Product Data - Brüel & Kjaer GmbH
Contents
1. Communication Analysis and Reporting The NMT can communicate with a range of software depending on the configuration selected see Table 1 and Table 2 The 200 series NMTs can be controlled remotely by Environmental Noise Management Software Type 7843 or ANOMS airport noise monitoring software 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 ANOMS software user to the system server while storing it locally on the NMT as backup 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 or ANOMS airport noise monitoring software whose servers 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 transmission of data is 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 through2. 4184 Range 34 1 142 0 dB Type 3639 E Microphone Type 4952 Range 29 8 134 0 dB Peak C Range In accordance with IEC 61672 Type 3639 G Microphone Type 4184 Range 51 5 145 0 dB Type 3639 E Microphone Type 4952 Range 47 4 132 3 dB MEASURING RANGES FOR FREQUENCY ANALYZER Linear Operating Range In accordance with IEC 61260 Type 3639 G Microphone Type 4184 Range lt 47 0 142 0 dB Type 3639 E Microphone Type 4952 Range lt 48 3 129 3 dB 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 Lxim Lxymin Lxeq Lxpeak Lyyinst Lxymax SPL Spectrum Values X frequency weightings A C or Linear Y time weightings Fast and Slow two weightings simultaneously Lxyinst Lxymax Lyymin Lxeq Equivalent Continuous Level Leq l weighted value also selectable Laleq 1 3 octave Frequency Range 12 5 Hz 20 kHz EVENTS Settings Hourly user defined on the following parameters Detection Separate event start stop triggers Event Start Trigger Leq or SPL with minimum thresho
3. 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 Fig 1 Wp te ce eee ee A f Overii th i NMT PLUS Type 3639 E or NMT PLUS 3639 E A Optional Setup verview of the noise NMT ADVANCED Type 3639 G Outdoor Microphone monitoring terminal Includes Z 4952 D and its accessories e a GPS Receiver it UA i ZZ 0249 Outdoor Microphone 4952 l M ee NMT 3639 E ede Auxiliary Weatherproof Microphone 4184 DC Cable NMT 3639 G ba Battery QB 0065 i Battery Charger built in P Diay ot Auxiliary DC Cable AO 0649 i Tae USB Cable AO 1480 I AN OD74 Li A Radio Link 5 Weather Station NMT 3639 E G 200 series i i NM0268 orMM 0316 LAN Cable to Ext PC AO 0679 via modem 11 Auxiliary Mains Cable AN 0074 or cable 1 Microphone Cable pod AO 0414 D 100 NMT 3639 E ea pl Microphone Cable Wod EN GSM l uua AO 0028 D 100 NMT 3639 G odem or I GPRS Router 5 gt Extemal DC Options Weather Station MM 0256 6 param a Weatherproof NMT ADVANCED 3639 G a I I I Weather Station MM 0316 2 param Microphone l GPS Receiver ZZ 0249 4184 l requires GPS Software BZ 7845 I PSTN Modem ZM 0070 l l GSM Modem ZM 0071 Microphone Cab
4. 7843 Using this control software the NMT can be configured as needs arise making the system very cost effective Configurations Standard configurations of the NMT Type 3639 see Tables 1 and 2 include e Thesupport 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 ANOMS airport noise monitoring software 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 or ANOMS airport noise monitoring software 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 communication Table 1 Overview of the standard config
5. 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 NMTs are intelligent units 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 bs Industrial noise Noise surveys s Features e Designed for stable long term continuous outdoor monitoring e Logging of broadband and 1 3 octave optional parameters every second or half second e Streaming of data over LAN to Environmental Noise Management Software Type 7843 and ANOMS e AO GB industrial hard disk for safe long term backup Post processing that can create periodic statistical reports down to one minute including Ly data Dynamic range of 110 dB Remote verification of the entire measurement chain using the patented Charge Injection Cali
6. Quoted Upon Request e ANOMS Airport Noise Monitoring Software e Masts Hydraulic and 4 m Tripods Solar panels Low temperature Protection Kit Installation Support of NMT Maintenance Agreement Calibration Warranty Extension Help line Support Rental Briel amp Kj r reserves the right to change specifications and accessories without notice Briel amp Kj r All rights reserved Briiel amp Kj r Sound amp Vibration Measurement A S DK 2850 N rum Denmark Telephone 45 77 41 20 00 Fax 45 45 80 14 05 www bksv com info bksv com CE C ARN Local representatives and service organisations worldwide B ru e l amp Kj ea r BESS K Noy 2014 06 BP 2098 14 WIN MUA
7. ating option kit for NMT 3639 WU 0682 power consumption is 30 W per compartment 60 W total Batteries 1 x QB 0065 12 V included Max 2 Typical Operating Time 14 hours per battery 24 hours with two batteries charged when external AC or DC over 16 V applied 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 and ANOMS Type 3639 E 203 Noise Monitoring Terminal Plus for ENMS and ANOMS including GPRS Router Type 3639 E 300 Noise Monitoring Terminal Plus for System Integrators Type 3639 E 301 Noise Monitoring Terminal 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 e QB 0065 Battery AO 0414 D 100 Microphone Extension Cable 10 m 33 ft e AN 0074 Auxiliary Mains Cable UA 1685 Wall Pole Mounting Kit e AO 0649 External Aux DC Cable AO 1480 USB cable AO 1466 LAN cable 1 m 200 series NMTs only 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 Ter
8. bration CIC GPS support Sound recording 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 onan hourly basis for more efficient noise detection n a aN Bruel amp Kj r Description 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 workstations The NMT consists of a weatherproof cabinet containing a noise level analyzer and a battery with a
9. e made at the start of every one hour in order to identify typical sound environments 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 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 camera for example Outdoor Camera WQ 2837 so that pictures can be taken at 1 s intervals during noise events You can set up the maximum number of pictures 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
10. ection Fig 4 Noise Monitoring Terminal Type 3639 E G the electronics inside the NMT are well protected 140135 The NMT has been specifically designed to operate unattended in inhospitable environments protecting the contents from weather and unwanted interruptions due to tampering vandalism theft etc All equipment is protected inside two interlocking cabinets This dual cabinet construction ensures optimal protection of the equipment while securing a growth path for future NMT solutions from Briel amp Kj r A low temperature protection kit is available for continuous operation of the NMT under extreme weather conditions when running with mains power supply The NMT also includes a watchdog function that ensures that in the rare event of the NMT not operating such as loss of power it automatically restarts and continues measuring The robust durable weatherproof cabinet includes a kit for fastening the cabinet to a wall a box sectioned or tubular mast a lamp post or similar diameter 40 200 mm more if required and the door seals the cabinet from the outside environment and helps prevent tampering The cabinet is well protected by a weatherproof locking mechanism on the door and a padlock can be mounted for security 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
11. er 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 DIN 45657 1997 07 IEC 61260 1995 Octave and 1 3 octave Bands Class 1 ANSI S1 4 1983 plus ANSI 1 4A 1985 Amendment Type 1 ANSI 1 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 6 dB Electrical 21 4 dB Total 26 3 dB Type 3639 E Microphone Type 4952 Microphone 14 1 dB Electrical 17 2 dB Total 18 9 dB 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 26 3 142 0 dB Type 3639 E Microphone Type 4952 Range 18 9 134 0 dB Linear Operating Range In accordance with IEC 61672 A weighted 1 kHz Type 3639 G Microphone Type
12. ld exceedance duration Event Stop Trigger Leq or SPL with minimum threshold exceedance duration Sound Recording Maximum duration MP3 or WAV format DATA Data Logging rate or 1s Parameters SPL and Leq 1 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 Sound recording Maximum duration MP3 or WAV format max 20 of monitoring time ADVANCED STATISTICAL ANALYSES Hourly Reports Total Leg Background Leg Noise Event Leg PN dB 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 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 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 GB hard disk giving at lea
13. le GPRS Router ZM 0073 AO 0028 D 100 Auxili l l External PC A uxiliary I Environmental Noise DC Cable Management System 3642 AO 0649 amp Sound Calibrator4231 0 S p l S 1 ANOMS bo E LL22 l Camera Event Analysis Software BZ 7844 Auxiliary pig WQ 2837 NMT 3639 E l Mains Cable UAR 690 Battery QB 0065 Radio Link l AN 0074 Tripod UA 0587 Battery Charger ZG 0453 via modem for charging QB 0065 outside or cable the NMT Tripod UA 0587 for microphone Tripod Adaptor DB 4024 Oooo Tripod UA 1690 for NMT Modem PSTN or GSM Outdoor Camera WQ 2837 GPRS Router Low temp Operation Modification l Solar Panels l i 050304 3 The NMT is controlled remotely by Environmental Noise Management Software Type 7843 see BP 2100 ANOMS airport noise monitoring software 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
14. minal Advanced including GSM ZM 0071 Modem Type 3639 G 200 Noise Monitoring Terminal Advanced for ENMS and ANOMS Type 3639 G 203 Noise Monitoring Terminal Advanced for ENMS and ANOMS 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 e QB 0065 Battery AO 0028 D 100 Microphone Extension Cable 10 m 33 ft AN 0074 Auxiliary Mains Cable UA 1685 Wall Pole Mounting Kit e AO 0649 External Aux DC Cable AO 1480 USB cable AO 1466 LAN cable 1 m Optional Accessories Type 4231 Sound Calibrator BZ 7844 Event Analysis Software for Type 3639 A 3639 B or 3639 E NMTs QB 0065 Battery ZG 0453 Battery Charger for QB 0065 ZM 0070 PSTN Modem ZM 0071 GSM Modem AO 0655 GSM Antenna ZZ 0249 GPS Receiver ZM 0073 GPRS Ethernet Router MM 0256 Weather Station 6 parameter MM 0316 Weather Station 2 parameter UA 0587 Tripod for microphone UA 1690 Tripod for NMT DB 4024 Tripod Adaptor Type 7843 Environmental Noise Management Software Type 3642 Environmental Noise Management System WQ 2837 Outdoor Camera Products Services and Accessories
15. nd analysis is performed by Noise Level Analyzer Type 4441 and System Controller UL 0235 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 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 later 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 Lpeak Lim Lins Lmax aNd 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 It can also identify noise events for example to restrict the duration of frequency anal
16. nments EN IEC 61000 6 2 Generic standards Immunity for industrial environments EN IEC 61000 4 4 Fast transient burst immunity Level 2 1000 V 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 Temperature IEC 60068 2 1 amp IEC 60068 2 2 Environmental Testing Cold and Dry Heat NMT Cabinet and Contents Operating Temperature 10 to 50 C 14 to 122 F Operating Temperature with low temperature protection kit Down to 40 C 40 F Storage Temperature 25 to 70 C 13 to 158 F Humidity IEC 60068 2 78 Damp Heat 93 RH non condensing at 40 C 104 F Recovery time 2 to 4 hours Mechanical Non operating IEC 60068 2 6 Vibration 0 3 mm 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 Enclosure 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 configurations unless otherwise stated STANDARDS Conforms with the following National and International Sound Level Met
17. rophone is water pipe protected inside the acoustically optimised windscreen which has an anti bird spike fitted at the top Construction is elegantly simple ensuring longevity and low maintenance costs The microphone can be mounted on standard 1 water pipe allowing stable mounting and secure cabling A range of tripods and microphone mounting systems for example 4m masts and hydraulic masts are available from or can be Saem recommended by Br el 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 permanent 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 atmospheres with rain protection according to IEC 529 IP44 and operation all the way up to 100 RH The microphone has excellent omnidirectional characteristics allowing high accuracy with fixed orientation and less dependency on the operator s expertise The CIC function is complemented by a built in test sound source at 1 kHz for actual calibration For more information see Product Data BP 0741 140134 Environmental Prot
18. rted As Standard Noise Monitoring Terminal Advanced 4184 Briel amp Kj r NMS RS 232 PSTN GSM Type 3639 G Type 7802 Noise Monitoring Terminal Advanced 4184 Briiel amp Kj r NMS RS 232 PSTN Type 3639 G 001 including PSTN Modem ZM 0070 Type 7802 Noise Monitoring Terminal Advanced 4184 Briiel amp Kjaer NMS RS 232 GSM Type 3639 G 002 including GSM Modem ZM 0071 Type 7802 Noise Monitoring Terminal Advanced 4184 Br el amp Kj r ENMS LAN GPRS Type 3639 G 200 for ENMS Type 7843 ANOMS Noise Monitoring Terminal Advanced 4184 Briiel amp Kj r ENMS LAN GPRS Type 3639 G 203 for ENMS with GPRS Router Type 7843 ANOMS Noise Monitoring Terminal Advanced 4184 Customer defined RS 232 PSTN GSM Type 3639 G 300 for System Integrators software Noise Monitoring Terminal Advanced 4184 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 The outdoor microphone is a major factor in ensuring that the NMT complies with Outdoor Microphone IEC 61672 Class 1 requirements with either 0 or 90 reference direction Type 4952 with integrated coupling It functions correctly under conditions of up to 96 relative humidity and in ambient fitted on the top of a temperatures ranging from 30 to 55 C The precision condenser mic
19. st 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 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 WATCHDOG FUNCTION Ensures automatic restart of the NMT after failure power loss CONTROL SOFTWARE Configuration dependent see Table 1 and Table 2 Environmental Noise Management Software Type 7843 Type 3639 E G 200 series NMT Plus Advanced for ENMS or ANOMS ANOMS Noise Monitoring Software Type 3639 E G 200 series NMT Plus Advanced for ENMS or ANOMS Noise Monitoring Software Type 7802 Type 3639 E G 000 series NMT Plus Advanced 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 WEIGHTS Weatherproof Cabinet Height 829 2 mm 32 65 e Width 397 4 mm 15 65 Depth 200 9 mm 7 91 e Weight 22 4 kg 49 3 Ib for NMT with one battery 28 9 kg 63 7 Ib with two batteries e Mounting Kit 7 5 kg 16 5 Ib POWER REQUIREMENTS Voltage 110 220 240 V AC Frequency 47 5 66 0 Hz Operates on external DC voltages between 12 24 V using the included External Aux DC Cable AO 0649 Power He
20. t the following information is stored at or 1 second intervals SPLand Leq values 1 3 octave spectrum PNL Perceived Noise Level and PNLT Perceived Noise Level Tone Corrected values according to ICAO Annex 16 The sound file Furthermore EPN dB Effective Perceived Noise Level of all the events according to 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 Noise 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 A B or 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 Alternatively the recordings can be stored as high fidelity wav files for post processing such as tone analysis using FFT in for example PULSE LabShop If desired sound recording can instead be done at regular user defined times This enables the NMT to record sound at user defined time intervals and durations for for example 1 minute sound recordings to b
21. 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 conformance 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 The CE marking is the manufacturer s declaration that the product meets the requirements of the applicable EU directives O RCM mark indicates compliance with applicable ACMA technical standards that is for telecommunications radio communications EMC and EME ps WEEE mark indicates compliance with the EU WEEE Directive Safety EN IEC 61010 1 and ANSI UL 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use EMC Emission EN IEC 61000 6 3 Generic emission standard for residential commercial and light industrial environments EN IEC 61000 6 4 Generic emission standard for industrial environments CISPR 22 Radio disturbance characteristics of information technology equipment Class B Limits EMC Immunity EN IEC 61000 6 1 Generic standards Immunity for residential commercial and light industrial enviro
22. the risk of tampering or accidental damage The system includes one or two batteries for independent operation and as a backup 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 The batteries can be fully charged in ten hours and one charger is needed per battery Contact your local Briel amp Kj r representative for more information The NMT can be powered from a variety of sources such as solar panels connected through the DC supply input 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 10 m 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 a
23. urations of Noise Monitoring Terminal Plus Type 3639 E Communication NMT Microphone Central Control Software Protocols Supported As Standard Noise Monitoring Terminal Plus Type 3639 E 4952 Briiel amp Kj r NMS RS 232 PSTN GSM Type 7802 Noise Monitoring Terminal Plus Type 3639 E 001 including 4952 Briiel amp Kj r NMS RS 232 PSTN PSTN Modem ZM 0070 Type 7802 Noise Monitoring Terminal Plus Type 3639 E 002 including 4952 Briel amp Kj r NMS RS 232 GSM GSM Modem ZM 0071 Type 7802 Noise Monitoring Terminal Plus Type 3639 E 200 for 4952 Briiel amp Kj r ENMS LAN GPRS ENMS Type 7843 ANOMS Noise Monitoring Terminal Plus Type 3639 E 203 for 4952 Briel amp Kj r ENMS LAN GPRS ENMS with GPRS Router Type 7843 ANOMS Noise Monitoring Terminal Plus Type 3639 E 300 for 4952 Customer defined RS 232 PSTN GSM System Integrators software 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 See also Product Data for Type 7843 Type 7802 and the ANOMS Brochure Table 2 Overview of the standard configurations of Noise Monitoring Terminal Advanced Type 3639 G Communication NMT Microphone Central Control Software Protocols Suppo
24. ysis to reduce memory usage and monitor Lpeq 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 GB 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 Leg Distribution e Short reports User defined short reports 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 Leg Noise Event Le e Noise events Detects noise events from any user defined trigger level and duration 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 even
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