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ACOEM CUBE User Manual

Smart noise monitoring terminal
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USER MANUAL
CUBE
Smart Noise Monitoring Terminal
www.acoem.com
01db.support@acoem.com
Copyright © 2023 – ACOEM France SAS
This document is the property of ACOEM France SAS. Any dissemination, copying or publicising of this document,
in whole or in part, is prohibited without the owner's written authorisation

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  • Page 1 Smart Noise Monitoring Terminal www.acoem.com 01db.support@acoem.com Copyright © 2023 – ACOEM France SAS This document is the property of ACOEM France SAS. Any dissemination, copying or publicising of this document, in whole or in part, is prohibited without the owner’s written authorisation...
  • Page 3 : application FW 2.74 and higher, metrology FW 2.12 and higher www.acoem.com 01db.support@acoem.com Copyright © 2023 – ACOEM France SAS This document is the property of ACOEM France SAS. Any dissemination, copying or publicising of this document, in whole or in part, is prohibited without the owner’s written authorisation...
  • Page 5 TABLE OF CONTENTS CHAPTER 1 Introduction ........................11 CHAPTER 2 Safety Instructions ......................13 General Safety Warnings ......................13 Definitions: Safety Guidelines ....................13 ID label on the back plate of the instrument................13 Operating environment......................14 2.4.1 Instrument ........................14 2.4.2 Power supplies .........................
  • Page 6 4.1.3 Colour rules ........................36 4.1.4 Instant display values ...................... 37 4.1.5 Overall values ........................39 4.1.6 Instant spectral values ..................... 42 4.1.7 Overall spectral values ....................42 Special case: weather values ....................42 Additional indicators measured and displayed ............... 43 CHAPTER 5 Accessories ........................
  • Page 7 7.2.1 Managing a measurement configuration (Meas. Config. tab) ......... 88 7.2.2 Setting up the acquisition (Meas. Config. tab) ..............90 7.2.3 Information on the status of the instrument and on the measurement in progress (Infos tab) 7.2.4 Real-time displays (Real time\Noise tab) ..............107 7.2.5 Real time menu in Ready mode ..................
  • Page 8 (use with DMK01) ................222 11.9.6 Characteristics of the windscreen, external 40CE microphone (FUSION) and external 40CD microphone configurations (FUSION, CUBE or DUO) (use with DMK01), nose cone is mandatory ............................ 223 11.9.7 Sound pressure levels displayed in response to the sound pressure generated by a multifrequency acoustic calibrator or in response to a simulated sound pressure generated by an actuator.
  • Page 9 12.2 GetRealTimeValuesList ..................... 235 12.3 ConfigureRealTimeValues ....................236 12.4 GetRealTimeValues ......................237 12.5 Public display ........................238 12.6 GetStatus ........................... 239 12.7 GetAlarms .......................... 240 12.8 DeleteAlarms ........................242 CHAPTER 13 Requirements for type approval ................243 13.1 Components for the type approval ..................243 13.2 Review of acoustic measured levels subject to verification ..........
  • Page 10 Welcome to the world of Acoem ACOEM would like to thank you for purchasing this product and invites you to refer to this user manual. For more information on ACOEM’s products and services, please visit www.acoem.com. Receipt of your equipment This product was carefully inspected and tested prior to shipping.
  • Page 11 The programming of all available functions (Input / Output / Storage…) allows meeting best the user’s requirements. Models : 2 versions of CUBE coexist and differ only on communication aspects. All other functions and firmwares are strictly identical. Serial number <...
  • Page 12  Coding functions allowing for the accurate identification of incriminated sources, contributing to the sound level or the emergence. It is used as a medium and long-term measuring instrument for noise monitoring of neighbourhood, environmental or industrial noise. Starting the instrument for the first time: When delivered, the instrument is configured with default configuration (see §...
  • Page 13 Follow the "Safety Instructions" (CHAPTER 2) and the “Installation instruction” (§3.9) that can be downloaded on: http://support.01db.acoem.com. WARNING! Read all “grounded instruction” (3.9.4) before installation of the device. Failure to follow the instructions may result in electric shock and serious injury.
  • Page 14 Symbol Description Discard the instrument with due care for the environment CE certification data. Refer to the copy of the UE certificate Warning: Whenever this symbol is present on the device, it is essential to refer to the safety instructions documentation and the user manual.
  • Page 15 2.4.2 Power supplies Respect the emplacement for the power supply. Use only the power supply described in this document. Only the waterproof power supply may be used outdoor. For more information on the environment of Power supplies, Refer to External Power supplies (§2.6.2) ECHANICAL RISK AND WORK AREA SAFETY ...
  • Page 16 LECTRICAL SAFETY 2.6.1 Generalities  All external circuits connected to the device should be non-hazardous voltage, and energy source limited within the meaning of the IEC61010-1 standard.  The power supply must be connected to the mains power equipped with a differential circuit breaker.
  • Page 17 2.6.2.2 Standard Power supply ACC3163000A Standard Power Supply – Model can be updated Symbol Description Only for indoor use The power supply is double insulated in accordance with EN 60335; therefore no earth wire is required. Discard the power supply with due care for the environment.
  • Page 18 2.6.2.3 Waterproof power supply DUO1006000 Waterproof power supply – Model can be updated Symbol Description The power supply is double insulated in accordance with EN 60335; therefore no earth wire is required. Discard the power supply with due care for the environment. CE Mark International Protection degree for the module Input Electrical characteristics...
  • Page 19 SE AND CARE  Before any use, visual inspect the instrument case and its accessories and check there is no visible damage such as crack, broken part or abnormal deformation.  The instrument must be properly connected to the grounding system when it is a mandatory (refer to §3.9.3).
  • Page 20 References of the antenna: CUB1003000 (3G) / CUB1103000 (4G) 2.10.3 GPS A GPS parch is delivered with the CUBE to be able to mount the patch at a different location for better satellites reception; 3 meters cable Reference of the antenna: CUB1005000 2.10.4 Outdoor antenna...
  • Page 21 2.12.2 Charge/Discharge The battery is charged by an internal charger. The external power supply provides energy to the instrument for his functioning and also for the battery recharge. The priority is always given to instrument functioning. During the charge, the battery temperature arises. The charger senses the temperature to maintain it under a safety level.
  • Page 22 VERALL INSTRUMENT PRESENTATION 3.1.1 Nomenclature The CUBE instrument includes:  CUBE Instrument: casing with rechargeable battery that can be simply replaced by a distributor’s after-sales department.  All weather pre-polarized microphone 1/2' type G.R.A.S. 40CD  RA0208 noise cone for class 1 (IEC 61672-1 edition 2 (2013)) with 0° and 90° reference directions ...
  • Page 23 D – External microphone preamplifier input and analogue output E – Mini USB F – SIM card slot G – RS232 input H –TTL input/output I – SD card slot 3.1.3 Outdoor use CUBE is not designed for outdoor use without protection...
  • Page 24 HE KEYBOARD On the front panel of the instrument, the keyboard includes 1 ON/OFF key and 3 context (multi-function) keys;: 01 – ON/OFF key 02 – 3 context (multi-function) keys Operating of the ON/OFF key:  Press the ON/OFF key shortly to turn the instrument on. ...
  • Page 25 The operating of these keys is explained in the paragraphs below: it changes according to the context.  Key 1 is used, e.g., to launch the Start SLM menu, access a scrolling list, take a break in the measurements in SLM mode, resume the acquisition, redo the calibration, activate manual coding (Marker 1)…...
  • Page 26 Real time signal listen in: the GSM connection provides a simple means of listening to the audio signal in real time by calling CUBE as if it were a telephone; the modem option and a voice and data plan are required.
  • Page 27 On the remote control (smartphone, PC…), the user can open the corresponding the instrument interface by connecting to the IP address or to name_xxxxx (where xxxxx is the serial number) of the instrument through the associated navigator. The operator can then start the instrument calibration, either by automatic detection of a standard noise source, or by selecting the “Calib.”...
  • Page 28 3.9.1 Use cases prerequisite Use cases are exhaustively described. Other use case, which are not described on this document, are not allowed for this instrument...
  • Page 29 3.9.2 Flowchart for the installation Define the position of the instrument and eventually its accessories (DMK01, weather station) Define the external device using eventually the TTL input/output Define the power supply Check the conditions Not OK=> STOP (§3.9.3 Power supply) Before connecting power supply or switch on power, Connect the DMK01 (if needed) Connect the weather station (if needed)
  • Page 30 3.9.3 Power supply Power supply Internal battery Standard power supply Waterproof power supply* External battery Indoor Indoor Power supply location Not applicabe Indoor Only Outdoor Outdoor Device or accessory (DMK01, TTL, Weather Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor station) location Strictly Strictly...
  • Page 31 CHAPTER 4 ETROLOGICAL NDICATORS EASURED AND DISPLAYED ACOUSTIC INDICATORS 4.1.1 Definition 4.1.1.1 Generic terms Time-weighted sound pressure level: Twenty times the decimal logarithm of the ratio of the RMS value of a given sound pressure to the reference sound pressure (by convention set to 20 µPa for airborne sounds), the RMS value of the sound pressure resulting from standardised frequency weighting and standardised time weighting.
  • Page 32 Period: time range determined by a starting date and time and ending date and time. Each period represents a memory record for a measurement session. Logging interval (T): Logging interval = storage rate: calculation time for the indicators and time between 2 successive storages in the internal memory of the instrument. Fast logging interval (CT): Logging interval during coding.
  • Page 33 Frequency A-weighting B-weighting C-weighting −70.4 −38.1 −14.3 −63.4 −33.2 −11.2 12.5 −56.7 −28.5 −8.5 −50.5 −24.2 −6.2 −44.7 −20.4 −4.4 −39.4 −17.1 −3.0 31.5 −34.6 −14.2 −2.0 −30.2 −11.6 −1.3 −26.2 −9.3 −0.8 −22.5 −7.4 −0.5 −19.1 −5.6 −0.3 −16.1 −4.2 −0.2 −13.4...
  • Page 34 Peak sound pressure (peak) The lowest time-weighted sound pressure level over a given time interval. 4.1.2 Available Indicators 4.1.2.1 Wide band Acoustic indicators measured and displayed by the instrument are listed below. In case of an under range for one of these values, the display shows a “  ” sign before the indicated levels. In case of an overload, the display shows a “...
  • Page 35 LXYMinMax: minimum/maximum sound pressure level with frequency weighting (A, B, C, Z) and time weighting (S, F, I) PNL0.5s (PNLT0.5s): Perceived Noise Level (Tone corrected) stored every 0.5 seconds Ln: statistical sound pressure level (statistical index) Ln calculation method: type of indicator on which statistical indices are calculated LnsT: Sliding statistical index LeqMinMax: minimum/maximum equivalent continuous level LXeqTMinMax: minimum/maximum equivalent continuous levels, with frequency weighting...
  • Page 36 4.1.3 Colour rules To distinguish on the display between instant values (stored at the logging interval TI) and overall values, the following colour rule is applied.  “Logging in progress” screen in the built-in interface  Instant values are displayed in green and yellow (every 0.5s). ...
  • Page 37 4.1.4 Instant display values Acoustic indicators on display correspond to values calculated at the display rate (0.5s on the Web interface and 0.1s on Instrument’s built-in display). 4.1.4.1 Ready and SLM modes LXeq0.5s LXpeak LXY LXY0.5sMinMax LXYeq0.5s LXYTd LAeq0.5s LCpeak LAF LAF0.5sMax LAFeq0.5s LAFT3 LBeq0.5s...
  • Page 38 4.1.4.2 LOG mode LXeq0.5s LXeqT LXpeak Sliding values LXexPT PNL0.5s LAeqsT LAexPT PNL0.5s LAeq0.5s LAeqT LCpeak LAeqsT2 PNLT0.5s LBeq0.5s LBeqT LZpeak LnsT LCeq0.5s LCeqT LZeq0.5s LZeqT LCeq-LAeq0.5s LXY LXYTMinMax LXYeq0.5s LXYeqT LXYTd LAFTMax LAFeq0.5s LAFeqT LAFT3 LASTMax LBFeq0.5s LBFeqT LAIT3 LAITMax LCFeq0.5s LCFeqT LAFT5 LBFTMax...
  • Page 39 4.1.5 Overall values LXY (Max or Min) values are calculated every 5 msec. LXeq and LXYeq are calculated every 500msec in SLM mode and at a rate corresponding to the selected logging period (logging interval T) in LOG mode. These values correspond to the values calculated since the beginning of the measurement. 4.1.5.1 SLM Mode LXeq LXeq0.5s MinMax LXE LXpeakMax Ln...
  • Page 40 LOG DI ≤ 0.5s mode 4.1.5.2 LXeq LXeqT MinMax LXE LXpeakMax Ln LAeq LAeqTMax LAE LCpeakMax Ln1 LBeq LBeqTMax LBE LZpeakMax Ln2 LCeq LCeqTMax LZeq LZeqTMax LAeqTmin LBeqTmin LCeqTmin LZeqTmin LXYMinMax LXYeq LXYeqTMinMax LXYTmd LAFMax LAFeq LAFeqTMax LAFTm3 LASMax LBFeq LBFeqTMax LAITm3 LAIMax...
  • Page 41 4.1.5.3 LOG DI > 0.5s mode LXeq LXeq0.5s MinMax LXE LXpeakMax Ln LAeq LAeq0.5sMax LAE LCpeakMax Ln1 LBeq LBeq0.5sMax LBE LZpeakMax Ln2 LCeq LCeq0.5sMax LZeq LZeq0.5sMax LAeq0.5smin LBeq0.5smin LCeq0.5smin LZeq0.5smin LXYMinMax LXYeq LXYeq0.5s MinMax LXYTmd LAFMax LAFeq LAFeq0.5sMax LAFTm3 LASMax LBFeq LBFeq0.5sMax LAITm3...
  • Page 42 Weather values are only availables if the Flag “O” is active. The features security has been improved from the the version 2.74 and especially for the Fusion Serial number 15010 and higer, and 14330 and higher for Cube.
  • Page 43 DDITIONAL INDICATORS MEASURED AND DISPLAYED The main additional indicators that are measured deal with battery charge status, under range/overload/electrical check indicators, coding in progress (5+1), audio storage, programming of measurement triggers, number of GPS satellites picked up, type of communication (GPRS, EDGE, 3G, 4G), as well as signal strength (from 1 to 4 bars) and available memory (Mem).
  • Page 44 CHAPTER 5 CCESSORIES XTERNAL ANTENNAS CUBE is delivered either with:  3 in1 GPS, Cellular (2G and GSM) and Wi-Fi heavy-duty IP67 antenna with high efficiency in a low profile compact format. The antenna screws down permanently onto a roof or metal panel.
  • Page 45 1 –M12 connector with 8 pins to be pluged to the weather station 2 – Jack 3,5mm to be pluged to the IOIO input of the sound level meter 3 – Power supply jack to be pluged to the 8V-28V input of the sound level meter 4 –...
  • Page 46 5.2.2.1 Connections to the instrument The connexions to SLM allows for device power supply and RS232 input using IOIO 3.5 jack (upper right jack) The operator shall ensure to pass both wires through the connectors cover by 2 holes in the flexible bottom rubber as shown in the following photos: 5.2.2.2 Connection to weatherproof power supply...
  • Page 47 On the sound level meter side, the specific cable for weather station has a 3.5 jack (for data transmission) and a power connector. The operator connects the specific weather input power cable and the waterproof power supply cable by placing the power inputs into the part of the "T-shape" connecting box available. It will ensure: - to pass first the nut of the cable gland in the cable - to push the connector firmly until it blocks - to firmly tighten the nut to the cable gland:...
  • Page 48 Overview of weather connection kit You can plug the anemometer following the same process. The only difference with the Vaisala is that the cable from the anemometer is an integrated one. This cable is already prepare to be link to the T. DMK01 EATHERPROOF OUTDOOR MICROPHONE UNIT 5.3.1...
  • Page 49 A RAL135 or RAL137 adapted extension cable is available as an option, with a standard length of 10 m. 5.3.2 The 40CD microphone and the noise cone supplied with CUBE must be mounted on the PRE22 preamplifier. Once the microphone is mounted on the preamplifier, the user shall slide the extension cable in the body of the DMK01 unit, connect the unit to the preamplifier and gently set the assembly into the body until it stops.
  • Page 50 CHAPTER 6 SING THE INSTRUMENT ALONE UILT ISPLAY The 240×320 pixel (i.e. ~37 x 49 mm) LCD screen is a colour screen. Back-lit, it allows reading both in full sun exposure and at night, with little light. The display includes 3 zones: ...
  • Page 51 6.1.1 Boot Screens When the instrument is turned on, the following screens are displayed on the instrument: Instrument power-up screen: Warm-up screen:...
  • Page 52 After power up, the Ready screen is displayed, along with the measurement configuration and display used last. Noise indicators are displayed in the working zone. Three menus are displayed in the command zone: SLM Start, Main Menu and LOG Start. Note: Keys SLM Start and LOG Start are disabled if the battery is slow or if the memory card is full.
  • Page 53 6.1.4 Display 6.1.4.1 Display types Up to four different display types (depending of the instrument status) are available:  Values (Ready, SLM, LOG)  Spectrum (Ready, SLM, LOG)  Time History (LOG)
  • Page 54  Weather values (Ready, SLM, LOG) 6.1.4.2 Selection of the display type The display type selection is done by:  press the ON/OFF key shortly when the instrument is on Ready, SLM or LOG mode.  The QR code is displayed. ...
  • Page 55 Data: allows viewing and deleting data present on the SD card  Calibration: allows starting acoustic calibration manually  Screen: allows selecting the set of colours suited to the situation  Miscellaneous: allows generating special functions. Note: The Microphone input menu is not available on CUBE...
  • Page 56 6.2.1 Information about the instrument The “Information” menu is used to consult the current characteristics corresponding to the status of the instrument (system parameters). After activation of the Information menu with key 3 (Selection), the user can view the characteristics of the instrument in the pull-down list using key 1 (Scroll).
  • Page 57 System parameters are as follows:  Selected measurement configuration  Name of site  Latitude  Longitude  Type of input configured  Microphone serial number  Date of last calibration  Status of last electrical check  Serial number ...
  • Page 58 Active configuration parameters – TRIGGER, TIMER & AUDIO Coding on event (AUTO Clock (TIMER) SIGNALS TRIGGER) Event number Timer type Audio Sampling frequency Code number Start date time Audio trigger Trigger type Duration simultaneous with channel coding Number of cycles Max recording time Timer periodicity Audio timer...
  • Page 59 TIMER  Measurement type: depending on timer type different information will be displayed on instrument screen as shown in the example above (delayed measurement  start date time, duration, number of cycles and periodicity)  Timer type: 3 different types of timer definition are available (immediate, delayed, daily periodic).
  • Page 60 6.2.3 Selecting the measurement configuration To configure the measurements, the user must select the “Measurement configuration” menu after scrolling down the list using key 1 (Scroll). The menu is then selected by activating key 3 (Select). The operator selects the configuration for the new measurement campaign in the list. The corresponding parameters are then displayed using key 3 (View), which allows: viewing all parameters (key 1 –...
  • Page 61 6.2.4 Accessing data stored previously Previously measured data can be displayed in the “Data” menu. The user must scroll down the list using key 1 (Scroll) and activate the selection of the menu with key 3 (Select). Then, the user must select the measurement campaign from the list (key 1 – Scroll), based on the site name and date/time of the campaign.
  • Page 62 The operator can:  continue viewing measured data using key 1 (Scroll) go back to the previous screen to select another measurement campaign (key 2 – Back)   delete the measurement campaign currently on display using key 3 (Delete). In this case, a confirmation message will be displayed for removal, then deletion.
  • Page 63 6.2.5 Starting calibration from the main menu The “Calibration” menu is used to do the calibration of the instrument prior to starting the measurement on the site. To do so, the user selects the Calibration menu using key 3 (Select) and then can access the calibration parameters from the list using key 1 (Scroll).
  • Page 64 When the calibration procedure is finished, the information relative to the calibration is displayed in green:  Date/time  Calibration correction  Microphone sensitivity If the correction exceeds +/-1.5dB, the coincidence between the reference level and the measured level is not reached. This difference may be due to the malfunction of an element of the instrument.
  • Page 65 Note: for legal verification, use assigned calibrated CAL21/CAL31 calibrator or equivalent calibrated. 6.2.6 Setting up the screen display (day, night, contrast) For a better readability, 3 different screen display configurations are available. The colour of the screen is defined from the main menu via the “Screen” menu. The screen background can be adapted to day or night measurements or to measurements done during intermediate periods/situations.
  • Page 66 6.2.7 Formatting the SD card Formatting of the SD card in the instrument is done using menu “Miscellaneous” then “Format SD card” with key 3 (Select). Formatting is validated using key 3 (Valid). The user is prompted for confirmation to avoid any erroneous action. Key 3 (Valid) is used for confirmation.
  • Page 67 6.2.8 Restoring factory settings Restoring factory settings in the instrument is achieved using the “Miscellaneous” menu and then “Factory settings”. Once again, the user is prompted for confirmation in order to avoid any unwanted action. Validating the confirmation message will restore the factory settings and display the main menu again.
  • Page 68  Channel 6  SSID name: CUBE_[Serial number]  No authentication  No encryption  No network key  DHCP disable  IP address 192.168.1.1  Subnet mask: 255.255.255.0 Recovering default Wi-Fi infrastructure restores default infrastructure parameters:  Ad-Hoc connection disabled ...
  • Page 69 The aircraft mode switch-off the Wi-Fi and the GSM modem. When the aircraft mode is activated an aircraft icon appear on the status bar. The only way to stop the Aircraft mode is to select “Inactivate” on the “Aircraft mode” menu.
  • Page 70 6.2.12 ETHERNET MODE In the miscelenaous menu, you have the possibility from the 2.74 version to choose the Ethernet mode you want to activate with your device: DHCP – for automatic IP Address – or Manual for user defined IP address.
  • Page 72 6.3.3 Deleting the most recent samples of the measurement (Back erase) The Back Erase mode is used to delete, from the Leq calculation and only in SLM mode, up to 10 seconds of recordings, this duration being defined by the user. “ Back erase”...
  • Page 73 6.3.4 Stopping the measurement permanently (Stop) The permanent stop of the measurement occurs after validation of key 2 (Stop). This action generates a return to the Ready reference screen. Note: Press Stop to automatically store all measured results and reset the values held (Overload, max, LeqGlobal).
  • Page 74 6.4.1 Coding events (Code 1) The instrument allows for manual coding of events only in Code 1 (codes 2 to 5 available only from web interface). To do so, press key 1 (Code 1) as soon as the noise event to code occurs in order to start coding.
  • Page 75 6.4.2 Triggering Audio recordings (Audio) The recording of the audio (and vibration for DUO and FUSION) signal is possible manually. When the operator wishes sound recording he/she can trigger the storage of Audio data by pressing key 3 (Audio). The Audio recording is stopped by pressing key 3 again. The icon turns white again.
  • Page 76 6.4.3 Stopping the measurement (Stop) The measurement is stopped with key 2 (Stop). The measurement campaigned is finished and the “Ready” menu is displayed. Note: Press Stop to automatically store all measured results and reset the values held (Overload, max, LeqGlobal). The storage time is negligible and the display of the measured levels is instantly recovered.
  • Page 77 “SD card missing” screen 6.5.2 In the absence of a SD card, the instrument will detect this abnormal situation and the following message will be displayed: The user must insert the SD card in the drive for the instrument to operate. “USB connected”...
  • Page 78 “Message” screen 6.5.4 Depending on the measurement status of the instrument (SLM Start, LOG Start or Pending recording), commands Stand-by and Stop will trigger the display of the following messages: Start SLM or Pending Instrument Start LOG recording “Please stop “Stop timer measurement Stand-by...
  • Page 79 UMMARY OF ICONS AND KEYS Symbol Explanation Symbol Explanation Activate Activate disabled Audio / Audio OFF Audio disabled Audio ON Back to Back to previous menu previous menu disabled Back erase disabled Back erase / Back erase Back erase ON Calibration Calibration disabled Electrical check...
  • Page 80 Symbol Explanation Symbol Explanation Stop Stop disabled Redo Redo disabled Pull-down list Pull-down list disabled Next screen Previous screen Validation disabled / OK Validation / OK disabled Full battery Empty battery Battery is charging / UPS Battery is charging active (with CME01 & CME02) Programming active Programming ON...
  • Page 81 CHAPTER 7 WEB I NTERFACE RESENTATION ESCRIPTION OF THE WEB INTERFACE The web interface (Instrument’s embedded application) has been designed for access through the Internet. The instrument acts as a Web server. The application software is then embedded in the instrument as HTML pages. Remote access to the instrument can be achieved using an Internet navigator on all types of remote control (PC Tablet PC / Internet Tablet or Smartphone).
  • Page 82 Zone 1 Zone 2 Zone 3 The status bar contains different icons and informs the user on the status of the instrument. The working zone allows displaying the main and secondary menus (as HTML page tabs), measured levels and associated graphs. Context commands of the keys are shown as text and icons (e.g.,...
  • Page 83 7.1.1 Web interface screens 7.1.1.1 Start-up screen When opening the Web interface, the following screens are displayed: Start-up screen: The operator must enter the production output IP address of the instrument: http://192.168.0.1 if Ethernet connection http://192.168.1.1 or http://name_serialn° if Wi-Fi connection in the Web browser in order to access the web interface, after configuration of the network (see CHAPTER 8 Communication and connections).
  • Page 84 7.1.1.2 Infos screen Once the connection is set up, the generic “Infos.” screen is displayed: 7.1.1.3 Main menu The main menu of web interface is made up of several tabs. The selected tab is displayed in a light colour (grey background): ...
  • Page 85 7.1.1.4 Sample screen Status bar Main menu Secondary menu Content Measurement commands (“remote keys”) Note: PNL indicators are only available on CUBE and DUO...
  • Page 86 7.1.2 The status bar 3 examples of status bar Various icons are displayed, depending on the status of the instrument: Current mode: Storage, SLM in progress, SLM Pause, Ready, USB connected, SD card disconnected, Electrical check, Sound calibration in progress and stabilisation time (stabilisation icon).
  • Page 87 7.1.3 Command zone The measurement command bar contains 4 command buttons. It is displayed in all screens. Buttons are blue if they can be activated, otherwise they are grey. Launching a measurement command from the Start SLM or Start LOG will systematically display the Real time tab. The Standby command can be used to set the instrument to standby mode.
  • Page 88 ETTING UP THE NOISE MEASUREMENT PARAMETERS ONFIG NFOS EAL TIME TABS 7.2.1 Managing a measurement configuration (Meas. Config. tab) When the Meas. Config. tab is opened, the following items are displayed on top of the interface: In the pull-down menu, the user selects the measurement configuration to apply. After adequate selection of the configuration short name from the list, the user can Edit, Delete or Activate the selected configuration.
  • Page 89 7.2.1.2 Activate a configuration Press the activation button to display a window indicating the estimated end date for the measurement, taking into account the discriminating value between the remaining battery operating life and the remaining memory on the SD card, calculated along with all measured parameters, including audio recording 20% of the time.
  • Page 90 7.2.2 Setting up the acquisition (Meas. Config. tab) 7.2.2.1 Store sub-menu The Store sub-menu is used to set up all the values that will be stored during the acquisition:...
  • Page 91  LXeq: selection of equivalent continuous levels with A, B, C, Z frequency weightings, recorded at every logging period T. Check boxes allow for multiple choices among LAeq, LBeq, LCeq and LZeq.  Selection table for levels recorded with X = A, B, C or Z frequency weightings and Y= F (Fast), S (Slow) and I (Impulse) time weightings.
  • Page 92  Delete data older than: this field can be used to select the maximum duration for which data is stored on the SD card. Value 0 or between 2 and 9999 days. If the value is set to 0 days, no data is deleted. The default value is 0 days. The data to be deleted is analysed automatically when a measurement stops (manual stop or automatic stop).
  • Page 93 Event No.: selected from none, 1, 2, 3, 4 and 5. Default value: empty box (no “-” icon).  Press “+” to create event 1; Press “-” to delete event 1. Subsequent actions apply to the selected event.  Code: used to assign a code to the event. The value can be selected as none or between 6 and 10 (lower codes are reserved for manual coding).
  • Page 94  Send HTTP trigger #: sends an http command to another device on the same network (DUO, FUSION , CUBE, ORION) allowing the creation of a trigger by HTTP command; # [from 1 to 5 or None], by default None ...
  • Page 95 Trigger menu for “Slope +” and Trigger menu for “Between” and “Slope -” Trigger Mode “Exclude” Trigger Mode  Trigger mode: Depending of the trigger type, up to 4 different modes are available Slope +: trigger is active if the value is higher than the Start trigger level Slope –: trigger is active if the value is lower than the Start trigger level Between: trigger is active when the value is between the low and high trigger levels...
  • Page 96 Diagram illustrating the different parameter settings for automatic trigger with slope + mode. Diagram illustrating the different parameter settings for automatic trigger with slope – mode...
  • Page 97 Diagram illustrating the different parameter settings for automatic trigger with between mode. Diagram illustrating the different parameter settings for automatic trigger with exclude mode. Limit on audio recordings due to maximum memory buffer size: Let’s define T1 = (pre-trigger+minimum time duration) setup by the user and T2 = (pre-trigger applied by the instrument on the audio recording), then we obtain:...
  • Page 98 Coding start and start of fast logging = date/time of trigger confirmed - T1 Audio recording start = date/time of trigger confirmed – T2 with T2 depending on the audio sampling frequency as the following table indicates: Audio sampling frequency 51200Hz 9sec.
  • Page 99 7.2.2.4 Timer sub-menu Timer sub menu allows to program timers. Timer functions are available only in LOG mode. The timer is active in standby mode. The Timer mode can be exit by changing the configuration or by selecting a configuration where the timer is not active Type of timer ...
  • Page 100 7.2.2.5 Signal(s) sub-menu The signal (s) sub-menu allows to set up audio signals: Audio signal type : allows selecting either RAW (uncompressed data for dBTrait post- processing) or MP3 (format MPEG-1/2 Audio Layer 3 compressed data) Audio signal sampling frequency: allows selecting audio signal sampling frequency; Possible choices: For RAW : 51.2kHz, 25.6kHz, 12.8kHz, 6.4kHz, 3.2kHz, 1.6kHz) For MP3 : 48kHz, 32kHz, 16kHz, 8kHz...
  • Page 101 0.3 Hz filter (used as a 1/3 octave filter for instance). Reference direction [°]: With internal input selected:  0° greyed because CUBE has no internal input. With external input selected:  0° corresponds to the measurement configuration for aircrafts noise, DMK01 mounted vertically ...
  • Page 102 The Infos tab can be split up into several zones as described below.
  • Page 103 7.2.3.1 Measurement configuration The name of the active configuration is a hypertext link that allows opening a new tab describing the entire active measurement configuration:  Stored indicators  Storage parameters  Type of coding  Time parameters Signals recording parameters… ...
  • Page 104 7.2.3.2 Location  Location: in this field the user inputs the name of the test site. This name then defines the name of the directory used to store the measurement campaigns. This text field is accessible only if the instrument is in Ready mode and contains a maximum of 12 characters.
  • Page 105 7.2.3.3 Metrology  Last acoustical calibration date: this information field indicates the date of the last calibration done using a noise calibrator. Last electrical check status: informs about the status at the last electrical check. “OK”  means that the conditions are fulfilled. “NOTOK” means that the conditions are not fulfilled for at least one of the controlled frequencies.
  • Page 106 7.2.3.5 System log Pressing the System log icon opens up a new tab listing all events, with 3 levels:  CRITICAL: critical events are listed in red.  WARNING: events requiring particular attention are displayed in orange.  INFORMATION: informative events are listed in green. Up to 500 events are stored in non-volatile memory.
  • Page 107 7.2.4 Real-time displays (Real time\Noise tab) The screen is split up in several actives zones: ‘Instant values’ zone  ‘Spectrum’ zone  ‘XL instant values’ zone (bargraph)  Clicking on the different zones of the screen allows changing the indicators on display, or switching from a graphic display (spectrum, graph) to a numerical display.
  • Page 108 7.2.5 Real time menu in Ready mode 7.2.5.1 Real time/Noise screen in Ready mode The following screen is displayed when opening the Real time tab in Ready mode: to noise screen to weather screen Instant values zone Spectrum zone Measurement commands ...
  • Page 109 7.2.5.2 Real time\Weather screen in Ready mode Weather screen display in Ready mode: The values displayed on this screen cannot be modified by the user.
  • Page 110 7.2.5.3 XL page in Ready mode (Noise) Green value zone Yellow value zone  Press Back to go back to the main page of the Real time/Ready mode. Modification of indicators on display (valid on all modes):  Press the green zone to open a selection list that allows selecting the type of value and then the value to display.
  • Page 111  Press the yellow zone to display a selection list that allows selecting the value to display, like for the green zone. The selected indicators are shown in the bargraph of the main page, in the Instant values page and in the Graph focus page. The indicators can be selected among all measured parameters (see §...
  • Page 112 7.2.5.4 Instant values page in Ready mode (Noise) Green value zone Yellow value zone Light yellow value zone  Press Back to return to the main page of the Real time/Ready mode.  Press the green, yellow or light yellow zones to open a selection list for the value to display, as described in the previous paragraph.
  • Page 113 7.2.5.5 Spectrum page in Ready mode Spectrum zone Blue/red value zone The visual display tool allows displaying, in addition to an average value, its maximum value collected (in red colour), refreshed every 5 sec (this latter value is only for display and is not stored in the measurement file).
  • Page 114 7.2.5.6 Spectral numerical values page in Ready mode  Displayed values correspond to values selected on the Spectrum page (Leq0.5s for the example).  Press Back to go back to the Spectrum page in Ready mode. Note; a “v” sign in front of a numerical value indicates an under range or insufficient level for the corresponding frequency band.
  • Page 115 7.2.6 Real time menu in SLM mode 7.2.6.1 Main screen If the user launched a measurement in SLM mode (by pressing on Start SLM), the display is changed with two additional pieces of information as shown below: display in white of a user- selectable overall level and the time elapsed since the beginning of the measurement (information in white characters).
  • Page 116 The Pause icon is replaced with the Continue icon as shown below: Press on Notes to open an input window. Press again to open the same note. The size of this text field is limited to 2000 characters. If, upon the first opening, the operator does not type in anything, then the note is not created. Notes recorded during the measurement can be accessed later on when processing the campaign in dBTRAIT.
  • Page 117 To weather screen Instant values zone Overall values zone Spectrum zone  Press (or right click with the mouse) on the Instant values zone to display the Instant values page (4 values).  Press (or right click with the mouse) on the XL Instant values zone to display the XL Instant values page (2 values).
  • Page 118 7.2.6.2 XL page in SLM mode The display is very similar to the one in Ready mode, with the indication of the time elapsed since the beginning of the measurement. The selected values are shown as numbers and bargraphs. Values can be selected among all measured parameters (see §...
  • Page 119 Here again the display is very similar to the one in Ready mode, with the indication of the time elapsed since the beginning of the measurement.  Press Back to return to the main page of the Real time/Ready mode. ...
  • Page 120 7.2.6.5 Instant values page in SLM mode  Displayed values correspond to values selected on the Spectrum page.  Press Back to go back to the Spectrum page in Ready mode. “Back Erase” and “Notes” actions are also available from this screen.
  • Page 121 7.2.6.6 Instant values page in SLM mode Green value zone Yellow value zone Individual selection zone  Press Back to return to the main page of the Real time/SLM mode.  Press the green zone to open a selection list for the value to display. ...
  • Page 122 7.2.7 Real time menu in LOG mode 7.2.7.1 Main screen The main screen includes several page selection zones: To weather screen Secondary menu Instant values zone Graph zones (XL values displayed) Overall values zone Spectrum zone Secondary menu:  Possibility to define codes 1, 2, 3, 4 and 5 (also called markers). Several codes can be activated simultaneously.
  • Page 123 7.2.7.2 Secondary Weather screen in LOG mode Weather screen display in LOG mode: The values displayed on this screen cannot be modified by the user.
  • Page 124 7.2.7.3 XL page This screen displays the numeric bargraph values in an even larger size. Green value zone Yellow value zone  Press Back to return to the main page of the Real time/LOG mode.  Press the green zone to open a selection list for the value to display. ...
  • Page 125 7.2.7.4 Instant values page in LOG mode The values displayed on this page are calculated and refreshed every 500ms: Green value zone Yellow value zone Light yellow value zone The display is identical to the ready mode, with additional indication of the time elapsed since the start of measurement.
  • Page 126 7.2.7.5 Overall values page in LOG mode In this case the web interface is displaying overall values of selected indicators as calculated over the elapsed time. Green value zone Yellow value zone Individual selection zone  Press Back to return to the main page of the Real time/LOG mode. ...
  • Page 127 7.2.7.6 Graph page Clicking in the time history zone of the Real-time main screen will display the following page: Time cursor Selection zone of 2 values to display The display allows viewing 2 minutes of current graphs live, the corresponding time indication and the levels of the 2 selected indicators corresponding to the cursor position.
  • Page 128 7.2.7.7 Spectrum page Clicking in the spectrum zone of the screen will display the following page: Spectrum zone Blue/red value zone The visual display tool allows displaying, in addition to an average value, its maximum value collected (in red colour), updated every 5 sec. “Left/Right”...
  • Page 129 LeqT: equivalent continuous level calculated over the logging period LeqT: equivalent continuous level calculated over the logging period Leq: equivalent continuous level calculated since the measurement start LYeq0.5s: equivalent continuous level based on LY calculated every 0.5 s LY: Y-weighted sound pressure level refreshed every 0.5s ...
  • Page 130 7.2.7.8 Numerical values page in LOG mode This page is displayed by clicking on the spectrum zone of the previous screen.  Displayed values correspond to values selected on the Spectrum page (selected parameter us recalled on top left above the tables). ...
  • Page 131  value for DMK01 configuration with 40CD (by default -0.2 dB)  value for DMK01 configuration with MCE3 (by default -0.2 dB) for CUBE SLM  value for user microphone configuration (by default 0 dB). Sound level calibrator must be compliant to IEC 60942 (CAL 21). The calibration frequency is 1000 Hz.
  • Page 133 7.3.2 Display 2: Calibration in progress During calibration, command buttons are disabled and no measurement can be launched. The calibration occurs on the LCeq value, with an integration time of 8 seconds. Wait for the signal of the noise calibrator to stabilise before starting the calibration procedure. Note: This page automatically appears if the user has placed the standard noise source on the microphone and has activated it, whatever page displayed beforehand.
  • Page 134 7.3.3 Display 3: End of calibration with satisfactory value (correction < 1.5 dB) The new calibration values are indicated in green. The user can either redo, or cancel or validate this new calibration.  Press Redo to go back to Display 2. ...
  • Page 135 7.3.4 Display 4: End of calibration with wrong value (correction > 1.5 dB) The new calibration values are indicated in red. The user can either redo or cancel the calibration procedure.  Press Redo to go back to Display 2. ...
  • Page 136 7.3.5 Display 5: Calibration history A summary table listing the results of previous calibrations is available to view the calibration history. Up to the last 500 calibration values are stored in the memory.
  • Page 137 7.3.6 Display 6: Electrical check The electrical check is used to perform a test of the entire measurement chain, including the microphone capsule. It consists in injecting a sinusoidal charge into the microphone at selected frequencies at one or two levels relative to the maximum level. The principle is to collect the reference values (electrical check set-up) and to check that the possible deviation between the reference values and the actual measured values (obtained at periodic intervals upon the user’s choice for automatic check, or just from time to time on user’s action) does...
  • Page 138  one level at 100% and the other at 0% (single pass). 7.3.7 Display 7: Set-up of the current electrical check The current display shows the progress of the measurements (about 4 seconds per frequency and per level). 7.3.8 Display 8: End of electrical check set-up Reference values are indicated and saved.
  • Page 139 7.3.9 Display 9: Electrical check in progress Indicated values correspond to the difference between reference values and the values of the measurement in progress. The green colour means that the difference is within tolerance. Red display means that the measurement is out of tolerance.
  • Page 140 7.3.10 Display 10: End of electrical check with OK test The new check values are indicated in green. The user can either, redo, cancel or validate this new electrical check.
  • Page 141 7.3.11 Display 11: End of electrical check with NOK test The new values are shown in green if they fulfil the maximum deviation condition, else red. The user can redo, cancel or validate this new electrical check. The off-tolerance results can be due to a microphone default or more generally a default of the measurement chain, but also to some high interference (over 10 dB below the excitation level measured during set-up) during the electrical check.
  • Page 142 7.3.12 Display 12: History of electrical checks A summary table listing the results of the previous electrical checks is available to view the calibration history. Up to the last 500 calibration values are stored in the memory. The recording of the 501 result will erase the 1 recorded result...
  • Page 143 ETTING UP THE MEASUREMENT SYSTEM 7.4.1 General points  Date & time: allows for manual input of date and time parameters. These fields are modified automatically if one of the clock synchronisation options (GPS or NTP) is active and operational. ...
  • Page 144  NTP server: used to define the NTP server Example: time.windows.com  Language: possible selection among for instance: English, Chinese (PRC & Traditional), Dutch, French, German, Hungarian, Italian, Korean, Portuguese, Romanian, Spanish (Castilian), Thai… and more through software updates.  Max.
  • Page 145 7.4.2 Built-in screen This function allows customising the built-in screen of the instrument. The user can select the indicators to display on screens, and this for each operating mode. 7.4.2.1 Display mode: values Internal display example for values...
  • Page 146 The selection is done among all possible values selected in the current measurement configuration, each box with a red frame (as shown below) opening the appropriate selection list. Green and yellow values are instant values, while white values are overall values. If “None”...
  • Page 147 7.4.3 Network In this sub-menu, the user can access the configuration of the instrument's communication modes and protocols via various secondary menus. Secondary menus 7.4.3.1 Ethernet sub-menu The following parameters can be configured by the user:  DHCP: this option enables the IP address to be configured automatically when it is connected to a network that has a DHCP server (e.g.
  • Page 148 7.4.3.2 Wi-Fi sub-menu The following parameters can be configured by the user:  Ad-hoc: Ah-hoc mode if activated  Channel: if Ad-hoc active, the channel can be selected (selection between 1, 6 or 11).  SSID name: Name of the Wi-Fi network to which the instrument connects. ...
  • Page 149 7.4.3.4 GSM sub-menu The following parameters can be configured by the user:  SIM PIN code  Access point name (APN)  SIM user name: required by some operators in some countries  SIM password: required by some operators in some countries ...
  • Page 150 7.4.3.5 Server sub-menu The following parameters can be configured by the user:  HTTP listening port  FTP listening port  FTP login: for file transfer  FTP password: for file transfer...
  • Page 151 7.4.3.6 Client Sub-menu FTP Client menu allows for configuring the automatic push data transfer. The following parameters can be configured by the user:  Connection - It is possible to configure the two servers independently Server 1: transfer of data to a primary server – If the Cadence option is selected on ...
  • Page 152 RAW Signal(s) file(s) : RAW or MP3 signal(s) file(s) Settings...
  • Page 153  Push on opened session: In this mode, the data are pushed in append mode while the measurement session is open.  Push data every: ability to push data in append mode at each period defined in this field HH: mm (default 00:00: open session push mode disabled). ...
  • Page 154 <NewHistory>1</NewHistory> <EventAlarm Code="x">x</EventAlarm> <EventAlarm Code="x">x</EventAlarm> </StateOfHealth> “Model” Tag: commercial name of the device (DUO, FUSION or CUBE) “Device” Tag: 01dB/CMG device type (DUO=1100, FUSION=1500, CUBE=1600) “SerialNumber” Tag: Serial number (typically 5 numbers) “LocalTime” Tag: Date in local time (YYYY-MM-DDTHH:MM:SS) “TimeZone” Tag: Official name of the time zone (ex: « Romance Standard Time » for Paris) “Bias”...
  • Page 155  2: Very low available space (<3Mo)  3: Low available space (<50Mo)  4: No problem “NbSatellites” Tag: Number of viewed satellites “Latitude” Tag: Latitude in decimal value “Longitude” Tag: Longitude in decimal value “GSMStrength” Tag: GSM power level 0 to 4 bars “GSMNetwork”...
  • Page 156  AC output NA (no internal microphone) Note: For the CUBE with the serial number greater or equal to 10957 the AC output is available with the external microphone. To have this feature, the RAL137-10M must be used and selected on the user interface. In this case the gain is fixed (+13dB / maximum voltage 3.4Vpp)
  • Page 158 3%.  Solar panel for CUBE with S/N<14000: This mode must be selected only when a solar panel is directly plugged into the 8V-28V input. It is a specific charging mode (MPPT: maximum power point tracking) not compatible with the standard charger: a standard power supply (with fixed voltage lower than 18V) plugged on the 8V-28V input will neither power on nor recharge the instrument.
  • Page 159 standard power supply will neither power on nor recharge the instrument. The only way to wake-up the instrument is to charge it through the USB input or plug a power supply with a voltage between 18V and 28V. This management of power-on/off avoids to switch-on and switch-off the instrument when the internal battery charge level is low and the solar panel does not deliver enough energy for recharge.
  • Page 160 7.4.6 Miscellaneous In this screen the user can manage finer functionalities of the system, such as:  Change of password  Check of the system components  Update of firmware  Formatting of the SD memory  Export and import of measurement configurations ...
  • Page 161 Auto test: performs an automatic test of the instrument’s functions   Ethernet  Wi-Fi module  GSM module  Power supply  Metrology (background noise)  SD card Firmware update In the example above, the update will upgrade from version 2.39/2.12 to 2.40/2.12. The update can only be done if the instrument charger is connected to the mains.
  • Page 162 SD card formatting: Export configuration: export measurement configurations from the instrument to the SD card. Import configuration: import measurement configurations to the instrument from the SD card, in the directory “xml/configurations”. Note: once a measurement configuration has been exported, it can be downloaded from the instrument to a PC using FTP file transfer software.
  • Page 163 7.4.6.1 Firmware and operating system update The update of the instrument program is achieved after the user is provided with a .czip file. This file must be copied to the SD card (at the root of the card) after its formatting (make sure the data are backed up before formatting).
  • Page 164 7.4.6.1.2 Firmware update  Connect the instrument charger  Connect an Ethernet cable between the PC and the instrument to perform the update via Ethernet.  On the PC, open a recommended Internet browser and log onto the instrument Select “System Config”, then “Misc.” and then “FW update” ...
  • Page 165 IEWING MEASURED DATA TORED DATA TAB The main page of the Stored data tab is shown below: Zone 1 Zone 2 The Stored data tab includes 2 zones:  The first zone lists all measurement campaigns. For each campaign, the following information is displayed: name of site, starting date and time, duration, possibility to select for the user.
  • Page 166 7.5.1 Selection of the measurement campaigns To view a measurement campaign, the operator must select the corresponding line in the list of measurements and then click one of the lines to open the interface showing the stored data. The window you can see next page is displayed when selecting for instance the line within the yellow box:...
  • Page 167 Measurement info zone Overall values zone Spectrum zone  The Measurement info. zone provides general information on the measurement campaign : location, additional comment about the measurement location, measurement start, duration, measurement end.  The Overall values zone shows overall data for the measurement period. ...
  • Page 168 7.5.2 Displaying overall values Overall values are those previously selected by the user, during the measurement in LOG mode or in SLM mode. If there are many data to view, the scroll bar on the right can be used. Moreover, clicking on this zone (Overall values) will focus the display on the Measurement info.
  • Page 169 The operator can select the overall/Max/Min indicator represented graphically by clicking on one of the 3 following indicators: Selection zone of value to display The user can then select the value to display among the indicators available in the selection list (which reflects the user’s previous choice when defining the measurement campaign and related indicators to acquire).
  • Page 170 Max./Min. values can be displayed by selecting the indicator in red for Max values or green for Min. values.
  • Page 171 ELETING MEASURED DATA TORED DATA TAB Selecting measurement campaigns The main page of the Stored data is as follows: Selected measurement to delete The user selects the measurement campaigns to delete by checking the corresponding Select. boxes. To make deletion effective, the user must then click on the Delete button. Note: global selection is possible using the Select All button.
  • Page 172 This induces the following window prompting the user to confirm the action: The Back button is used to discard deletion of the selected campaigns, whereas a click on the Validation button makes it definitive. Note: If a large number of measurements have to be deleted (e.g., a hundred), the operation can take some time.
  • Page 173 EB INTERFACE ICONS AND KEYS Symbol Explanation Symbol Explanation Activate Activate disabled Edition Backup Validation / OK Cancel Back to previous menu Calibration Calibration disabled Calibration info. Electrical check Electrical check initialisation disabled initialisation disabled Electrical check Check disabled Calibration / check history Code 1 OFF Code 1 ON...
  • Page 174 Symbol Explanation Symbol Explanation Code 4 OFF Code 4 ON Code 4 disabled Code 4 info. Code 5 OFF Code 5 ON Code 5 disabled Code 5 info. No code info. View no error Right scroll Left scroll Fast forward Back erase time Back Erase ON Comment...
  • Page 175 Symbol Explanation Symbol Explanation SD card formatting SD card formatting in progress Self-test Self-test disabled Updating Up to date Export config Import config Start stop / Continue Start stop / Continue disabled Pause Record Record disabled Standby Standby disabled Stop Stop disabled Battery completely Full battery...
  • Page 176 Symbol Explanation Symbol Explanation Communication OK Communication OK with roaming Communication NOK Aircraft mode Start stop / pause Continue info. info. Record info. No SD card info. Msd info. Stabilisation info. System ready info. *WLS sensor *WLS sensor connected, connected, 25% ≤...
  • Page 177 FUSION and WLS with SN<20 000) and an iPad-type tablet or a laptop computer (Windows 7 or lower). For Windows 8 and 10 please check dedicated FAQ on the 01dB portal. TDS1124 December 2019 B - DUO FUSION CUBE - Connection WiFi AdHoc with Windows 8 and 10 EN 8.1.2.1.1...
  • Page 178 Select Internet Protocol (TCP/IP) and click on Properties. Ticks the following field:  Select Obtain an IP address automatically By default, the instrument belongs to:  The following wireless network:  SSID name: CUBE_[S/N] Data encryption: disabled  The following sub-network: Wi-Fi IP address: 192.168.1.1 Wi-Fi sub-network mask: 255.255.255.0...
  • Page 179 Note: If the connection between one or several instruments and the Web interface is established through a point-to-point (ad-hoc) network, the user will have to select an SSID name common to all instruments. Note: The address to enter in the browser is: http://XXX.XXX.XXX.XXX with XXX.XXX.XXX.XXX, the IP address declared in the Network system config menu, or if a...
  • Page 180 8.1.2.2 Infrastructure mode The “Infrastructure” mode is an operating mode that allows connecting computers equipped with a Wi-Fi card through one or several access points (AP) that act as hubs (e.g., repeater or switch on an Ethernet network). In this case, the implementation of such a network requires setting up “Access Points”...
  • Page 181 GSM- OMMUNICATION USING A TYPE NETWORK 8.2.1 General In GSM wireless communication mode, the strength of the communication signal with the instrument is indicated as a visual icon on the built-in display and on the web interface remote display. GSM communication with the instrument makes it directly available from the internet (via the World Wide Web).
  • Page 182  Port number  Limitations may exist on port numbers. Please contact your service provider for more information on this topic.  Specific case  The instrument might return a private IP address although the inserted SIM card has been delivered with the public IP option. Please contact your service provider in order to get the correct public IP identifier linked to the provided SIM card Connection examples...
  • Page 183 8.2.2 Setting up GSM communication The connection between the instrument and the web interface through GSM is set up simply by knowing the IP address of the instrument connected to the network. To know this IP address, generally a non fixed address, two methods are possible: Send an SMS (with string “IP”) so that the instrument sends a reply with its current IP ...
  • Page 184 8.4.2 Setting up Ethernet network communication Configure the connection to the local network with a fixed IP address: For instance, for Windows 7, open the “Local network connection properties” window: Select Internet Protocol (TCP/IP) and click on Properties: Enter the following values: ...
  • Page 185  IP address: 192.168.0.X with X ranging from 1 to 255 and different of the instrument value (which must be 192.168.0.Y, with Y from 1 to 255, different of X)  Sub-network mask: 255.255.255.0 By default, the instrument is defined as follows: ...
  • Page 186 3-Create NAT/PAT rules for the instrument's HTTP and FTP ports: see the settings below (the example uses “DUO” for the HTTP port, and “DUO_ftp” for the FTP port): 4-Enable the DMZ service and redirect traffic from the Internet to the instrument's IP address: 5-Configure the Ethernet network on the instrument: ...
  • Page 187  enter the subnetwork mask of the router (see 1-; here 255.255.255.0)  enter the default gateway (here 192.168.2.1) Note: This case of connection using an ADSL router is interesting since it avoids GSM subscription fees, while benefiting from ADSL and unlimited quantity of transferred data. Thus, in the case of a measurement point located at a position covered by a Wi-Fi router ADSL modem (with Administrator’s rights), an instrument can be accessible at no cost from anywhere.
  • Page 188 ONNECTION TO THE VIBRATION SENSOR Connection is established through the Ad-Hoc Wi-Fi network. Set the following parameter and validate the modification:  Set the SSID name to be that of the WLS sensor, i.e., WLS_[Serial number] Validate the setting and the following parameter will be automatically set: ...
  • Page 189 ONNECTION TO THE WEBCAM Optionnaly it is possible to add a webcam (AXIS M3037-PVE). Connected using Ethernet directly to the sound level meter, the webcam trigger is driven by the TTL output of the device. When the TTL output corresponds to the TTL input trigger of the webcam, it creates pictures and/or videos and push these files into the SD card of the device.
  • Page 190 In the above example (FileZilla),  the IP address is 192.168.1.1  the user ID (FTP user) is 01db  the password is 01db (●●●●)  the listening port is 21. Folders containing measurement files are identified by: [date]_[start time]_[end time]. Note: In order to keep the instrument’s FTP server operational, it is reset every day at midnight for prevention purposes.
  • Page 191 8.8.2 USB connection and extraction of the SD card Connecting the instrument through USB using the supplied mini USB/USB cable allows viewing the data stored on the memory card as an external drive. Note: No driver installation is required on the first connection. Note: The USB connection is possible only when the instrument is in Ready mode.
  • Page 193 FUNCTIONALITIES 8.9.1 SMS alarms  On event  message content: instrument serial #, location, date and time, user defined text, IP address:http port  On low battery (% set by the user)  message content: instrument serial #, location, date and time, % remaining battery ...
  • Page 194 http://ip:port/pub/stoplog.asp Start log (equivalent to “Start Log” button”):  http://ip:port/pub/startlog.asp  Measurement configuration activation: http://ip:port/pub/activateconfiguration.asp?config=XXX XXX is the name of the configuration in memory to activate.  Activation of the VNC server http://ip:port/pub/Remote.asp?flag=2 Note: To stop the VNC server a reboot of the device is needed ...
  • Page 195 OFTWARE 01dB has developed a specific application, dBFileManager. This application allows for a simplified connection to the DUO, FUSION, CUBE and ORION instruments (by FTP protocol) for downloading measurements, as well as various other operations. The dBFileManager software may be launched from the dBTrait software, via the « File »...
  • Page 196 A “default” instrument is available in the catalog, allowing an easy and quick connection to a brand new instrument with its factory settings. When connecting to “default”, the instrument type is automatically determined (whatever the type is: DUO, FUSION CUBE, or ORION).
  • Page 197  The selection of measurement campaigns to be downloaded  The selection of the data types to be downloaded (choices are different between DUO/FUSION/CUBE and ORION).  The copying mode (in case of copy renewal)  Two buttons for launching / stopping the download process The option «...
  • Page 198 9.4.3 Transfer configuration files The Transfer configuration files tab is dedicated to 3 functions, which procedures are described here below: Download of measurement configurations and/or systems configurations  Select the « Source instrument »  Press the « Download to computer » button: Starts downloading of the configuration files available in the «...
  • Page 199 Catalog management The dBFileManager Instruments catalog is a directory allowing the user to list all DUO, FUSION, CUBE and ORION instruments for which the user may want to transfer data. Note: The dBFileManager Instruments catalog is shared with the dBDataCollector automatic transfers application.
  • Page 200 Once all information concerning the new instrument has been entered, the user confirms by pressing the OK button. The new instrument then appears in the catalog listing on the left:...
  • Page 201 Description of the fields available for each instrument:  Name: instrument identification  Instrument type  Ethernet: Instrument Ethernet IP address  Wi-Fi: Instrument Wi-Fi IP address  GSM/dtDNS: GSM/GSM IP address, or name of dtDNS host if this parameter has been configured on the unit ...
  • Page 202 9.5.3 Browsing the Instruments catalog and Connections The Instruments catalog can be browsed by selecting the instruments that appear in the list on the left of the Catalog window. When an instrument is selected, it is possible to start a connection using the buttons to the right of the Catalog window: The connection is possible for all types of non-empty addresses for the selected instrument.
  • Page 203 To transfer the Instruments catalog from one computer to another, simply copy the CatalogInstrument.xml file from the [ALLUSERSPROFILE]/dBHard/ directory on the source computer and paste this in the same directory on the target computer. 9.6.3 Trouble shooting In case of connection issues: check the Windows firewall settings on your computer. Sometimes it can be necessary to set the network options of dBFileManager to both «...
  • Page 204 CHAPTER 10 ENERAL INFORMATION 10.1 ATA FORMAT Measurement sessions are stored as .CMG files with associated files and subdirectories. All files are stored in a directory corresponding to the measurement date and time. During a measurement, a .CMG measurement session is systematically closed at midnight and a new one starts without data loss at 00:00:00 (with possibly a NTP or GPS clock re- synchronization) this open/close process is also done every time an electric check is automatically performed.
  • Page 205 10.2 TORAGE MEMORY 10.2.1 Memory capacity and data storage size The instrument includes a slot for the SD card. The capacity of this memory allows storing all selected indicators:  Each stored indicator corresponds to 2 bytes.  Each stored 1/1 octave spectrum corresponds to 24 bytes. ...
  • Page 206 10.3 EFAULT CONFIGURATION FACTORY CONFIGURATION The factory parameter settings are as follows: 10.3.1 Information...
  • Page 207 10.3.2 Measurement configuration (default*)
  • Page 208 10.3.3 System configuration 10.3.4 Default value of calibration level The default calibration level is 94 dB, the default frequency weighting is C-weighting. 10.3.5 Default values for electrical check...
  • Page 209 10.3.6 Default values of Real time screen in the Web interface 4 instant values 7 overall values Spectral values    LAeq Leq0.5s   LAeq0.5s LCpeakMax   LCpeak LAFMax   LAF0.5sMax LAFMin  Ln1 (=L1)  Ln4 (=L50) ...
  • Page 210 CHAPTER 11 ECHNICAL PECIFICATIONS 11.1 LECTRONIC BASIS Designed around performing signal processors of type ARM9 and DSPs, the instrument can calculate in parallel several types of results (e.g., Fast, Slow, Impulse time constants, in A, B, C, Z frequency weightings). 11.2 OFTWARE BASIS Two separated software units ensure the instrument’s intelligence:...
  • Page 211 11.4 ABLE OF OPTIONS The table below shows the correspondence between the software options existing for the instrument and the equivalent option codes (corresponding letters) displayed in the summary of the Infos page: Option Initial Description Analysis and storage enabledfor 1/1 and 1/3 Spectrum octave spectra 1 automatic coding and5 manual codings...
  • Page 212 Note: the instrument includes a feature for short-term use of options via temporary licences. In this case, the instrument automatically returns to permanent licence when the licence expires. If a measurement is in progress when the temporary licence expires, the measurement only continues after expiry for indicators not requiring optional features.
  • Page 213 11.5 ETAILED TECHNICAL CHARACTERISTICS IEC class: IEC 61672-1 edition 2 (2013) (0° and 90° reference direction) IEC 61620 (1995) NF EN 61260/A1 (2002) Sound Level Meter, Integrating Sound Level Meter with storage, group X. Linearity range domain With 40CD microphone reference direction 90° [dB] Cpeak 25 –...
  • Page 214 Instant weather values stored Wind speed [m/s] Wind direction [°] Rain intensity [mm/h] Atmospheric pressure [hPa] Air temperature [°C] Relative humidity [%RH] Acoustic logging interval T Min. 20 msec - max. 3,600 s, 5 msec steps Fast logging interval: min. 20 msec - max. standard logging interval or 60 sec if standard logging interval is more than 60 sec, 5 msec steps Fast logging interval applicable only during coding The fast logging interval is a sub-multiple of the primary logging interval...
  • Page 215 Signals recording: Audio Audio signal type : allows selecting either RAW (uncompressed data for dBTrait post- processing) or MP3 (format MPEG-1/2 Audio Layer 3 compressed data) Audio signal sampling frequency: allows selecting audio signal sampling frequency; Possible choices: For RAW : 51.2kHz, 25.6kHz, 12.8kHz, 6.4kHz, 3.2kHz, 1.6kHz) For MP3 : 48kHz, 32kHz, 16kHz, 8kHz MP3 bit rate [kbps] : allows selecting MP3 bit rate ;...
  • Page 216 The background noise specific to the instrument results from the implementation of the standard microphone and is independent of the selected configuration (e.g., the configuration used for power supply, Wi-Fi, GPS, screen). Keys 4 silent keys: on/stand-by/off key and 3 multi-function keys Status indicators LED red (overload) LED blue (Wi-Fi connection)
  • Page 217  On SMS “reboot”, the instrument reboots to establish a new connection and replies with an SMS with instrument serial #, location, date and time, IP :port address  On SMS “GSM_PRIORITY=ON” / “GSM_PRIORITY=OFF”, the instrument enable / disable the priority to the GSM network Web interface refresh rate webpages Standard: twice per second Mobile: once per second...
  • Page 218 For continuous use (fixed point), it is strongly recommended to change the SD card considered a consumable every 6 months during the site visit, as it can be highly stressed and has a limited life. Clock GPS PPS, error < 50 milliseconds Internal clock, error <...
  • Page 219 11.6 OCTAVE BAND FILTERS Octave and third octave band integrated filters within the instrument are digital filters based on decimation and filtering of order 8. The list of centre frequencies is established in a base 2 system, the measuring range is unique and extends from background noise to 137dB range (see range table below).
  • Page 220 11.7 40CD ( ICROPHONE TYPE AND NOSE CONE The 40CD microphone (+ nose cone) has been designed for use with CUBE in external configuration (with nose cone, reference directions 0° or 90°). The main features are as follows:  ...
  • Page 221 11.9 DDITIONAL METROLOGICAL CHARACTERISTICS NFORMATION FOR TYPE APPROVAL 11.9.1 Initialization Upon start-up, the system relies on a self-control routine to make sure that:  The complete system is operational;  There is enough storage space;  Internal batteries are operational. The instrument keeps track of each start-up procedure (time-stamping and log).
  • Page 222 Note: The type 40CD microphone by G.R.A.S. is optimised to be used specifically with FUSION, CUBE or DUO. This microphone presents characteristics close to those of a random field microphone and should not be used with an instrument other than FUSION or DUO.
  • Page 223 11.9.6 Characteristics of the windscreen, external 40CE microphone (FUSION) and external 40CD microphone configurations (FUSION, CUBE or DUO) (use with DMK01), nose cone is mandatory 11.9.6.1 Maximum change in sensitivity level within various angles from the reference direction; reference direction: 0°...
  • Page 224 11.9.6.2 Maximum change in sensitivity level within various angles from the reference direction; reference direction: 90° Loudspeaker distance: 2 m Mounting: One plane of symmetry Level: 84 dB Frequency weighting: Z (Lin) Maximum change in sensitivity level within various angles from the reference direction, in decibels: with a ±...
  • Page 225 11.9.6.3 Weighting frequencies 40CE (FUSION) ; reference direction: 0° Reference pressure level: 84 dB Reference frequency: 1,000 Hz Loudspeaker distance: 2 m Accessories: - DMK01 with preamplifier PRE22 - Windscreen for external unit DMK01 - Nose cone RA0208 - Extension cable RAL135 10m Temperature: 20.7°C Relative humidity: 40.5% Static pressure: 998.4 hPa...
  • Page 226 Level deviation dB Nominal Expanded MPE Class 1 Frequency weighting frequency uncertainty (dB) (Hz) (k=2) (dB) 7,080 -0.3 -0.3 -0.0 +2.1; -3.1 8,000 -0.4 -0.4 +2.1; -3.1 8,410 -0.3 -0.4 +2.6; -3.6 8,910 -0.3 -0.2 +2.6; -3.6 9,440 -0.2 -0.2 +2.6;...
  • Page 227 Deviation dB Rated Extended MPE Class 1 Weighting frequency frequency uncertainty (dB) (Hz) (k=2) (dB) -0.2 -0.2 -0.1 ±1.5 -0.1 -0.1 -0.1 ±1.5 -0.1 -0.1 -0.1 ±1.5 -0.0 -0.0 -0.1 ±1.5 -0.2 -0.2 -0.2 ±1.5 -0.2 -0.2 -0.2 ±1.4 -0.2 -0.1 -0.2 ±1.4...
  • Page 228 Characteristics complies with the requirements of sound level meters for class 1...
  • Page 229 11.9.6.5 Weighting frequencies 40CD; reference direction 0° Reference pressure level: 84 dB Reference frequency: 1,000 Hz Loudspeaker distance: 2 m Accessories: - DMK01 with preamplifier PRE22 - Windscreen for external unit DMK01 - Nose cone RA0208 - Extension cable RAL135 10m Temperature: 21.5°C Relative humidity: 36% Static pressure: 994.2 hPa...
  • Page 230 Level deviation dB Nominal Expanded MPE Class 1 Frequency weighting frequency uncertainty (dB) (Hz) (k=2) (dB) 7,080 -0.1 -0.2 +2.1; -3.1 8,000 -0.4 -0.4 +2.1; -3.1 8,410 -0.4 -0.4 +2.6; -3.6 8,910 -0.2 -0.1 +2.6; -3.6 9,440 +2.6; -3.6 10,000 +2.6;...
  • Page 231 Level deviation dB Nominal Expanded MPE Class 1 Frequency weighting frequency uncertainty (dB) (Hz) (k=2) (dB) -0.1 -0.1 -0.1 ±1.5 -0.1 -0.1 -0.1 ±1.5 -0.1 -0.1 -0.2 ±1.5 -0.2 -0.2 -0.2 ±1.5 -0.3 -0.2 -0.2 ±1.4 -0.2 -0.1 -0.1 ±1.4 -0.2 -0.2 -0.2...
  • Page 232 11.9.7 Sound pressure levels displayed in response to the sound pressure generated by a multifrequency acoustic calibrator or in response to a simulated sound pressure generated by an actuator. Models of the calibrator or driving grid The correction data are detailed in §14.2: Correction factors according to IEC 62585 standard.
  • Page 233 Equipped with a polymer Lithium battery with a voltage of 3.7V and capacitance of 6750 mAh, CUBE has a rated operating lifetime longer than 20 hours. Its lifetime is of about 500 cycles of charge/discharge: its capacity is then 60% (and 80% after 300 cycles).
  • Page 234 11.13 C ONNECTORS TTL input/output RS232 (service and weather) Power supply: External microphone preamplifier input and analogue output: 11.14 E LECTROMAGNETIC COMPATIBILITY The instrument is compliant with standards noticed on the European declaration of conformity.
  • Page 235 CHAPTER 12 NTEGRATORS COMMANDS 12.1 NTRODUCTION The "integrators commands" allow retrieval of information in real time. The operator has the possibility to query device by a simple HTTP request, and device responds with the corresponding real time values. 12.2 ALUES To check the list of values available in real time (§12.3) HTTP command: HTTP://[IP address:http port]/pub/GetRealTimeValuesList.asp...
  • Page 236 12.3 ONFIGURE ALUES To configure the types of data that will be sent when the command “GetRealTimeValues” will be executed (§12.4). HTTP command: HTTP://[IP address:http port]/pub/ConfigureRealTimeValues.asp? V=[v1]&…&V=[v30]& S=[s1]& S=[s2]&W=[w1]&…&W=[w6] Where IP address is the IP address or the DTDNS name of the DUO and http port is the port opened for HTTP Parameters: Parameters of type V=vx where vx stays for an instant value label (maximum 30 values)
  • Page 237 12.4 ALUES To receive the data configured in §12.3 HTTP command: HTTP://[IP address:http port]/pub/GetRealTimeValues.asp Parameters: none Returned values: values in XML format: <PublicRealTimeValues> <LocalTime>YYYY/MM/DD HH:MM:SS.T</LocalTime> <Values>40.0;41.0;41.0</Values> <Spectrum1>40.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0</Spectrum1> <Spectrum2>40.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0;41.0</Spectrum2> <Weather>10.0 ;12.0 ;0.0 ;1000.0 ;34.0 ;54.0 ;</ Weather > </PublicRealTimeValues> where YYYY = year, MM = month, DD = day, HH = hour, MM = minute, SS = second, T = (0 or 5) half a second.
  • Page 238 12.5 UBLIC DISPLAY It is possible to connect to a simple web display enabling the visualization of real time values using the address: HTTP:// [IP address:http port]/pub/ The instrument replies with a simple web page actualized every second with 1, 2 or 3 values displayed: The top line: Left shows the instrument type and its serial number...
  • Page 239 </PublicStatus> where Device_Type = Internal 01dB identification number (DUO=1100, FUSION=1500, CUBE=1600) YYYY = year, MM = month, DD = day, HH = hour, MM = minute, SS = second mode = Recording (0); Startstop_Running (1); Startstop_Pause (2); Ready (3) ; Stabilization (4);...
  • Page 240 gsm_net = registered GSM network 0=none, 1=GPRS, 2=EDGE, 3=GSM, 4=GSM+ alerts = 1 if alerts detected, 0 if no longitude = decimal value for longitude latitude = decimal value for latitude timezone = time zone name bias = timeshift vs. UTC (UTC = local+bias) – value in minutes 12.7 LARMS To obtain the status of the alarms...
  • Page 241 <Trigger type="LAeqT"> <Mode>0</Mode> <WorstValue>90</WorstValue> <WorstValueTime>2011/04/05 22:35:38</WorstValueTime> <EndCondition>90</EndCondition> <EndValue>105</EndValue> </Trigger> <LocalTime>2011/04/05 22:00:00</LocalTime> <UTCTime>2011/04/05 20:00:00</UTCTime> </Alarm> <Alarm type="Movement"> <LocalTime>2011/04/05 22:00:00</LocalTime> <UTCTime>2011/04/05 20:00:00</UTCTime> <Latitude>10</Latitude> <Longitude>20</Longitude> <Distance>1500</Distance> </Alarm> <Alarm type="RecordingBegin"> <LocalTime>2011/04/05 22:00:00</LocalTime> <UTCTime>2011/04/05 20:00:00</UTCTime> </Alarm> <Alarm type="RecordingEnd"> <LocalTime>2011/04/05 22:00:00</LocalTime> <UTCTime>2011/04/05 20:00:00</UTCTime> <Error>1</Error> </Alarm> <Alarm type="TimeResynchro"> <LocalTime>2011/04/05 22:00:00</LocalTime>...
  • Page 242 12.8 ELETE LARMS To delete alarms log HTTP command : HTTP:// [IP address:http port]/pub/DeleteAlarms.asp Parameter: none Reply : « ERR » if error during deletion of alarms log ; else « OK » This command deletes the alarms log.
  • Page 243 Reference direction 90°  Configuration 2: DMK01 and windscreen with nose cone Verifiable components of the instrument :  CUBE sound level indicator  Microphones type G.R.A.S. 40CD  DMK01 weatherproof outdoor microphone unit (option), consisting of PRE22 preamplifier, RAL135-10M cable or RAL137-10M, G.R.A.S. 40CD microphone and RA0208 nose cone ...
  • Page 244 13.2 EVIEW OF ACOUSTIC MEASURED LEVELS SUBJECT TO VERIFICATION The following acoustic measured levels are part of the type approval: Instant levels:  LAF: A-weighted sound pressure level with FAST time constant  LAS: A-weighted sound pressure level with SLOW time constant ...
  • Page 245 (Legal verifications are performed by the legal metrological authorities of the countries under consideration) Category: CUBE “Smart Noise Monitoring Terminal”, manufacturer 01dB-Metravib Please refer to the version sheet available on the 01dB portal to check the approved firmware for each country.
  • Page 246 14.2 IEC 62585 ORRECTION FACTORS ACCORDING TO STANDARD 14.2.1 Electrical signal tests of frequency weightings 14.2.1.1 CUBE external microphone input for DMK01 Expanded Expanded Expanded Frequency Microphone SLM case Windscreen uncertainty uncertainty uncertainty (dB) (dB) (dB) (k=2) (dB) (k=2) (dB) (k=2) (dB) Outdoor DMK01 unit –...
  • Page 247 Expanded Expanded Expanded Frequency Microphone SLM case Windscreen uncertainty uncertainty uncertainty (dB) (dB) (dB) (k=2) (dB) (k=2) (dB) (k=2) (dB) Outdoor DMK01 unit – Reference direction 0°; Windscreen with noise cone 841,40 -0,17 0,25 0,18 0,25 0,14 0,20 891,25 -0,16 0,25 0,17 0,25...
  • Page 248 Expanded Expanded Expanded Frequency Microphone SLM case Windscreen uncertainty uncertainty uncertainty (dB) (dB) (dB) (k=2) (dB) (k=2) (dB) (k=2) (dB) Outdoor DMK01 unit – Reference direction 90°; Windscreen with noise cone 63,10 -0,32 0,25 0,17 0,25 0,00 0,20 66,83 -0,32 0,25 0,17 0,25...
  • Page 249 Expanded Expanded Expanded Frequency Microphone SLM case Windscreen uncertainty uncertainty uncertainty (dB) (dB) (dB) (k=2) (dB) (k=2) (dB) (k=2) (dB) Outdoor DMK01 unit – Reference direction 90°; Windscreen with noise cone 1258,93 -0,25 0,25 0,09 0,25 0,02 0,20 1333,52 -0,24 0,25 0,07 0,25...
  • Page 250 14.2.2 Use of GRAS type RA0014 ½ actuator 14.2.2.1 CUBE external microphone input for DMK01 Expanded Expanded Microphone and Wind screen Frequency Hz uncertainty uncertainty SLM case (dB) (dB) (k=2) (dB) (dB) reference direction 0°; windscreen with noise cone 125,89...
  • Page 251 14.2.3 Use of type B&K 4226 multifrequency calibrator 14.2.3.1 CUBE external microphone input for DMK01 Expanded Microphone and Expanded Frequency Hz uncertainty (k=2) Wind screen (dB) SLM case (dB) uncertainty (dB) (dB) reference direction 0°; windscreen with noise cone 125,89...