PD for Noise Monitoring Terminal Plus Type 3639
Contents
1. Microphone Cable AO 0414 D 100 Auxiliary DC Cable AO 0649 Auxiliary Mains Cable Radio Link AN 0074 via modem or cable oo0oo0o0 Modem PSTN or GSM GPRS Router Weatherproof Microphone 4184 NMT ADVANCED 3639 G Microphone Cable AO 0028 D 100 Auxiliary DC Cable AO 0649 Auxiliary Mains Cable Radio Link AN 0074 via modem or cable o000 Modem PSTN or GSM GPRS Router Optional Setup 98 GPS Receiver ZZ 0249 1 Weather Station MM 0256 or MM 0316 External DC Power UA 0587 Tripod UA 1690 Tripod 050304 1 The NMT is controlled remotely by either Environmental Noise Management Software Type 7843 see BP 2100 or Noise Monitoring Software Type 7802 see BP 1573 allowing remote setup data and system status viewing data download and analysis An option allows the user or system integrator to implement control by third party software through the documented instruction set included with the relevant configurations The NMT is modular both in hardware and software giving a very flexible solution that matches a wide range of needs Software modules are pre installed on the NMT and licenses can be moved from one NMT to another if required using Environmental Noise Management Software Type 7843 Using this control software the NMT can be configured as needs arise making the s2. tot PRODUCT DATA Noise Monitoring Terminal Plus Type 3639 E Noise Monitoring Terminal Advanced Type 3639 G Noise Monitoring Terminals Type 3639 are a range of powerful modular noise monitoring terminals optimised for outdoor use With a custom designed enclosure the Noise Monitoring Terminal NMT is designed for use in all climatic environments as well as industrial urban and rural conditions It is an intelligent unit that can be left unattended as part of an environmental noise monitoring system for permanent mobile or semi permanent monitoring With selectable communication and central control software the Noise Monitoring Terminal can be controlled by a remote PC USES AND FEATURES USES e Permanent and semi permanent monitoring for Aircraft and Airport noise Road noise City noise Train noise Industrial noise Noise surveys FEATURES e Designed for stable long term continuous outdoor monitoring e Logging of broadband and 1 3 octave optional parameters every second or 1 2 second e Streaming of data over LAN to Environmental Noise Management Software Type 7843 40 GB industrial hard disk for safe long term back up Post processing that can create periodic statistical reports down to 1 minute including Ly data Dynamic range of 110dB Remote verification of the entire measurement chain using the patented Charge Injection Calibration CIC GPS support Sound rec
3. GPRS Type 3639 E G 200 series NMT Plus Advanced for ENMS RS 232 Interface using commercially available PSTN or GSM Modems Type 3639 E G NMT Plus Advanced Type 3639 E G 000 series NMT Plus Advanced Type 3639 E G 300 series NMT Plus Advanced for System Integrators REMOTE CONTROL SOFTWARE Configuration dependent see Tables 1 and 2 Environmental Noise Management Software Type 7843 Type 3639 E G 200 series NMT Plus Advanced for ENMS Noise Monitoring Software Type 7802 Type 3639 E G 000 series NMT Plus Advanced eq a For Type 3639 E 200 series configurations this requires a license for Event Analysis Software BZ 7844 to be installed from ENM Software Type 7843 Prepared for Other Software Type 3639 E G 300 series NMT Plus Advanced for System Integrators SOUND POWER LEVEL lt 36 dB A Ly DIMENSIONS AND WEIGHT Weatherproof Cabinet Height 725mm Width 390 mm Depth 120mm Weight 12kg approx for NMT cabinet with one battery Ordering Information Type 3639 E Noise Monitoring Terminal Plus Type 3639 E 001 Noise Monitoring Terminal Plus including PSTN ZM 0070 Modem Type 3639 E 002 Noise Monitoring Terminal Plus including GSM ZM 0071 Modem Type 3639 E 200 Noise Monitoring Terminal Plus for ENMS Type 3639 E 203 Noise Monitoring Terminal Plus for ENMS including GPRS Router Type 3639 E 300 Noise Monitoring Terminal Plus for System Integrators Type 3639 E 301 Noise Monitoring Termin
4. Limits FCC Rules Part 15 Complies with the limits for a Class B digital device EN IEC61000 6 1 Generic standards Immunity for residential commercial and light industrial environments EN IEC 61000 6 2 Generic standards Immunity for industrial environments EN IEC 61000 4 4 Fast transient burst immunity Level 2 1000 V EMC Immunity EN IEC 61000 4 5 Surge immunity Line to line Level 1 500 V Line to ground Level 3 2000 V Note The above is guaranteed only If Noise Monitoring Terminal Plus Type 3639 E is correctly assembled according to the instructions given in the User Manual When using accessories listed in this Product Data sheet IEC 60068 2 1 amp IEC 60068 2 2 Environmental Testing Cold and Dry Heat Temperature NMT Cabinet and Contents Operating Temperature 10 to 50 C 14 to 122 F Storage Temperature 25 to 70 C 13 to 158 F Humidity IEC 60068 2 78 Operating Relative Humidity Range lt 100 Maximum Relative Humidity 90 at 40 C Non operating IEC 60068 2 6 Vibration 0 3mm 20 m s 10 500 Hz IEC 60068 2 27 Shock 500 m s IEC 60068 2 29 Bump 1000 bumps at 250 m s IEC 60529 Protection provided by enclosures IP 55 without external cables IP 44 with external cables Specifications Noise Monitoring Terminal Plus Type 3639 E and Noise Monitoring Terminal Advanced Type 3639 G Specifications apply to all configur
5. and a back plate for pole or wall mounting and an outdoor microphone to be mounted on a mast pole or tripod Additional accessories such as a GPRS Router GSM modem weather station and a GPS satellite positioning system can be added to the NMT see Fig 1 NMT PLUS Type 3639 E or NMT ADVANCED Type 3639 G Includes Wall Pole Mounting Kit UA 1685 Outdoor Microphone 4952 NMT 3639 E Weatherproof Microphone 4184 NMT 3639 G Battery QB 0065 Battery Charger built in Auxiliary DC Cable AO 0649 USB Cable AO 1480 NMT 3639 E G 200 series LAN Cable to Ext PC AO 0679 Auxiliary Mains Cable AN 0074 Microphone Cable AO 0414 D 100 NMT 3639 E Microphone Cable AO 0028 D 100 NMT 3639 G I Options Weather Station MM 0256 6 param Weather Station MM 0316 2 param GPS Receiver ZZ 0249 i requires GPS Software BZ 7845 GSM Antenna AO 0655 da PSTN Modem ZM 0070 GSM Modem ZM 0071 GPRS Router ZM 0073 Environmental Noise Management System 3642 Sound Calibrator 4231 c Event Analysis Software BZ 7844 l NMT 3639 E Battery QB 0065 Battery Charger ZG 0453 for charging QB 0065 outside the NMT Tripod UA 0587 for microphone Tripod Adaptor DB 4024 Tripod UA 1690 for NMT AXIS2120 Outdoor Camera 1 WQ 2837 NMT PLUS 3639 E Outdoor Microphone 4952
6. 639 E 4952 Bruel amp Kj r NMS RS 232 PSTN Type 7802 GSM Noise Monitoring Terminal Plus Type 3639 E 001 4952 Bruel amp Kj r NMS RS 232 PSTN including PSTN ZM 0070 Modem Type 7802 Noise Monitoring Terminal Plus Type 3639 E 002 4952 Bruel amp Kj r NMS RS 232 GSM including GSM ZM 0071 Modem Type 7802 Noise Monitoring Terminal Plus Type 3639 E 200 for 4952 Bruel amp Kj r ENMS LAN GPRS ENMS Type 7843 Noise Monitoring Terminal Plus Type 3639 E 203 for 4952 Bruel amp Kj r ENMS LAN GPRS ENMS with GPRS Router Type 7843 Noise Monitoring Terminal Plus Type 3639 E 300 for 4952 Customer defined RS 232 PSTN System Integrators software GSM Noise Monitoring Terminal Plus Type 3639 E 301 for 4952 Customer defined RS 232 PSTN System Integrators with PSTN Modem software Noise Monitoring Terminal Plus Type 3639 E 302 for 4952 Customer defined RS 232 GSM System Integrators with GSM Modem software a See also Product Data for Type 7843 and Type 7802 Table 2 Overview of the standard configurations of the Noise Monitoring Terminal Advanced Type 3639 G Type 3639 G Communication Central Control Protocols Software Supported As Standard Microphone Noise Monitoring Terminal Advanced 4184 Bruel amp Kj r NMS RS 232 PSTN Type 7802 GSM Noise Monitoring Terminal Advanced 4184 Bruel amp Kj r NMS RS 232 PSTN Type 3639 G 001 including PSTN ZM 0070 Modem Type 7802 Noise Monitoring Terminal Advanced 41
7. 84 Bruel amp Kj r NMS RS 232 GSM Type 3639 G 002 including GSM ZM 0071 Modem Type 7802 Noise Monitoring Terminal Advanced 4184 Bruel amp Kj r ENMS LAN GPRS Type 3639 G 200 for ENMS Type 7843 Noise Monitoring Terminal Advanced 4184 Bruel amp Kj r ENMS LAN GPRS Type 3639 G 203 for ENMS with GPRS Router Type 7843 Noise Monitoring Terminal Advanced 4184 Customer defined RS 232 PSTN Type 3639 G 300 for System Integrators software GSM Noise Monitoring Terminal Advanced Customer defined RS 232 PSTN Type 3639 G 301 for System Integrators with PSTN software Modem Noise Monitoring Terminal Advanced Type 4184 Customer defined RS 232 GSM 3639 G 302 for System Integrators with GSM Modem software Outdoor Microphone Type 4952 Type 3639 E Fig 2 Outdoor Microphone Type 4952 with integrated coupling fitted on the top of a waterpipe The outdoor microphone is a major factor in ensuring that the NMT complies with IEC 61672 Class 1 requirements with either 0 or 90 reference direction It functions correctly under conditions of up to 96 relative humidity and in ambient temperatures ranging from 30 to 55 C The precision condenser microphone is protected inside the acoustically optimised windscreen It has an anti bird spike fitted at the top Construction is elegantly simple ensuring lon gevity and low maintenance costs 050164 1 Jt can be mounted on standard 1 water pipe allowing stable mounting a
8. China 86 10 680 29906 Czech Republic 420 26702 1100 Finland 358 9 521 300 France 33 169907100 Germany 49 421 17 870 Hong Kong 852 2548 7486 Hungary 36 12158305 Ireland 353 1 807 4083 Italy 39 0257 68061 Japan 81 35715 1612 Korea 82 23473 0605 Netherlands 31 318 55 9290 Norway 47 6677 1155 Poland 48 228167556 Portugal 351 2147 11453 Singapore 65 6377 4512 Slovak Republic 421 25 4430701 Spain 34 91 659 0820 Sweden 46 8 449 8600 Switzerland 41 44 880 7035 Taiwan 886 2 2502 7255 United Kingdom 44 14 38 739 000 USA 1 800 332 2040 Local representatives and service organisations worldwide Bruel amp Kj r SLMegoller 08 03 BP 2098 12
9. Linear Operating Range In accordance with IEC 61672 A weighted 1 kHz Type 3639 G Microphone Type 4184 Range 142 0 34 1dB Type 3639 E Microphone Type 4952 Range 134 0 29 8dB Peak C Range In accordance with IEC 61672 Type 3639 G Microphone Type 4184 Range 145 0 51 5dB Type 3639 E Microphone Type 4952 Range 132 3 47 4 dB MEASURING RANGES FOR FREQUENCY ANALYZER Linear Operating Range In accordance with IEC 61260 Type 3639 G Microphone Type 4184 Range 142 0 lt 47 0dB Type 3639 E Microphone Type 4952 Range 129 3 lt 48 3dB CORRECTION FILTERS For Microphone Types 4184 and 4952 Type 3639 G 3639 E is able to correct the frequency response to compensate for sound field Free field or Diffuse field and for Type 4952 0 Top reference direction and 90 Side reference direction MEASUREMENTS Broadband Values X frequency weightings A and C or A and Linear or C and Linear two weightings simultaneously Y time weightings Fast Slow and Impulse all simultaneously LXeq LXpeak Lxim Lxyinst Lxymax SPL LxYmin Spectrum Values X frequency weightings A C or Linear Y time weightings Fast and Slow two weightings simultaneously Lxyinst Lxymax LxYmin Lxeq Equivalent Continuous Level Leq T weighted value also selectable Lajeg 1 3 octave Frequency Range 12 5 Hz 20 kHz EVENTS Settings Hourly user defined on the following parameters Detection Separate eve
10. a mains and DC supply cable included powering the NMT is possible from a variety of sources for example an external UPS can be connected through the DC supply input The cabinet also includes a mains outlet and cable for peripheral equipment that can be powered from the NMT For example a laptop can be powered from the NMT for setting up the NMT locally A 10m microphone cable is included to ensure that the outdoor microphone and the cabinet can both be positioned in the correct acoustical location while being conveniently and securely mounted Due to the clever design of the NMT it is easy to add new accessories for example a GPS unit even after the installation of the NMT on a wall or a pole Noise Monitoring and Analysis Noise monitoring and analysis is performed by Noise Level Analyzer Type 4441 and System Controller UL 0235 001 The Noise Level Analyzer measures data coming from the outdoor microphone and this data is logged onto the System Controller The NMT can be calibrated using Sound Calibrator Type 4231 In addition the system has built in charge injection calibration CIC allowing automatic routine electrical checks to detect changes and faults in the system CIC is a patented technique used for remotely monitoring the entire measurement setup including the microphone preamplifier and connecting cable The NMT can initiate up to four automatic routine system checks per day at user specified times storing results for late
11. al Plus for System Integrators including PSTN Modem Type 3639 E 302 Noise Monitoring Terminal Plus for System Integrators including GSM Modem Type 3639 E Noise Monitoring Terminal Plus includes the following accessories e Type 4952 Outdoor Microphone QB 0065 Battery AQ 0414 D 100 Microphone Extension Cable 10m 33 ft AN 0074 Auxilliary Mains Cable UA 1685 Wall Pole Mounting Kit AQ 0649 External Aux DC Cable AO 1480 USB cable AO 1466 LAN cable 1m a 200 series NMTs only Optional Accessories Type 4231 BZ 7844 QB 0065 ZG 0453 ZM 0070 ZM 007 1 AOQ 0655 ZZ 0249 ZM 0073 MM 0256 MM 0316 UA 0587 UA 1690 DB 4024 10 Sound Calibrator Event Analysis Software for Type 3639 E 200 series NMT Plus Battery Battery Charger for QB 0065 PSTN Modem GSM Modem GSM Antenna GPS Receiver GPRS Ethernet Router Weather Station 6 parameter Weather Station 2 parameter Tripod for microphone Tripod for NMT Tripod Adaptor POWER REQUIREMENTS Voltage 110 220 240 V AC Frequency 47 5 66 0 Hz Operates on external DC voltages between 12 24 V using included External Aux DC Cable AO 0649 Power 15W Batteries Max 2 units 12V Typical Operating Time 14 hours per battery charged when external AC or DC applied Type 3639 G Noise Monitoring Terminal Advanced Type 3639 G 001 Noise Monitoring Terminal Advanced including PSTN ZM 0070 Modem Type 3639 G 002 Noise Monitoring Termi
12. andalism theft etc All equipment is protected inside two interlocking cabinets and this dual cabinet construction ensures optimal protection of the equipment inside while securing a growth path for future NMT solutions from Bruel amp Kj r The robust durable weatherproof cabinet includes a kit for fastening the cabinet to either a wall a box sectioned or tubular mast a lamp post or similar diameter between 40 200mm more if required and the door seals the cabinet from the outside environment and helps prevent tampering The cabinet is well protected by a weath erproof locking mechanism on the door and for security a padlock can be mounted The NMT also sends a signal to the remote software when the door is open allowing unauthorised intrusion to be detected and recorded In addition protection is provided for cabling to reduce the risk of tampering or accidental damage The system includes one or two batteries for independent operation and as a back up in the event of power loss It is possible to change the battery during operation for ease of maintenance and increased independence The batteries are charged whenever external AC or DC is applied to the NMT and charging the batteries completely will take up to 24 hours Bruel amp Kj r can supply External Charger ZG 0453 for charging the batteries once they have been removed from the NMT They can be fully charged in ten hours and one charger is needed per battery With
13. ations unless otherwise stated STANDARDS Conforms with the following National and International Sound Level Meter Standards e IEC 61672 1 2002 05 Class 1 e IEC 60651 1979 plus Amendment 1 1993 02 and Amendment 2 2000 10 Type 1 e IEC 60804 2000 10 Type 1 e DIN 45657 1997 07 e IEC 61260 1995 Octave and 1 3 octave Bands Class 1 e ANSIS1 4 1983 plus ANSI S1 4A 1985 Amendment Type 1 e ANSI S1 43 1997 Type 1 Conforms with the following National and International Filter Standards e IEC 61260 1995 07 plus Amendment 1 2001 09 1 3 octave Bands Class 0 e ANSI S1 11 1986 1 3 octave Bands Order 3 Type 0 C e ANSI S1 11 2004 1 3 octave Bands Class 0 Note The International IEC Standards are adopted as European standards by CENELEC When this happens the letters IEC are replaced with EN and the number is retained Type 3639 G 3639 E also conforms to these EN Standards SELF GENERATED NOISE LEVEL Typical A Weighted values at 23 C for nominal microphone sensitivity Type 3639 G Microphone Type 4184 Microphone 24 6dB Electrical 21 4dB Total 26 3dB Type 3639 E Microphone Type 4952 Microphone 14 1 dB Electrical 17 2dB Total 18 9dB MEASURING RANGES FOR SOUND LEVEL METER Dynamic Range From typical noise floor to max level for a 1 kHz pure tone signal A weighted Type 3639 G Microphone Type 4184 Range 142 0 26 3 dB Type 3639 E Microphone Type 4952 Range 134 0 18 9dB
14. for a period of 1 to 60 minutes calculating minimum values maximum values Leq and five user defined Ly values e Calibration reports Automatically checks the calibration of the system four times a day using the patented CIC check and stores the information in the database The following is also stored for Type 3639 E 200 series configurations Event Analysis Software BZ 7844 is required e Hourly reports Extended to include Total Leq Background Leq Noise Event Leg e Noise events Detects noise events from any user defined trigger levels and durations and stores the information in a database Event trigger level and duration settings can be set on an hourly basis enabling the events to be set up in accordance with the natural daily variations in the residual background noise For each event the following information is stored at 1 2 or 1 second intervals SPL and Lg values 1 3 octave spectrum PNL Perceived Noise Level and PNLT Perceived Noise Level Tone Corrected values according to the ICAO Annex 16 The sound file is also stored Furthermore EPN dB Effective Perceived Noise Level of all the events according to the ICAO Annex 16 is calculated and stored in the database All results can be downloaded to the central server provided with the supported central software such as Environmental Noise Management Software Type 7843 continuously or viewed in real time remotely over a LAN or GPRS connection With N
15. mera for example AXIS2120 Outdoor Camera WQ 2837 so that pictures can be taken at 1s intervals during noise events The user can set up the maximum number of pictures that can be saved per event This helps identify the causes or even individual offenders of the noise events and ensures that the amount of data stored is optimised to give enough detail while limiting the amount of data to be transferred and stored Communication Analysis and Reporting The NMT can communicate with a range of software depending on the configuration selected see Table and 2 The 200 series NMTs can be controlled remotely by Environmental Noise Management Software Type 7843 via standard internet based protocols such as LAN or GPRS as it is given an IP address The NMT continually streams the data required by the ENM software user to the system server while storing it locally on the NMT as back up Transmission of data is performed simultaneously with data logging without data loss Analysis and reporting of results are done using Environmental Noise Management Software Type 7843 whose server can be configured to allow a number of NMTs to be connected and a number of users to access the data simultaneously see Product Data BP 2100 The 000 series NMT configurations can be controlled remotely by Noise Monitoring Software Type 7802 via an RS 232 interface Optionally the NMT can be configured with PSTN or GSM modem communication Again transmis
16. nal Advanced including GSM ZM 0071 Modem Type 3639 G 200 Noise Monitoring Terminal Advanced for ENMS Type 3639 G 203 Noise Monitoring Terminal Advanced for ENMS including GPRS Router Type 3639 G 300 Noise Monitoring Terminal Advanced for System Integrators Type 3639 G 301 Noise Monitoring Terminal Advanced for System Integrators including PSTN Modem Type 3639 G 302 Noise Monitoring Terminal Plus for System Integrators including GSM Modem Type 3639 G Noise Monitoring Terminal Advanced includes the following accessories e Type 4184 Weatherproof Microphone Unit QB 0065 Battery AQ 0028 D 100 Microphone Extension Cable 10m 33 ft AN 0074 Auxilliary Mains Cable UA 1685 Wall Pole Mounting Kit AOQ 0649 External Aux DC Cable AO 1480 USB cable AO 1466 LAN cable 1m Type 7843 Environmental Noise Management Software Type 3642 Environmental Noise Management System WQ 2837 AXIS2120 Outdoor Camera Products Services and Accessories Quoted Upon Request e Masts Hydraulic and 4m Tripods Installation Support of NMT Maintenance Agreement Calibration Warranty Extension Help line Support Rental 11 Bruel amp Kj r reserves the right to change specifications and accessories without notice HEADQUARTERS DK 2850 N rum Denmark Telephone 45 4580 0500 Fax 45 4580 1405 www bksv com info bksv com Australia 61 29889 8888 Austria 43 1 865 74 00 Brazil 55 11 5188 8166 Canada 1 514 695 8225
17. nd secure cabling A range of tripods and microphone mounting systems for example 4m masts and hydraulic masts are available from or can be recommended by Briel amp Kj r During transport the microphone can be safely placed inside the NMT cabinet For more information see Product Data BP 2099 Weatherproof Microphone Unit Type 4184 Type 3639 G Fig 3 Weatherproof Microphone Type 4184 with adaptor fitted on the top of a water pipe The weatherproof microphone is the ultimate outdoor microphone for per manent installation in all environmental conditions while ensuring that the NMT complies with IEC 61672 Class 1 requirements It ensures accurate noise measurements in most humid and corrosive atmos pheres with rain protection according to IEC 529 IP44 and operation all the way up to 100 RH It has excellent omnidirectional characteristics allowing high accuracy with fixed orientation and less dependancy on the operator s expertise The Charge Injection Calibration function 1s complemented by a built in test sound source at 1 kHz for actual calibration For more information see Product Data BP 0741 Environmental Protection Fig 4 Noise Monitoring Terminal Plus Type 3639 E G the electronics inside the NMT are well protected The NMT has been specifically designed to operate unattended in inhospitable environments protecting the contents from weather and unwanted interruptions due to tampering v
18. nt start stop triggers Event Start Trigger Leq Or SPL with minimum threshold exceedence duration Event Stop Trigger Leq Or SPL with minimum threshold exceedence duration Sound Recording Maximum duration MP3 format DATA Data Logging rate 1 2 or 1s Parameters SPL and L 1 3 octave spectrum PNL and PNLT values BASIC STATISTICAL ANALYSES Hourly Reports Statistical information including Total Leq Distribution Short Reports User defined period of 1 to 60 minutes Minimum values maximum values Leg 5 user defined Ly values ADVANCED STATISTICAL ANALYSES Hourly Reports Total Leq Background Leq Noise Event Le PNdB Perceived Noise Level and EPN dB Effective Perceived Noise Level of all events according to ICAO Annex 16 OTHER DATA Calibration Reports CIC system calibration checks up to four times a day Weather Requires Optional Weather Station MM 0256 Wind speed wind direction temperature relative humidity liquid precipitation Weather Requires Optional Weather Station MM 0316 Wind speed wind direction GPS Requires Optional GPS Receiver Antenna ZZ 0249 Latitude longitude altitude MEMORY CAPACITY The capacity of the database is dependent on the size of the hard disk Standard configuration consists of a 40 Gbyte hard disk giving at least six months storage space 90 days for Type 3639 E G 200 series Retention Time User defined INTERFACE Configuration dependent see Tables 1 and 2 LAN
19. oise Monitoring Software Type 7802 results can be downloaded via the optional modems to supported central software at a user defined time interval for example once per day Sound Recording Noise events can be recorded for later analysis or source identification for Type 3639 E 200 series configurations Event Analysis Software BZ 7844 is required The files are stored as a compressed file mp3 reducing the time and load spent on downloading data from the NMT Meteorological Data With optional Weather Station MM 0256 installed temperature windspeed and direction relative humidity air pressure and liquid precipitation can be monitored Alternatively a two parameter Weather Station MM 0316 for windspeed and direction can be installed The external weather station mounted for example on a mast is connected via a serial interface to the NMT s System Controller The station is delivered with a license to run the weather data logging software needed to store the weather data in the NMT s own database in the same manner as the noise measurements GPS Geographical Positioning The NMT supports GPS so that together with a standard commercial GPS receiver and antenna unit for example GPS Receiver with Antenna ZZ 0249 satellite position longitude latitude and height can be monitored and stored in the NMT s own database in the same manner as the noise measurements Camera Support The NMT can be configured to support an outdoor ca
20. ording optional Weather data monitoring optional Camera support optional Remote operation via LAN public telephone lines mobile phone or GPRS Modular hardware software for easy on site servicing Noise event triggers can be defined on an hourly basis for more effficient noise detection Briel amp Kj r Description Fig 1 Overview of the noise monitoring terminal and its accessories Noise Monitoring Terminals Type 3639 are a range of powerful NMTs optimised for remote unattended environmental noise measurements which e Regularly check the calibration of the measurement chain including the outdoor microphone e Measure noise with the outdoor microphone in compliance with IEC 61672 Class 1 specifications e Process noise and associated data e Store the results of up to several months of monitoring e Transmit data via RS 232 LAN router or modem to a database on a central computer The NMT is a component of an unattended noise monitoring system The main purpose of the system is to monitor environmental noise from airports construction sites industries and transport and in areas either where noise is high noise hot spots or in quiet areas where noise is a major concern A typical system for example for airport noise monitoring would consist of several NMTs a central computer system and a number of work stations The NMT consists of a weatherproof cabinet containing a noise level analyzer a battery
21. r download and investigation A built in display showing the primary measurement parameters and setup information is included for servicing and type approval it is only activated when the NMT cabinet door is open reducing power consumption The NMT complies with IEC 61672 Class 1 specifications and has a dynamic range of 110 dB Broadband Measurements and Frequency Analysis The NMT performs all the broadband analyses needed for environmental noise measurements measuring Leg Lyeak Lim Linst Lmax Lmin All values can be calculated for different time and frequency weightings see specifications The NMT performs octave or 1 3 octave analyses at filter centre frequencies from 12 5 Hz to 20 kHz and it can also identify noise events for example to restrict the duration of frequency analysis to reduce memory usage and monitor La q based statistics for Type 3639 E 200 series configurations this requires a license for Event Analysis Software BZ 7844 Storage of Results in a Database The NMT stores data in a database on the System Controller The standard capacity of the database is 40 Gbytes corresponding to an average of six months of storage time depending on the remote control software used The retention period can be set up for all data sets The following parameters are stored e Hourly reports Statistical information for every whole hour including Total Leq Distribution e Short reports User defined short reports
22. sion of data 1s performed simultaneously with data logging without data loss and analysis and reporting of results are done using Noise Monitoring Software Type 7802 see Product Data BP 1573 The 300 series NMT configurations allow remote control of the NMT by customer defined third party software through the documented instruction set Services Briel amp Kj r offers a wide range of support and services to ensure efficient and problem free operation These include a range of calibration services accredited traceable repairs con formance tests warranty extensions installation training help line and rental Many of these services can be performed on site or locally as well as at the factory Annual and long term service packs for the NMT and for an entire ENM or noise monitoring system are also available Compliance with Standards CE mark indicates compliance with EMC Directive and Low Voltage Directive C Tick mark indicates compliance with the EMC requirements of Australia and New Zealand Safet EN IEC 61010 1 and ANSI UL 61010 1 Safety requirements for electrical equipment for measurement control y and laboratory use EN IEC 61000 6 3 Generic emission standard for residential commercial and light industrial environments EMC Emission EN IEC 61000 6 4 Generic emission standard for industrial environments Ea CISPR 22 Radio disturbance characteristics of information technology equipment Class B
23. ystem very cost effective Configurations Standard configurations of the NMT Type 3639 see Tables 1 and 2 include e The support of two different microphones Outdoor Microphone Type 4952 or Weatherproof Microphone Type 4184 e Remote operation by different central control software Environmental Noise Management Software Type 7843 Noise Monitoring Software Type 7802 or customer defined third party software not included with the NMT Each software opens up different functionality in the NMT For example Environmental Noise Management Software Type 7843 enables the Type 3639 E 200 series to Continually stream user defined data to the Environmental Noise Management System s server Operate as a broadband terminal with no noise event detection thus permitting a very cost effective NMT both with growth potential and with the possibility for remote licensing for easy reconfiguration to allow event detection Type 3639 E Event Analysis Option BZ 7844 e The support of different communication protocols RS 232 PSTN and GSM GPRS LAN and WLAN depending on the NMT configuration and the central control software not included with the NMT Some configurations include the required hardware for commu nication Table1 Overview of the standard configurations of the Noise Monitoring Terminal Plus Type 3639 E Communication Central Control Protocols en mueropnens Software Supported As Standard Noise Monitoring Terminal Plus Type 3
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