-side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned back-side toward noise source (0 ⁰ -90 ⁰ inc...
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Index sound examiner se-400 series 95 directional frequency response positioned back-side toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned back-side toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 103
Index sound examiner se-400 series 96 bk4936 microphone with windscreen side facing tolerance: iec 61672 class 1 directional frequency response positioned side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned side toward noise source (0 ⁰ -90 ⁰ incidence ang...
Page 104
Index sound examiner se-400 series 97 directional frequency response positioned side toward noise source (0 ⁰ -150 ⁰ incidence angles) \ directional frequency response positioned side toward noise source (0 ⁰ -180 ⁰ incidence angles).
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Index sound examiner se-400 series 98 bk4936 microphone using remote preamp tolerance: iec 61672 class 1 directional frequency response positioned with a remote preamp (0 ⁰ -30 ⁰ incidence an gles) directional frequency response positioned with a remote preamp (0 ⁰ -90 ⁰ incidence angles).
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Index sound examiner se-400 series 99 directional frequency response positioned with a remote preamp (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned with a remote preamp (0 ⁰ -180 ⁰ incidence angles).
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Index sound examiner se-400 series 100 bk4936 microphone using windscreen & remote preamp tolerance: iec 61672 class 1 directional frequency response using windscreen & remote preamp (0 ⁰ -30 ⁰ incidence angles) directional frequency response using windscreen & remote preamp (0 ⁰ -90 ⁰ incidence ang...
Page 108
Index sound examiner se-400 series 101 directional frequency response using windscreen & remote preamp (0 ⁰ -150 ⁰ incidence angles) directional frequency response using windscreen & remote preamp (0 ⁰ -180 ⁰ incidence angles).
Page 109
Index sound examiner se-400 series 102 bk4936 microphone with ricr side facing tolerance: iec 61672 class 1 directional frequency response positioned side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned side toward noise source (0 ⁰ -90 ⁰ incidence angles).
Page 110
Index sound examiner se-400 series 103 directional frequency response positioned side toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned side toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 111
Index sound examiner se-400 series 104 bk4936 microphone with ricr back facing tolerance: iec 61672 class 1 directional frequency response positioned back toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned back toward noise source (0 ⁰ -90 ⁰ incidence angles).
Page 112
Index sound examiner se-400 series 105 directional frequency response positioned back toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned back toward noise source (0 ⁰ -150 ⁰ incidence angles).
Page 113
Index sound examiner se-400 series 106 bk4936 microphone with ricr and windscreen side facing tolerance: iec 61672 class 1 directional frequency response positioned side toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned side toward noise source (0 ⁰ -90 ⁰ inc...
Page 114
Index sound examiner se-400 series 107 directional frequency response positioned side toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned side toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 115
Index sound examiner se-400 series 108 bk4936 microphone with ricr and windscreen back facing tolerance: iec 61672 class 1 directional frequency response positioned back toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned back toward noise source (0 ⁰ -90 ⁰ inc...
Page 116
Index sound examiner se-400 series 109 directional frequency response positioned back toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned back toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 117
Index sound examiner se-400 series 110 bk4936 microphone with ricr and remote preamp tolerance: iec 61672 class 1 directional frequency response positioned toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned toward noise source (0 ⁰ -90 ⁰ incidence angles).
Page 118
Index sound examiner se-400 series 111 directional frequency response positioned toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 119
Index sound examiner se-400 series 112 bk4936 microphone with remote preamp, ricr, and windscreen tolerance: iec 61672 class 1 directional frequency response positioned toward noise source (0 ⁰ -30 ⁰ incidence angles) directional frequency response positioned toward noise source (0 ⁰ -90 ⁰ incidence...
Page 120
Index sound examiner se-400 series 113 directional frequency response positioned toward noise source (0 ⁰ -150 ⁰ incidence angles) directional frequency response positioned toward noise source (0 ⁰ -180 ⁰ incidence angles).
Page 121
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