DSS Ranos dB 1 Instruction Manual Download Page 53

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Reference environmental conditions

Air temperature 23 °C | Static pressure 101,325 kPa | Relative humidity 50 %.

Reference orientation

Upright

Size

Ranos dB: 271,5 x 246 x 408 mm (D x W x H, including rubber feet and microphone,
H = 209 excluding microphone) Microphones MMDB1 and MMDB2: 333 x 12,7 mm (L x D)

Operating temperature

-10 to +50 degrees Celcius

Storage temperature

-20 to +60 degrees Celsius

Humidity

Up to 95% RH non- condensing

Electromagnetic
performance

Page 53 of 56

Summary of Contents for Ranos dB 1

Page 1: ...Instruction manual Ranos dB 1 Ranos dB 2 For firmware version 3 2 0 or higher ...

Page 2: ...formation about this product This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment Do not dispose of the unit or batteries as unsorted municipal waste it should be taken to a specialized company for recycling This device should be returned to your distributor or to a local recycling service Respect the local environmental rule...

Page 3: ...wer 28 Parts and accessories 30 Optional parts and accessories 34 Mounting options and measurement accuracy 35 Acoustic calibration using sound calibrator 37 Connect App software installation and connection via USB 39 Connect App working principles 41 Connect App Ranos settings page 47 Connect App Ranos live page 53 Connect App Ranos info page 54 Connect App Ranos calibration page 55 Dimensions in...

Page 4: ...g and user maintenance shall not be made by children without supervision Batteries are electrochemically live at all times Do not short circuit the battery terminals Inspect the battery consignment for signs of transport damage Ensure the consignment has all items listed on the delivery note or invoice i e batteries cables shrouds etc While unpacking each battery take care not to drop anything on ...

Page 5: ...idelines in this manual is not covered by the warranty and the dealer will not accept respon sibility for any ensuing defects or problems General Guidelines Neither Dutch Sensor Systems B V nor its dealers can be held responsible for any damage extra ordinary incidental or indirect of any nature financial physical arising from the possession use or failure of this product Due to constant product i...

Page 6: ...ery is fully charged and check the battery charge once every month When disconnecting cables always grasp the plug and do not pull the cable Precautions When transporting the Ranos dB especially with the battery installed use an appropriate case or packaging Do not clean the Ranos dB using solvents or chemicals Take care that no electrically conductive objects are left inside of the Ranos dB Dispo...

Page 7: ...tch Sensor Systems Ranos dB 1 and Ranos dB sound level meters with firmware 3 2 0 or higher The user manual calibration manuals and additional information can be downloaded from the support section at iotsoundsensor com About this manual Page 7 of 56 ...

Page 8: ... Frequency range LoRa 863 870MHz GNSS 1571 1606MHz Manufacturer Dutch Sensor Systems B V Antennestraat 66 Almere NL Model Ranos dB V3 0 3 Serial no 123456 Applicable standard Accuracy according to IEC 61672 1 2014 en performance class 2 Power rating 5VDC 60mA max IP rating IP67 Frequency range LoRa 863 870MHz GNSS 1571 1606MHz Manufacturer Dutch Sensor Systems B V Antennestraat 66 Almere NL Page 8...

Page 9: ...a 902 928MHz GNSS 1571 1606MHz Manufacturer Dutch Sensor Systems B V Antennestraat 66 Almere NL Model Ranos dB V3 0 3 Serial no 123456 Applicable standard Accuracy according to IEC 61672 1 2014 en performance class 2 Power rating 5VDC 60mA max IP rating IP67 Frequency range LoRa 902 928MHz GNSS 1571 1606MHz Manufacturer Dutch Sensor Systems B V Antennestraat 66 Almere NL Page 9 of 56 ...

Page 10: ...s LoRa connectivity and works 100 autonomously Lightweight housing waterproof GPS on board Easy to operate from any cloud platform Data visualization via DSS Dashboard that seamlessly integrates with the Ranos dB Dynamic range of 40 120 dB A and a DSP sample rate of 48 kHz Detachable microphone that can be mounted at any desired location LoRa network settings by the DSS Connect App Android General...

Page 11: ...PolyStyrene has a fire retardant effect This is an absolute requirement because a lead acid battery is used as a backup Waterproof All parts are rated IP67 or better This makes the Ranos dB immer sion proof The interior is vented through special membranes which only lets through gasses Solar powered The Ranos dB is highly energy efficient The power consumption is low and every bit of available sol...

Page 12: ...ription We deliver a complete package in cluding all information on integrating the Ranos dB with your dashboard environment The package consists of a parser for code testing and a sample code in Javascript Data visualization DSS has its own data platform that integrates seamlessly with the Ranos dB This is available for three months starting from the date of purchase In addition we offer an integ...

Page 13: ... level L min Minimum sound level L max Maximum sound level L peak Peak sound level Description of measurement quantities A A frequency weighted sound pressure level C C frequency weighted sound pressure level Z Z frequency weighted sound pressure level F Fast time weighting S Slow time weighting The is replaced by a frequency and or time weighting Page 13 of 56 ...

Page 14: ...ered on it is protected from overcharging and short circuit Checking power status When powered on and when no LoRa keys have been set the LED ring around the power switch will blink on and off continuously with a rate of roughly 2 blinks per second If a LoRa key has been set the LED ring around the power switch will blink once at every LoRa up and down link when there are errors there will be a pa...

Page 15: ...of its compartment to prevent pulling force from being exerted on the battery wire harness 3 Carefully slide the Faston con nector off of the battery terminals by pulling and wiggling on the red insulation part of the connectors Long nose pliers can be used if more gripping force is needed Never pull on the wires use careful control of force while pulling on the connector to prevent yourself from ...

Page 16: ...the screw holes are lined up and make sure the cover closes all the way along the edges without gaps The hous ing edge along the opening should fall into the grooves machined into the inside of the cover It might be necessary to put some pressure on the lid before it snaps into place Lay the sensor on its side before doing so 9 Mount the lid with the six supplied M4x12 screws The screws must be ti...

Page 17: ...uld be able to last 3 to 5 years When the battery charge had been drained too far the Ranos dB will automatically shut down when the battery voltage is too low and once the battery has charged up enough it will also automatically start up again Battery health To keep the battery health optimal the following is advised The Ranos dB should not be stored with a discharged battery charge to at least 6...

Page 18: ...utoff limit 40 Consumption per day Wh 4 08 Slope 35 Azimuth 0 Click visualizer results and view the results The solar panel should be pointed to the south the effect of an offset angle relative to the south can be viewed by varying azimuth The solar panel is mounted to the Ranos dB housing at an angle of 35 degrees The light blue bars in the PV out put graph show the average of the energy not capt...

Page 19: ...microphone connector locat ed below the microphone mount Line up the white arrows and press until a click is heard To disconnect the microphone pull back on the microphone connector sleeve Windscreen When making measurements in windy environments wind noise will cause measurement errors Such effects can be reduced by using the windscreen WS1 WS1 is suitable for long term outdoor use The effect of ...

Page 20: ...ng the pole mount 1 Mount the two brackets to the back of the Ranos dB using the supplied M8x16 screws and the M8 rings A Philips 3 screwdriver is needed The screws must be tightened with a force of 3Nm Do not overtighten or use screws longer than 16mm to prevent damage to the housing 2 Loosen the pole clamps until they open up and insert them through the brackets 3 Wrap the clamps around the arou...

Page 21: ... and or a pole A microphone extension cable is needed when using a microphone extension mount Two lengths of extension mounts are available Microphone extension mount 0 6m MEM1 Microphone extension mount 1m MEM2 1 A 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 B C D E F A B C D E F Dept Technical reference Created by Approved by Document type Document status Title DWG No Rev Date of issue Sheet 1 0 23 7 2021 1 4...

Page 22: ...microphone clamping part and turn the screw a few times just to keep them in place 4 Insert the microphone diaphragm side first through the bottom of the microphone clamp in such a way that the microphone will point up Slide the microphone trough until it stops against the cable gland of the microphone 5 Tighten the microphone clamp screws until the microphone is secured firmly 6 Loosen the pole c...

Page 23: ...ension cables are available Microphone extension cable 1 5m MEC015 Microphone extension cable 3m MEC030 Microphone extension cable 5m MEC050 Wallmount optional The wallmount WM1 can be used to mount the Ranos dB to a wall When using the wall mount it is advised to mount the microphone separately as described in the section Mounting options and measurement accura cy If the Ranos dB is mounted to a ...

Page 24: ...s at the bottom 2 Mount the other half of the wall mount to the wall or a surface using the screws from the screw kit or supply your own 3 Hang the Ranos dB into the wall mount such that the vertical parts hook into each other 4 Align the through hole and tapped holes at the bottom of the wall mounting brackets 5 Insert the M4x12 screw from the bottom through the wall side mounting bracket into th...

Page 25: ...e is mounted to the same pole but separately from the Ranos dB and extended from the pole using the microphone extension mount and microphone extension cables The object the microphone is mounted to should be free from mechanical vibrations as mechanical vibrations might show in measurements at lower levels In general the following rules of thumb should be used 1 Mount the Ranos dB at least 2m awa...

Page 26: ...e browser app dutchsensorsys tems com Use the supplied USB cables and adapters to make the connection If the Ranos dB has already been registered to an account use the corresponding credentials to log in If the Ranos dB has not been reg istered to an account yet register or log in and register the Ranos dB to your account If the Ranos dB has been registered to an account for one time calibration o...

Page 27: ...nd calibrator signal has been detected a Calibrator detected popup will show up Click Start automatic calibration Do not move the microphone or calibrator while the calibration is running the calibration will be aborted when a signal fluctuation has been detected The auto matic calibration will determine the necessary adjustment so that the reading of the Ranos is equal to the sound pressure level...

Page 28: ...ote data collection and more Preparing your device for use Smartphone with Google Android operating System 1 Open the Google Play Store search for DSS Connect App and install the application 2 For some smartphones it might be necessary to enable the OTG function manually To do so go to settings System and enable OTG 3 Click Register to create an ac count and login or click Login if you already hav...

Page 29: ...ng system it might be necessary to install FTDI drivers before the Ranos dB will be recognized in the the USB connec tion screen This usually won t be necessary FTDI driver down load web page Drivers FTDI ftdichip com For a personal computer with Microsoft Windows operating system click Connect and select the Ranos dB in a popup that will appear The Ranos dB is now connected Do not forget to press...

Page 30: ...icrosoft Windows OS app dutchsensorsystems com Registering a Ranos dB to an account The first step is to log into an account or to register an account The account that is logged in will be the account the Ranos dB is linked to When a new or unregistered Ranos dB is connected to the Connect App the app will ask to give it a name Completing this step will link the Ranos dB to the logged in account A...

Page 31: ...crophone correction filter can be uploaded by Dutch Sensor Systems This filter is used to linearize the frequency response of a micro phone The Ranos dB 1 makes use of this filter the dB 2 does not Firmware update After connecting the Connect App to the Ranos dB the Connect App will first check if there are any firmware updates available If a firmware up date is available and critical a popup will...

Page 32: ...er The Air Activation Settings for OTAA Device EUI End device identifier Join EUI Application identifier App key Application key ADR Adaptive data rate on or off ADR will optimize power consumption by finding the lowest power transmission settings while ensuring that messag es are still received at gateways ADR off is advised for applications where the device is continuously moving Spreading facto...

Page 33: ...he chirp rate A lower spreading factor will result in faster chirps a higher transmission rate and a reduction of range A higher spreading factor will result in a longer time on air and more power consumption Please refer to lora alliance org for more information Frequency Sub Band This option will only show for the 902 928 version of the Ranos dB Used to set the correct sub band for the local fre...

Page 34: ... transmitted the Ranos dB will calculate the next coming start moment of the new sampling cycle relative to if the Unix Epoch time was the start time of the sampling cycles The Ranos dB will wait until this moment and the sampling cycle is then restarted This ensures that the sample moment for Ranos dB with the same Transmit interval and Number of samples will be synchronous After the first synchr...

Page 35: ...to obtain a GPS location and time The GPS will check for time and location every minute until a fix is found If the timestamp is enabled the GPS will be activated every 12 hours for 5 minutes to resynchronize internal time INTERVAL The GPS will try to obtain time and location at the set interval The GPS will be turned on for 5 minutes each time Message info Includes information about the compositi...

Page 36: ...ency weighted slow time weighted sound level Momentary value taken at the sample time LAeq A frequency weighted equivalent continuous sound level over the set sample interval transmit interval di vided by number of samples LCeq C frequency weighted equivalent continuous sound level over the set sample interval transmit interval di vided by number of samples LAFmax Maximum A frequency weighted fast...

Page 37: ...e battery is not being charged The battery charge state versus battery voltage curve is not linear so the battery charge state cannot be calculated 100 accurately from just the battery voltage alone A rough estimate can however be calculated from the battery voltage when not being charged using the following formula 100 6 5 meas ured voltage 6 5 5 25 100 Timestamp of first sample Includes the capt...

Page 38: ...nt quantities have a resolu tion of 0 1 dB and the update rate is 100ms The boxes below the graph can be clicked to exclude the measurement from the graph Boxes filled with background color are not graphed and are displayed numerically only The measurements should be valid within specifications within 10 seconds after opening the ranos live page The Ranos dB will continue back to normal operation ...

Page 39: ... the graph LCfast C frequency weighted fast time weighted sound level LCslow C frequency weighted slow time weighted sound level LCeq C frequency weighted equivalent continuous sound level over the set sample interval The resulting set time interval is displayed above the graph The measurement will be re initiated when switching to another page and back LCFmin Minimum C frequency weighted fast tim...

Page 40: ...peak time weighted sound level over the set sample interval Automatically resets at every new sample interval The last reset time is displayed in the Timestamp box below the graph LCpeak_max Maximum C frequency weighted peak time weighted sound level over the set sample interval Automatically resets at every new sample interval The last reset time is displayed in the Timestamp box below the graph ...

Page 41: ...very new sample interval The last reset time is displayed in the Timestamp box below the graph The measurement will be re initiated when switching to another page and back LCslow_min Minimum C frequency weighted slow time weighted sound level over the set sample interval Automatically resets at every new sample interval The last reset time is displayed in the Timestamp box below the graph LCslow_m...

Page 42: ...esets at every new sample interval The last reset time is displayed in the Timestamp box below the graph Battery The battery voltage that is displayed is measured directly on the battery input connector The voltage of the battery fluctuates while it is being charged from solar power The measured battery voltage is accurate when there is no light on the solar panel when the battery is not being cha...

Page 43: ...rement at the Ranos input a measured value of over LZpeak 123 dB should cause an overload flag for any frequency between 20 Hz 20 kHz The overload function is not affected by excluding LZpeak from the ranos live page or from the ranos settings page Under range An under range flag will be displayed when the measured sound pressure level is less than the acoustical lower boundary for the acoustical ...

Page 44: ...e version and update bar you will find three buttons Start log Clear log and Save log Start log allows the user to see the Ranos dB software routines in case of testing or troubleshooting After starting the low the button text changes to Stop log Click the button again to stop the log Clear log clears the displayed log data Save log saves the collected data that is displayed to the Dutch Sensor Sy...

Page 45: ...low or EQ LAeq Bypass A Bypasses the A frequency weighting filter effectively turning them into Z frequency weighted measurements Bypass C Bypasses the C frequency weighting filter effectively turning them into Z frequency weighted measurements The under range detection process ing will be affected by enabling Bypass FIR Bypasses the FIR microphone correc tion filter LCfast to LCpeak Changes the L...

Page 46: ...ications General Applicable standards IEC 61672 1 2014 Performance class Ranos dB 1 class 1 with MMDB1 microphone Ranos dB class 2 with MMDB2 microphone RF immunity group group X CE marking yes Page 46 of 56 ...

Page 47: ... dB center of microphone diaphragm 0 degrees 140 dB MMDB2 class 2 electret condenser freefield IP67 20 Hz 20 kHz No 2 2k 12 6 mV Pa 38dB re 1V Pa 94 dB center of microphone diaphragm 0 degrees 140 dB Microphone preamplifier Integrated not removable Gain nominally set for MMDB1 and MMDB1 microphones 6 to 6dB gain or attenuation in 0 1dB steps for calibration Input sensitivity 48 08 mV Pa or 26 36 d...

Page 48: ...ing rate Processing precision 48 kHz 56 bit Microphone correction filter 200 tap FIR filter pre set by Dutch Sensor Systems Measurement quantities LAfast LAslow LAeq LAFmin LAFmax LCfast LCslow LCeq LCFmin LCFmax LZfast LZslow LZeq Available in Connect App cable connection 3 3 3 3 3 3 3 3 3 3 3 3 3 Available in Connect Dashboard wireless connection 3 3 3 3 3 3 3 3 3 Page 48 of 56 ...

Page 49: ...slow_min LAslow_max LAeq_min LAeq_max LCslow_min LCslow_max LCeq_min LCeq_max LZslow_min LZslow_max LZeq_min LZeq_max 3 3 3 3 3 3 3 3 3 3 3 3 3 3 LXeq averaging time 1 3600 sec applies to all running LXeq measurements Resolution of measurement quantities 0 1 dB Page 49 of 56 ...

Page 50: ...41 A up 80 6 116 8 120 121 119 115 7 C low 37 38 38 37 40 40 C up 117 120 120 119 2 117 113 8 Z low 49 47 49 49 45 49 Z up 120 120 120 120 120 120 Measurement range LCpeak 1 kHz electrical Upper Lower LA 120 40 LC 120 38 LZ 120 49 LCpeak 123 47 LZpeak 123 54 Noise floor electrical 31 dB A 34 dB C 42 dB Z Noise floor acoustical 37 2 dB A 42 dB C 58 7 dB Z Page 50 of 56 ...

Page 51: ...1 microphone input 3 pin female Hirose 1 USB B female Internal connections for special purposes 1 analog audio output 920 mVAC RMS max Various I O s UART SPI I2C 3 3VDC logic PWM RF LoRa 868 or 915 Mhz antenna integrated GPS multi constellation GPS Galileo GLONASS antenna integrated Battery 1x 6VDC 12Ah sealed lead acid battery Yuasa NP12 6 is preferred Battery voltage range 4 5 to 7VDC Battery li...

Page 52: ...ry Housing lid and screws Microphone Microphone clamps and screws Microphone windscreen Recess cover Pole mount hose clamps and screws Rubber feet USB A male USB B male cable 1m USBAB1 USB C male USB A female USBCAOTG USB Micro B USB A female USBMBAOTG Optional cables Dummy microphone DM1 Microphone extension cable 1 5m MEC015 Microphone extension cable 3m MEC030 Microphone extension cable 5m MEC0...

Page 53: ...ght Size Ranos dB 271 5 x 246 x 408 mm D x W x H including rubber feet and microphone H 209 excluding microphone Microphones MMDB1 and MMDB2 333 x 12 7 mm L x D Operating temperature 10 to 50 degrees Celcius Storage temperature 20 to 60 degrees Celsius Humidity Up to 95 RH non condensing Electromagnetic performance CE Page 53 of 56 ...

Page 54: ...Dimensions in mm Page 54 of 56 ...

Page 55: ...Dutch Sensor Systems B V Antennestraat 64 66 1322 AS Almete The Netherlands KVK 78671779 BTW NL861491014B01 IBAN NL41 RABO 0359 8457 46 ...

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