BSWA Technology Product Catalogue
Contents
1. T 1000 I 2000 l l 1 5000 10000 20000 40000 60000 Typical Free field Frequency Response Curve of MK401 1 2 PRESSUREH HDMI CROPOHONE CAPSULES MP251 253 There are three types of sound field measurement microphones for use in different testing environments free field microphone pressure field microphone and random incidence microphone When making a measurement at frequencies below 5000Hz the differences of the measurements using the above three types of microphones are within 0 3 dB The measurement difference could be higher than 10 dB at the high frequencies above 16 kHz Therefore choosing the right microphone is a must for making accurate measurements Random incidence Microphone Only USA standard has requests for random incidence microphones So to make the measurement conform to the USA ANSI standard a random incidence microphone is required Free field Microphone A microphone can change the sound field in which it is placed A free field microphone is designed to compensate for the influence of its presence in the sound field So it can measure the sound pressure as it existed before the microphone was introduced into the sound field and can be used in such environments as outdoors anechoic room or reverberation room Pressure field Microphone a pressure field microphone can measure the sound pressure exis2. MI CROPHNE ARRAYS Bswa designs and manufactures microphone arrays for acoustical measurements Our experience spans from simple linear array to complicated random array The number of microphones in the arrays ranges from 16 to 256 according to the customers requirements Microphones are the most important elements in the array BSWA uses MPA416 or MPA466 with TEDS for 1 4 microphone array The phases of the microphones are matched according to the customer s specifications For critical applications where high accuracy and low noise are required BSWA will recommend MPA201 or MPA261 with TEDS as microphone elements To make the array structurally stable BSWA uses stainless steel or aluminum and CNC cutting to fabricate the mechanical parts SPS980 Spiral Array SPT980 SPS980 SPS490 SPS490 Spiral Array Customized Cross Array MICROPHONE ARRAY SPT980 SPS980 SPS490 SPEQ ACAN ONS Model SPT980 Type of Array Spiral No of Microphones 36 Diameter 1 0 m Microphone Model MPA201T Dynamic Range 20 135 dBA Frequency Range 20 Hz 20 kHz Phase Match 2 Cabling 8 pin LEMO to 8 SMBs SPS980 Spiral 36 1 0m MPA416 30 128 dBA 20 Hz 20 kHz ano 8 pin LEMO to 8 SMBs SPS490 Spiral 16 0 5m MPA416 30 128 dBA 20 Hz 20 kHz LUO 8 pin LEMO to 8 SMBs 12 MICROPHONE SPHERICAL SURFACE FIXTURE MF720 MF710 In the measurement of sound power level according to ISO 3745
3. free field measurement microphone and the best choice for use in IEC61672 Class 2 Sound Level Meters and other noise measurements requiring Class 2 accuracy The design of the MP215 is based on the high performance MP201 design and technology Like MP201 the microphone diaphragm of MP215 is also made from a nickel alloy using BSWA diaphragm coating technology while the housing is made from stainless steel The temperature pressure and humidity coefficients are better than IEC 61672 Class 2 requirements To help distinguish it from the MP201 the microphone protection grid of MP215 was redesigned The figure below illustrates the typical polar pattern of MP215 and its exceptional omni directional capability Each microphone is individually calibrated using an electrostatic actuator and pistonphone and all microphones are environmentally aged for long term stability The MP215 is an excellent all around Class 2 microphone with proven design for quality reliability stability and performance ip Le im nike mane hes oe A i 3 gt i Ok PLKS STS PELETA aS ee l TRS CE i I UL ST h Ta S ae ATT SER SS RS SATE RSS os i SPEGQ H CATIONS MP215 MICROPHONE MP215 Diameter Response Open Circuit Sensitivity Frequency Response Polarization Voltage Dynamic Range 3 Distortion Limit Cartridge Thermal Noise Capacitance Typical Pressure Vent Operating Temperature Equa
4. 130 dB 132 dB 132 dB Equivalent Noise Level 18 dBA 25 dBA 24 dBA Output Impedance 110 ohms Max Output Voltage 4 5 Vrms Connector BNC ICP Power Current 4 0 mA 14 1CP TE MICROPHONES MPA416 MPAA66 MPA4I6 The MPA416 is 1 4 prepolarized free field SEIS ACAI measurement microphone It is an ideal choice for ICP MICROPHONE MPA416 466 TEDS array applications where a large number of Response eae microphones are required ere 26 dB 2 dB ref MPA416 features y 1V Pa or 50mV Pa o Equivalent Noise Level 29 dB A High Sensitivity 50 mV Pa This is a high sensitivity for 1 4 microphones The advantage Upper Dynamic Limit 127 dB of such high sensitivity is to provide high signal 20 Hz 20 kHz output to data acquisition board complied with IEC l Frequency Range 61672 Class 1 Low Noise Floor 29 dBA MPA416 is tested requirements at to have noise floor of 29 dBA It can be used to reference conditions measure noise from computers home appliances Power supplier ICP and other low noise machines T H D lt 3 at 128 dB SPL Flat Frequency Response 20 Hz 20 kHz Temperature The frequency response complies with IEC Coefficient at 1000 Hz 19 39 lt 0 3 dB 0 40 C lt 1 5 dB 61672 Class 1 tolerances at reference f 10 50 C lt 3 0 dB temperature 23 C Phase Match Special attentions are paid to 20 90 RH Sound phase match MPA416 has the guaranteed Pressure Level Change phase match tolerance
5. 2003 20 measurement positions are required on a spherical measurement surface enveloping a noise source in anechoic and hemi anechoic room However it is difficult to mount 20 microphones on tripods in a spherical surface BSWA Technology developed MF 20 and MF710 microphone fixture specifically for such measurements MF720 is designed according to ISO 3745 2003 to mount 20 microphones over the spherical surface MF710 is a 10 positions version according to ISO3745 ISO7779 and GB6882 MF720 MF710 main features 20 10 microphone positions The position and orientation of each microphone can be adjusted to fit the amendment of the ISO standards Portable with light weight and the parts can be disassembled for easy transportation Microphone Mounting for MF710 12 7 Microphone positions for MF720 SPECIFICATIONS MICROPHONE SPHERICAL SURFACE FIXTURE MF710 MF720 Model MF720 MF710 No of Microphone Positions 20 10 Standards ISO3745 2003 ISO7779 GB6882 88 IS03475 1982 Radius microphone positions m 1 0 1 0 Microphone Size to be Fixed on inch 1 2 1 2 Carrying Case mm 1500 350 200 1500 350 200 Weights kg 11 10 OPTIONAL ITEMS MPA201 1 2 ICP Microphones 20 10 CBB 020 20 m BNC cables 20 10 MICROPHONE COND TION NGUN TS MC102 MC102 is a 2 channel ICP power supply that provides a constant 4 0 mA current to ICP microphones and other ICP sensors The output signals from MC102 can be connected di
6. ACCESSORIES Bswa provides a wide range of standard accessories Cables Model CBBnnn BNC to BNC cables used to connect BNC microphones and transducers with date acquisition system or test equipment Model number indicates cable length i e BBO20 for 20 m i Model CUBnnn 10 32 UNF or M5 to BNC cables commonly used to connect accelerometers and other transducers to acquisition system and analyzers Model number indicates cable length Also available are cables suitable for high temperature environments ss Model CSBnnn SMB to BNC cables used for connecting SMB microphones to acquisition input channels Model CUUnnn 10 32 UNF M5 to 10 32 UNF M5 Cables Also available are cables suitable for high temperature environments Model CSSnnn SMB to SMB Cables Model CLL nn 7 Pin LEMO female to 7 Pin LEMO male Cables It uses with MV201 preamplifier Model CLS8nn 8 pin LEMO male to 8 SMB connectors Cable It uses with the microphone array Microphone Adaptor for Calibrator 1 1 2 adaptor for 1 2 inch microphones 1 2 1 4 adaptor for 1 4 inch microphones ADO02 1 2 ADO02 1 4 Accessorie Windscreen Model WS002 9 90 mm diameter spherical windscreen for 42 microphones Model WS002 5 50 mm diameter spherical windscreen for 42 microphones Model WS002 3 Elliptical windscreen for 12 microphones Microphone Adaptor for Preamplifier Model TA042
7. Adaptor for 1 4 microphone and 1 2 preamplifier Nose Cone ws Model NC002 Specially designed windscreen for 42 microphones exposed to high winds 28 BSWA Technology Co Ltd Room 1002 North Ring Center 18 Yumin Road Xicheng District Beijing 100029 China Phone 86 10 5128 5118 Fax 86 10 8225 1626 Email info bswa tech com Web www bswa tech com ICP is a registered trademark of PCB Group Inc Depew New York
8. Low Cost Microphone Capsule Class 2 ccceeeeeees 4 1 4 Free Field Microphone Capsule cccceeeeeee eee e eens 5 1 2 Pressure Field Microphone Capsule e0eeeeee 6 Microphone Preamplifier cccccccee cece eeeeeeeeeeeeeeeeeeeeeees 1 2 TEDS MICrOphoOnes cccccccccsseeusecsuuccuseersesuuacuneeenns 8 1 4 TEDS MICrophoness cc cece cece ee eee eee tees ee eeneeeeeeeeees 9 ICP Sound Intensity PlODCscsccccccccasenimscazmsracsueroreeevemexesenees 10 Studio VIICHO DONC saieitcn teva taavacensiiaunnaseesankansadaserusharracige ease 11 Microphones At AY vic covexccccnn de anctiecccmnhagucneeotendsauenbarcentacueneest 12 Microphone Spherical Surface Fixture cccceeeeeeee eee ees 13 Microphone Conditioning Units ccc cece cece eee eee eee e ease 14 Electrostatic Actuator amp Power Calibrator ccccceeeaes 15 Measurement Hardware Data Acquisition Hardware ccccceeeeee cece eeenneneeeeeeees 16 Artificial Ear amp Artiricial Mouth cccce cece eee ee eeeeeee eens 17 Omni Sound Source amp Power Amplifier cccceeeeeee eee 18 Mid frequency Volume SOUICE cece cee eee eee ee eeaeeeeeaes 19 Tapping IW AGING eessen orree raeo eaa 20 Impedance TUbe cccccc cece cece eee e cece eee e ee eeennanaaeeeeees 21 PAC CIIONC BOX is ccna venenderteccantd pena teeranendtor die
9. Meter Impedance Tube Sound Intensity se Reverberation Time Insulation Sound Power Audio Main Features of VA Lab BASIC FFT Analysis general signal analysis by FFT or CPS Data can be captured and saved in real time mode 1 n Octave general 1 n octave analysis for sound and vibration signals Calibration user selection of sound or vibration calibration Data View Time history data view with linked to spectral data Record Wave file or time series signal record and play back 29 ARCHITECTUAL ENVIRONMENTAL MODULES VA Lab ARCH ENV Architectural Module Environment Module VA Lab ARCH module provides reverberation time measurements and sound transmission loss measurements according to ISO standards E sound Level Beter BC i027 VA Lab ARCH uses the interrupted noise method to measure the reverberation time in a 1 1 or 1 3 octave frequencies It displays the Com Com wr me me oa ome a oa oma me me mao o E decay curves VA Lab Arch measures the i a sound pressure level difference between rooms automatically corrects the reverberation time effects and calculates the sound insulation index using curving fitting IPL Li Frage IT Amp si E 1 wi Frsnerru bir NoScteve E Diri bid Diri bt L m C an C se o cm VA Lab ENV is a powerful sound level meter It om e meo m supports 10 channel sound pressure level measurements at 10 locations Each channel can perform multi tas
10. and new process control methods to further microphone and related equipment technology while reducing manufacturing costs Research amp Development As a technology leading company BSWA invests heavily in product research and development BSWA hires skilled individuals most with M S and Ph D degrees in Acoustics and related sciences This results in not only an incredibly knowledgeable team of developers and technicians but also a team that is dynamic highly motivated and able to develop and manufacture high quality products BSWA is continuously improving its products while developing new ones in response to customer needs From 1998 till today BSWA has launched such new products as Microphones Array VA Lab software Impedance Tube and a complete line of microphone products BSWA strives for excellence in product design resulting in high quality exceptional performance and low cost The latest information about BSWA can be found in www bswa tech com Launched VA Lab measurement software 2007 Expanded microphone product line launched MP series 2004 microphone Launched tube impedance measurement system 2005 First InterNoise Show in Korea 2003 Built anechoic chamber for Lenovo Computers 2001 TABLE OF CONTENTS CONTENTS PAGE Microphones 1 2 Free Field Microphone Capsule Class 1 ccee eee 2 1 2 Free Field Microphone Capsule Class 2 ccee sees 3 1 2
11. and x10 BNC BNC 310 x 250 x 65 mm 14 HECTROS TIC ACTUATORSPOWER CALIBRATOR EA002 AS002 CA106 EAD02 Electrostatic actuator is used for testing frequency response of microphones An electrostatic actuator comprises an electric metal plate which can be placed near the microphone diaphragm A time various voltage is applied in between the metal plate and the diaphragm and thus an electrostatic force simulating sound pressure can be distributed on the diaphragm surface CA106 The CA106 Sound Level Calibrator is a pocket sized battery operated sound source for quick and direct calibration of sound level meters ASO02 BSWA electrostatic actuator EA002 is especially designed for testing the frequency response of 1 2 microphones It can be used to calibrate the sound level meters according to IEC61672 3 Standard The EA002 conforms to IEC 61094 6 standard and can be calibrated periodically with a sound level meter in accordance with IEC 61672 3 standard and other sound measuring systems The CA106 satisfies the IEC60942 Class 2 standard and fits all 1 4 1 2 and 1 diameter microphones The CAI106 provides a continuous sound pressure level of 94 0 dB at 1 kHz allowing the same calibration value to be used for all weightings After one minute running the CA106 automatically turns off conserving battery power SPEC A CATIONS An 800V DC bias voltage is needed for driving electrostatic actuator The AS
12. inputs to perform sound intensity measurements Features ICP powered Two BNC connectors for easy connection Accurate phase matched microphones Face to face configuration 1 3 octave centre frequency ranges 63 Hz to 5 kHz Well defined acoustical microphone separation The SI502 is constructed on a face to face design It comprises a robust frame which holds two ICP preamplifiers and matched microphones in a face to face configuration The distance between microphones is defined by solid plastic spacers Sound is constrained to act on each microphone through a narrow slit between the spacer and the microphone grid This gives well defined acoustic separation of the microphones and minimizes shadow and reflection effects Phase matching of 1 2 Microphone Pair selected from Type MP201 is better than 2 degrees in full test frequency range from 45 Hz to 6000 Hz The normalized microphone frequency responses differ by less than 0 5 dB SI502 is supplied with 8 5 mm 12 mm and 50 mm spacers Each probe is individually calibrated in the anechoic chamber the calibration data include phase matching microphone sensitivities and actuator responses SI 502 SPEC A CATIONS SOUND INTENSITY PROBE SI502 Standard Frequency Range 1 3 Octave Weight Output Connectors Cable to ICP inputs Case Dimensions Microphones Diameter Response Combined Sensitivity Microphone Phase Response Difference Amplitude Re
13. 002 is the electrostatic actuator power supply It have built in signal amplifier of 30 dB It can take the signal directly from a data acquisition card SPECIH CATIONS Standards IEC 61094 6 Microphone Diameter 4 2 Dimension 50 x 30 mm Weight 150 g ELECTROSTATIC ACTURTOR POWER AS002 Max Input Signal 1 Vrms Signal Magnified by 30 dB Max Output Signal 25 Vrms DC Bias Voltage 800 V Frequency Range 1 Hz 200 kHz Output Impedance 1500 Q Power Supply 220 V 50 Hz Dimension 285 x200 x105 mm Weight 2 4 Kg CALIBRATOR CA106 Standards IEC 60942 2003 Class 2 Calibration Level 94 dB 0 4 dB seth 1 kHz 1 7 Distortion lt 25 SPL lt 0 4 dB Environmental Influences Freq lt 1 7 reference to Temperature 0 40 C damare Humidity 20 90 conditions Pressure 65 108 kPa Stabilization Time 30s Coupler Volume gt 150 cm Battery 1x 9 V PP3 Alkaline manganese is Battery Life recommended with a battery life better than 24 hours Dimensions 041 x 102 mm Weight 287 g battery included DATAACQUISI TION HARDWARE MC3022 MC3522 MC3242 MC3022 The MC3522 is developed to meet the need of audio testing where a small power amplifier is required to drive the loudspeakers MC3522 has a The MC3022 is a USB powered Plug N Play built in 20W power amplifier with a lockable knob measurement soundcard with two ICP input channels and one output source channel MC3022 is based on 16 bit The MC3522 is US
14. 34 0 789 calculate the transmitted energy through the 500 18 042 0 398 OTT 1140 1 280 0 349 1 088 0 268 0 835 630 6 907 omo ome owo 04 085 05T O Oe O 0S sample and then calculate the TL values 800 22 550 l 0 258 0 861 0 371 1 092 0 171 0 330 1 241 2 389 34 666 0 071 0 964 0 334 1 443 0 042 0 331 0 380 2 98 41 661 T 0 032 0 984 0 105 1 392 0 019 0 103 1 701 9 407 0 000 1 000 0 000 2 248 0 000 2 248 0 000 0 445 0 000 0 000 1 000 0000 2 248 0 000 2 248 0 000 0 445 0 000 0 000 1000 0000 2 248 0 000 2 248 0 000 0445 000 0 000 1 000 0 000 2 248 0 000 2 248 0 000 0 445 0 000 0 000 1 000 0 000 2 248 0 000 2 248 0 00 0 445 0 000 0 000 1 000 0 000 2 248 0 000 2 248 0 000 0 445 0 000 0 000 1 000 0 000 2 248 0 000 2 248 0 000 0 445 0 000 Calculate File name to save Abs result Save Close F eethodl Standing wave ratio Channel Input 1 v Frequency Choose A Se T e g LO melds teh Om ean en nT ool ee co Time s Value Unit dB During Time Current 93 89 Max 98 23 00 00 09 Min 76 84 26 O O M O O O O O O O O O O d O O d O O AUDI OANALYZER MODULE V tab Audio is a software module for characterizing the performance of electroacoustic products audio electronics and transducers With the simplicity of operation required for production line QC yet the extensive analysis tools n
15. A Lab Power module is specially designed to satisfy sound power level test according to ISO3745 With NI Compact DAQ and BSWA BESE ir Camano hinir ronim FT Landed microphones the noise level can be tested es E z simultaneously in 10 channels the sound power Bioma E orewa A AstEDMAN otal a level is calculated automatically based on the ral mo S measurement surface area With microphone conditioning unit MC104 MC1010 is 10 channel version the background noise can be below 20 dBA for some critical measurements r i SEN E E BeReSBEBEEBE GES inn 10 inii Peagueeep Fa The measurement of Sound Intensity provides information of magnitude and direction of the sound field which is used in a variety of applications such as the determination of sound power and the noise source localizations te ch PEIPCA CAAT UC Pea CACY Tm ke e Seles ate Le Ha 2 8 amp Area of Tort Sphere w m EEREN cerrertuon Falus kit Temper atere Caltina 25 Bareeetric Prarrara Pad be a O SE VA Lab SI module provides a simple system for ere e a sound intensity measurements The system requires two channel data acquisition hardware MC3022 and intensity probe SI502 The amp integral vi 0 0 K measurements of sound intensity become very nso s1 easy task 3 arte tit ete n o Ste eee woo sow pomno ee SIL and SPL Real time display in 1 1 or 1 3 Octave lw 74 9 dB A and linea
16. B powered for measurements It A D converters with two channel simultaneous sampling required 220V when the power amplifier is frequency of 44 1 kHz It is the perfect start to building switched on your own two channel sound and vibration measurement system MC3242 Based on sound card technology MC3022 frequency response ranges from 20 Hz to 20 kHz with an accuracy of 0 5 1 0 dB Specially designed circuitry lowers the system noise floor by significantly reducing high frequency noise common in USB powered devices The input channels can be connected to any ICP powered sensor and when using BSWA_ ICP microphones The MC3242 is a 4 channel hardware designed MPA201 215 216 MC3022 is capable of measuring acoustic signals from an amazing 35 dBA to 118dBA without any change in signal gain The output channel is using NI 9233 data acquisition card It can analyze acoustic and vibration signals acquired capable of providing a 1 0 Vrms source signal to speakers simultaneously from its 4 channels MC3242 has shakers and other devices two signal output channels The MC3022 is designed for VA Lab acoustic measurement The MC3242 is designed for VA Lab software It software developed by BSWA It also works with a can be used for sound transmission loss testing in number of software including WinMLS DIRAC EASERA Audio Tester Listen ETF NoiseBook SpectralPlus and Lab View just to name a few BSWA impedance tubes It can also
17. BSWA Technology Product Catalogue BSWA TEC COMPANY OVERVIEW Established in 1998 BSWA Technology Co Ltd is an acoustical company covering the businesses Manufacturing the world class measurement microphones Developing acoustic measurement systems and devices Designing and building anechoic chambers Acoustical consulting for environmental and noise control projects With the headquarter located in Beijing BSWA currently employed 55 staff with offices in Shanghai Guangzhou and Chengdu The BSWA s products are distributed in more than 20 countries through our sales partners Production BSWA s production facility is located 30 km from central Beijing and includes over 1200 m of floor space The facility comprises manufacturing areas test laboratories environmental chambers a full anechoic chamber and a clean room All microphones are hand built to and individually tested to meet BSWA s high standards in quality and performance Launched MP201 measurement microphones 2000 Established by five acoustic engineers partnered with Institute of Acoustics 1998 Acoustic projects appliance 1999 consulting home companies for Acquired business from IOA 2002 BSWA Quality BSWA is fully committed to Quality Management ensuring that every product meets strict standards in performance BSWA continues to invest in new machine tool technology new methods of calibration
18. Ratio Method The Transfer Function Method separates the incident and reflected energy from the measured transfer function and then estimates the acoustic properties of the tested sample located at the end of the tube The SW series Impedance Tubes are specially designed not only to work with the cut samples but also for direct use in the field The small size and durable aluminum construction make it easy to transport and be used for estimating the properties of walls ceilings installed building materials road surfaces different ground surfaces interiors of The SW230 260 Impedance Tubes are used to vehicles etc SW230 260 measure the sound absorption coefficients of materials The measurement frequency ranges from 125 Hz to 6300 Hz SW230 260 is designed to have two locations for 1 4 microphones needed for measuring sound pressures BSWA offers the complete set of Impedance Tube system which includes the tubes microphones DAQ hardware and measurement software BSWA 1 4 microphones MPA416 which have excellent phase matches is ideal for impedance applications The SW433 463 microphones are directly connected to optional 2 channel MC3022 or 4 channel MC3249 data pauses hardware Du A en p na The PASO power amplifier is used to drive the 20W loud e Dori sound absorption oe mies and speaker in the impedance tube The BSWA VA Lab One oS The tube uses four 1 software provides all measurement functions for sound micr
19. and outstanding performance The electronic circuitry coupled with a transformerless output stage provides a flat frequency response across the entire audio bandwidth while at the same time achieving an extremely low noise floor With a dynamic SM4006 microphone offers an economical choice Tanoe of 125 dB handling up to 146 dB SPL with incredible performance Its polymer it is a handcrafted work of art diaphragm and copper housing yields a flat frequency response out to 16 kHz with excellent SM4005 microphone is a top performer that dynamic range and low noise floor It is a proven uses the same preamplifier as the SM4001 It performer for the price has the same flat frequency response out to 16 kHz stemming from its nickel alloy diaphragm It is a great choice for accurate acoustic recording requiring a large dynamic range SPEC H CATIONS Models SM4001 SM4005 SM4006 Microphone Capsule MP201 MP215 MP216 Linear Frequency Range 20 Hz 20 kHz 20 Hz 12 5 kHz 20 Hz 16 kHz Sensitivity 50 mV Pa 40 mV Pa 32 mV Pa Max SPL for 3 THD 146 dB 140 dB 130 dB Equivalent Noise Level 18 dBA 25 dBA 24 dBA Output Impedance 200 Q Max Output Voltage 4 5 Vrms load gt 2000 Q 1 0 Vrms load 1000 Q Connector XLR Phantom Power 25V 48V_ current 3 mA Weight 160 g Polar Pattern Omni Directional SMA4000P Phantom Powered Preamplifier for SM4000 Series Microphones SM4000 K Microphone Kit includes SMA 4000P MP201 MP215 and MP216 11
20. be used in general acoustic or vibration measurements SPEC A CATIONS DATA ACQUISITION HARDWARE MC3022 MC3522 MC3242 Model MC3022 MC3522 MC3242 Input Channel 2 ICP 4 mA 4 ICP 4 mA Max Input Voltage 1 0 Vrms 5 V Output Channel 1 Ute A 2 pees 2 amplifier Max Output Voltage 1 0 Vrms 1 V Frequency Response IEC 61672 Type 2 20 Hz 20 kHz Connector BNC A D Converter 16 bits 24 bits Max Sampling Frequency 44 1 kHz 50 kHz Internal Noise 35 dBA 30 dBA Frequency Response Ref 250 Hz 0 5 dB 1 0 dB Measurement Range With MPA201 20 Hz 20 kHz 35 118 dBA 30 130 dBA USB 220 110 V when power amplifier works USB Power Requirement USB 16 ARTIHCALEARANDARTIHOQALMQUITH AED02 AMO02 AH002 AMO02 BSWA AE002 is designed to simulate human ear to test what human can hear AE002 conforms to IEC60318 and BSWA AMO002 is a sound source ITU TP 57 Standard It can be used in that can simulate sound from human the audio test of telephone or cell phone mouth AK002 can be used with BSWA MS003 conforms to IEEE 269 661 microphone and ITU T Rec standards BSWA ARTICICIAL MOUTH AM002 IEEE 269 IEEE 661 z Standard BSWA ARTICICIAL EAR AE002 anne RECE eee Level at MRP 94 dB 200 Hz 8000 IEEE 60 318 ITU T eee Hz Standard Reca Mouth Openi 20 mm diameter MP251 Pressure Field an PENRY ae Microphone as Option Mi h oe rene Loudspeaker 8 ohm 20 W icrophone Preamplifier as Option MaE VACHE L
21. e lengths up to TEDS stands for the Transducer Electronic Data 500 meters Sheet defined in IEEE 1451 4 standard They work with any ICP input channel which can be used for both acoustic and vibration The MPA261 265 266 are ICP TEDS microphones They are the combination of measurements BSWA 1 2 microphones and TEDS preamplifier MA211 MPA2Z01 The TEDS microphone will include such information as the microphone model serial MPA201 offers BSWA s top of the line choice number sensitivity reference frequency and is suitable for all acoustical measurements requiring Class 1 accuracy The MPA201 is extremely stable environmentally It is widely instruments The TEDS microphone helps to used in multi channel sound measurements facilitate plug and play and reduce the setup time including acoustic arrays due to its excellent of the system phase matching and sensitivity characteristics calibration date and etc The TEDS information will be read by an ever increasing range of The MPA series of TEDS microphones are sealed to the preamplifier with a calibration sticker SPEC A CATIONS ICP MICROPHONES MPA201 215 216 and TEDS ICP MICROPHONE MPA261 265 266 Models MPA201 MPA261 MPA215 MPA265 MPA216 MPA266 Microphone Capsule MP201 MP215 MP216 Diameter 1 2 inch Preamplifier MA211 MA211 with TEDS Optimized Frequency Response 20 Hz 20 kHz 20 Hz 12 5 kHz 20 Hz 16 kHz Sensitivity 50 mV Pa 40 mV Pa 32 mV Pa Max SPL for 3 THD
22. ecessary for R amp D VA Lab is suitable for use throughout the design and manufacturing process VA Lab Audio test system consists of VA Lab Audio software MC3522 data acquisition hardware and microphones The artificial mouth and artificial ear is optional items for audio measurements l ab i PLL Pe a E 10 pe tome wri Enn Fi agaang We VALab Audio iaa PASSED ooo H CEECEE CEECEE ECEE EEEE a C ma Main Features of VA Lab Audio Modes of Operations Stepped Sine Frequency Sweep Multi tone and User defined Stepped Sine Supports 1 1 1 3 1 6 1 9 1 12 Octave or User defined frequencies The user defined time intervals Frequency Sweeping Supports linear and logarithm sweeping Multi tone Test Supports 15 frequency tones User defined Mode Supports signal generator Sine square sawtooth White noise and Pink noise time signal recording and post processing Control Limit Easy set up limits for quality control Pass Failure indication Real time Frequency Analysis Frequency response and THD Harmonic Distortion supports maximum 30th order of harmonic distortion User defined distortion analysis Loudspeaker Calibration Automatic adjustment for output signals to make flat response of sound sources Sensitivity Test Supports microphones and transducer testing Signal Analysis Supports FFT 1 n octave and sound pressure level 2
23. er The microphone is supplied with its individual sensitivity and typical MP216 frequency response curve as shown in the figure below As an option the actual frequency response of the microphone can be supplied SPEC CATIONS MP216 MICROPHONE MP216 Diameter Response Open Circuit Sensitivity 250 Hz Frequency Response Polarization Voltage Dynamic Range 3 Distortion Limit Cartridge Thermal Noise Capacitor Typical Pressure Equalization Vent Operating Temperature Operating Humidity Equivalent Air Volume Temperature Coefficient 250 Hz Humidity 250 Hz Coefficient Pressure Coefficient 250 Hz Dimensions 1 2 inch Free Field 30 dB 3 dB 32 mV Pa 20 Hz 16 kHz OV gt 135 dB lt 25 dBA 20 30 pF Rear Vented 0 C 40 C 0 98 RH 280 mm at 250 Hz 0 05 dB C 0 02 dB RH 0 05 dB kPa IEC 61094 4 Type WS 2 dB gt 10 10 100 1000 Frequency Hz 10000 100000 Typical Free field Frequency Response Curve of MP216 1 4 FREEHELDMICROPHONE CAPSULES MP418 MK401 MP418 MKAO1 The MK401 is 1 4 free field microphone required a polarization voltage of 200 V The frequency range of MK401 is from 20 Hz to 70 kHz and meets IEC 61672 Class 1 requ
24. er Units 4 Diameter 8 Q 25 W Diameter 300 mm Weight 10 Kg Carrying Case 390 x 320 x 320 mm Dimensions POWER AMPLIFIER SWA100 Audio Power Power Supply Dimensions including case Weight 100 W 220 V 110 V 495 x 430 x 150mm 12 kg Q5002 SWAI00 PASO SWAIO0 The SWA100 Power Amplifier produces an amazing 100W per channel at 8 Q for its incredibly compact size and low weight It has the same features and protection circuits normally found only in more expensive larger and heavier amplifiers ts two channels can be used independently of each other and uses BNC connectors for input signals The SWA100 is specially designed to use passive cooling removing the need and noise of a cooling fan PA5O The PASO is a single channel power amplifier with a power at 50W Designed to be light weighted PASO is equipped with protection circuit that other power amplifiers of higher price have The PASO is ideal unit for impedance tube and audio testing 18 MI D FREQUENCY VOLUME SOURCE VSS 210 The VSS210 Volume Source is a mid frequency volume source It is ideal acoustical source for reciprocity measurements and TPA analysis VSS210 uses a power speaker driver to deliver up to 125 dB over the frequency range from 200 to 10 000 Hz Two phase matched MPA416 microphones is installed at 2 cm apart in the outlet The microphones provide the sound pressure and phase information for calculati
25. essure in the tube The other acoustic parameters such as reflectance coefficient impedance ratio and admittance ratio can be calculated based on the first minimum position of the pressure The Transfer Function Method uses two fixed microphones to acquire sound pressure near the sample VA Lab IMP can accurately separate the incident wave and reflect wave then calculate the absorption coefficients An extended frequency range can be obtained from the combination of measurement results gained in different diameters of the tubes It automatically calculates B Other acoustic parameter the acoustic properties of material at a wide Ealsinstenperetare 2D Maompberic E BSWA TECH frequency range of interests Hz S W R bsorptior Reflection M Impedance M Impedance Arg mpedance Re Impedance Im Admittance Re Admittance Im 100 18 541 0 378 0 78 1 397 1 308 0 364 1 349 0 186 0 691 VA Lab IMP supports four microphones transfer 125 47 111 0 017 0 991 L amp T 1 581 0 014 1 447 0 007 0 691 f 160 12 287 0 629 0 609 1568 1 060 0 T67 1 388 0 312 0 556 function method for sound insulation 200 5 745 A 0 898 0 319 1 648 0 546 1 409 0 856 0 518 0 315 250 17 134 0 429 0 758 1148 1 227 0387 1 081 0 294 0820 measurements It uses the published formula to 315 7 890 0 819 0425 LA 0 691 1 087 0 900 0 546 0 452 400 34 743 oomi 0 984 1 285 1 528 0 054 1 284 0 0
26. imits red curves Each microphone is supplied with its individual calibration data for frequency response and sensitivity Its stability and versatility has been proven in all fields of acoustic measurements It s no wonder many world leading manufacturers of Class 1 sound level meters choose the MP201 microphone Its proven quality reliability stability and performance simply make it the best choice MP201 SPECIH CATIONS MICROPHONE MP201 Diameter Response Open Circuit Sensitivity Frequency Response Polarization Voltage Dynamic Range 3 Distortion Limit Cartridge Noise Thermal Capacitance Typical Pressure Equalization Vent Operating Temperature Operating Humidity Equivalent Air Volume Temperature Coefficient 10 C 50 C Humidity Coefficient Pressure Coefficient 250 Hz Dimensions 1 2 inch Free Field 26 dB 2 dB 50 mV Pa 20 Hz 20 kHz OV gt 146 dB lt 16 dBA 16 pF Rear Vented 30 C 80 C 0 98 RH 250 mm at 250 Hz 0 005 dB C 0 003 dB RH 0 004 dB kPa IEC 61094 4 Type WS 2 10 100 1000 10000 Freauencv Hz 100000 Typical Free field Frequency Response Curse of MP201 1 2 FRREEHBDMICROPHONECAPSULE CLASS 2 The MP215 microphone is a 1 2 prepolarized
27. ip Ring External Diameter 40 mm Refer to Test Parameters MP251 MA211 Lip Ring Distance from Mouth 10 mm Diameter 40 mm Diameter 100 mm Height 120 mm Height 98 mm Weight 1 2 kg Weight 1 1 kg 17 QVIN SOUND SOURCES POMER AMPU H ERS Th OS002 Omni Sound Source and SWA100 Power Amplifier are an ideal match for frequency response measurements including Acoustic Reciprocity and Maximum Length Sequence MLS method Q5002 The OS002 Omni Sound Source uses 12 matched loudspeakers in a dodecahedral configuration This achieves a spherical distribution pattern satisfying ISO 140 3 and ISO 3382 requirements When connected to the SWA100 Power Amplifier the OSOO2 can deliver the remarkable output power of 115 dB All 12 specially selected speakers are connected in a series parallel network to ensure both in phase operation and matching impedance to the SWA100 Power Amplifier The speaker enclosure is all metal providing a rugged solid construction resulting in high acoustic performance The OS002 is compact and less than 12 30 cm in diameter With its high output power it s an ideal choice for sound insulation acoustic reciprocity and many other sound source measurements SPEC A CATIONS OMNI SOUND SOURCE 08002 ISO130 3 DIN52210 Standards ISO3382 Nominal Impedance 6 QO Power Handling 200 W continuous Frequency Range 125 Hz 4 kHz Sound Power Level 115 dB Pink Noise Connector Audio Connector Loudspeak
28. irements The dynamic range of MK401 is up to 170 dB which makes MK401 the best choice for high intensity and top loudspeaker testing The MP418 is a 1 4 free field prepolarized microphone It was developed based on BSWA s Type 1 microphone technologies MP418 s frequency response meets IEC61672 Class 2 requirements Each microphone is individually calibrated and aged at 80 C for long term stability and reliability MK401 can be used with BSWA MVv201 preamplifier and MC701 Power Supply SPEC A CATIONS CLASS 2 MICROPHONE MP418 SPEQIACATIONS Diameter 7 mm 1 4 CLASS 1 MICROPHONE MK401 Response Free Field Diameter 7mm 1 4 Open Circuit Sensitivity 40 dB 3 dB 10 mV Pa Response Free Field Open Circuit Sensitivity 60 dB 3 dB 1 mV Pa Frequency Response 20 Hz 16 kHz Polarization Voltage 0V Frequency Response 20 Hz 70 kHz Dynamic Range 3 gt 137 dB Polarization Voltage 200 V Distortion Limit I g Dynamic Range 3 J 170 dB Cartridge Thermal lt 36 dBA Distortion Limit Noise Cartridge Thermal lt 45 dBA Capacitance Typical 6 pF Noise Pressure Equalization OVNA Capacitance Typical 6 pF Men Pressure Equalization Front Vented Operating Temperature 0 C 40 C Vent Operating Humidity 0 98 RH Operating Temperature 20 C 80 C Length 8 5 mm Operating Humidity 0 98 RH Dimensions Thread Size M6 x 0 5 Length 8 5 mm Punenslons IEC 61094 4 WS3F
29. ise testing for electrical parts in automotive The XS Series Anechoic Test Box is made from steel sandwich panels with sound absorption material as fillings The internal surface is perforated to provide sound absorption while the external metal panel provides the sound insulation Optional Sonex sound absorption foam can be added to the internal surface to increase the total absorption The Anechoic Test Box is non standard product it requires the understanding of the customers needs BSWA will take the design considerations of power supply cables microphone fixture and operation of the device under test SPEC A CATIONS ACOUSTIC PROPERTIES OF METAL PANEL Frequency Hz 63 125 250 500 1K 2K 4K 8K STC NRC TL dB 27 30 32 41 50 59 67 71 45 Absorption Coefficients 0 94 1 19 1 11 1 06 1 03 1 03 1 04 The Anechoic Text Box is a low cost alternative to the anechoic chamber The correction factors can be determined by comparison of the measurements in the chamber and box The noise reduction of 30 dBA is achievable in normal factory environmental by BSWA metal panels The customer design is available when the higher noise reduction is required BSWA is capable of providing the testing system with the anechoic test box The customized testing system is developed using National Instruments LabView with BSWA hardware 22 VA LAB SOFTWARE OVERVIEW V ALAB is acoustical measurement software developed by BSWA VA Lab ta
30. k analysis such as statistical levels 1 3 octave and levels vs time alin pore HHT eT ofa in noon VA Lab ENV has built in data logger function it can continuous log the overall and spectral data into the memory TL Calenlation Used with MC 3022 and MPA215 microphones VA Lab ENV satisfies IEC 61672 Class H accuracy requirements Test room information Area of samping unor bostian Vokare of receive roomim 3y em eo Main Features of VA Lab ENV Simultaneously measure SPL RMS MAX MIN PEAK LEQ SEL L10 L50 and L90 s ee m i o i M M M M M M M M _cametate rw A C Lin weighting Fast Slow Impulse Continuous Time limited optionally Main Features of VA Lab ARCH Spectral data logger associated time history Quick and easy Reverberation Time measurements according to ISO 3382 1 1 or 1 3 octave Real time display Sound level analysis at user defined intervals Measurement of sound pressure level difference between rooms Long time monitoring of sound pressure levels up to 5 hours Reverberation time corrections P Automatically calculate TL Rw C and Ctr Built in pink noise generator 24 SOUND POWER INTENSI TY MODULES VALab POMER SI Sound Power Module Sound Intensity Module In order to determine the sound power level produced by the noise source one method is measuring the sound pressure level on the measurement surface enveloping a noise source V
31. kes the advantage of computer power and performs all signal analysis within the computer VA Lab supports BSWA Data Acquisition Hardware and Microphones It is affordable and easy to use acoustic measurement software VA Lab is developed based on the international standards and BSWA experiences in acoustics These experiences span from environmental architectural industrial and audio acoustical measurements VA LAB has module design with the special applications according to ISO standard requirements such as Sound Power Sound Insulation and Impedance Measurements The VA Lab function modules include BASIC FFT based signal analysis for vibration and acoustics ENV Sound pressure level and environment noise measurements IMP Two and four microphone methods for absorption and TL measurements in Impedance tube according to ISO10534 SI Sound intensity measurements REV Reverberation time measurements according to ISO3382 TL Sound Insulation measurements for building material according to ISO 140 POWER Sound Power Measurements according to ISO3745 AUDIO Audio testing by using stepped Sweeping frequency sweeping and multi tones VA Lab software works with MC3022 MC3522 MC3242 and NI Compact DAQ hardware The MPA201 microphone is commonly used with the VA Lab systems VA Lab FE VA LAB Project Manager Measurement Setup Calibration FFT Analysis Octave Analysis Application Record Sound Level
32. l 5 kg 29 5 kg including the heights Ne Utell case 10 impacts per second Power supply 110 V or 220 VAC Solid aluminum base for stable operation ae P 415A Reduced machine noise via belt drive a Operating Long lasting industrial drive motor Temperature 10 50 C No metal to metal moving parts resulting Operatin in less wear and smooth operation Humidi j 0 98 RH umidity a A cA Ones STANDARD ITEMS INCLUDED units available TM 002 1 1 Please specify the power plus Principle of Qoeration Power Cable UK USA Japan Germany Australia The TMO002 uses an industrial 25 watt AC Carrying Case 1 motor turning five cams via a belt drive for UE ENEA 1 quiet operation The cams in turn lift the hammers which fall 40 mm to impact the solid and durable base plate at a rate of 5 impacts per second The base is made from 3 16 50 mm solid aluminum making the unit very stable during operation Maintenances Special consideration was given to all the moving parts of the unit No metal to metal contact is allowed Teflon washers and spacers are used to guide the hammers reducing friction wear noise and maintenance 20 SW230 SW260 SW433 SW463 IMPEDANCE TUBES The SW series Impedance Tubes can accurately measure sound absorption coefficients and impedance according to standards described in ISO10534 2 1998 They are based on the Transfer Function Method which is much faster than the commonly used Standing Wave
33. lization Operating Humidity Equivalent Air Volume Temperature Coefficient 0 C 40 C Humidity Coefficient 20 90 RH Pressure Coefficient Dimensions Directional Response of MP215 Microphone 1 2 inch Free field 28 dB 3 dB 40 mV Pa 20 Hz 12 5 kHz OV gt 146 dB lt 25 dB A 13 pF Rear 20 C 80 C 0 98 RH 240 mm at 250 Hz lt 0 6 dB at 250 Hz at reference temperature 23 C lt 0 6 dB at 250 Hz at temperature 40 C and reference 50 RH 85 kPa 108 kPa SPL change lt 0 6 dB at 250 Hz at reference pressure 101 kPa 65 kPa 85 kPa SPL change lt 1 2 dB at 250 Hz IEC 61094 4 Type WS 2 f 10KAz V2 LON COST MICROPHONE CAPSULE CLASS 2 The MP216 is a 1 2 prepolarized free field condenser microphone Developed specifically as an extremely low cost general purpose microphone it delivers Class 2 measurement accuracy MP216 uses a polymer diaphragm and stainless steel housing making it well suited for use indoors and in controlled environments These materials and associated manufacturing significantly reduce its cost but also limit its ability to meet Class 2 temperature and pressure coefficients The overall stability and reliability within a constant environment however 1s maintained and ensured through testing of each microphone The MP216 protection grid is irremovable and the calibration of the microphone is performed in the anechoic chamb
34. ng the volume velocity radiated from the outlet Power Handling Frequency Range Sound Power Level Connector Loudspeaker Unit Tube Diameter Tube Length Weight Carrying Case Dimensions 100 W continuous 200 Hz 10000 kHz 120 dB Pink Noise Audio Connector Compassion Diver 30 mm 3m 5 Kg 420 x 420 x 320 mm al 130 120 110 df 100 fa 90 fry aL TU BU 2i 100 1000 1000h ZU000 Frequency Hz Frequency Response of VSS210 Measured at 5 cm from Outlet in the Anechoic Chamber SPEC A CATIONS VOLUME SOURCE VSS210 Standards NONE Nominal Impedance 8 QO l T ii a i i Tie j i it a ae E HAND i om ry 19 TAPPING MACH NE TM002 SPEC ACATIONS TAPPING MACHINE TM 002 ISO140 BS5821 GBJ7 5 84 Pranger ASTM492 EN 20140 Five in line 100 mm between Hammers each hammer single hammer weight 500 2 5 Each hammer operates at 2Hz Impact Frequency tapping frequency for unit is The TMO02 Tapping Machine is a rugged 10 0 3Hz Equivalent free fall height of hammers 40 mm 220 V 50 Hz AC Main Or 110 V self contained sound source for making Impact Forces footfall noise measurements to the latest international standards ISO140 EN 20140 60 Hz AC Mai ASTM E492 GB J75 84 etc Boty P Rating Power 25 W Features Dimensions 465 x245 x280 mm Ergonomic case for ease transportation Carrying Case 555 x 310 x 400mm Five 500 g hammers with 40 mm falling 225 k i i
35. ophones for measuring sound pressures along the absorption and transmission loss testing une SPEC A CATIONS IMPEDANCE TUBE SW230 SW260 SW433 SW463 Model SW230 SW260 SW433 SW463 Sound Absorption Coefficient a Value to be Measured Sound Absorption Coefficient a j ia EE Transmission Loss TL Standard GB T 18696 2 2002 IS010534 2 1998 Standard in Discussion 125 Hz 3150 Hz a 125 Hz 6300 Hz 4 Frequency Range 125 HZ 3150 HZ 125 Hz 6300 Hz 125 Hz 3150 Hz TL 125 Hz 3150 Hz TL Loud speaker 4 in diameter 20 Watts 8 Ohm Inner Diameter of a SDENT Da n 60 mm 60 mm Absorption Testing Tub i esting ube 30 mm for high 60 mm for TL frequency Weight 8 kg 10 kg 11 kg 13 kg OPTIONAL ITEMS PROVIDED BY BSWA 1 4 Microphone MPA416 Data Acquisition Card MC3022 or MC3522 MC3242 Power Amplifier PASO Software VA Lab2 Basic VA Lab2 IMP VA Lab4 Basic VA Lab4 IMP 21 ANECHOCTEST BOX XS Series Bswa Anechoic Test Box is designed for acoustic measurements in the noisy environments The functions of the anechoic test box are Providing a free field condition for measurements Effectively isolating the environmental noise BSWA has a number of years of experiences in designing and building the box for various industries The main applications are Mobile phone acoustic testing in production lines Audio components testing for quality control Noise level measurements for computer parts No
36. phone 20 Hz 100 kHz lt 0 5 dB gt 5 GO lt 1100 A weighting lt 2 0 uV 20 Hz 20 kHz lt 6 0 uV 3 5 Vrms ICP 2 20 mA 20 C 80 C 0 98 RH 71 mm BNC 11 7 mm x 60 UNS 20 Hz 100 kHz lt 0 5 dB gt 1 5 GQ lt 1100 A weighting lt 2 5 uV 20 Hz 20 kHz lt 8 0 uV 3 5 Vrms ICP 2 20 mA 20 C 80 C 0 98 RH 58 mm SMB 5 7 mm x 60 UNS 5 Hz 200 kHz lt 0 5 dB gt 20 GQ lt 55 O A weighting lt 3 0 uV 20 Hz 20 kHz lt 6 0 pV 10 Vrms 28 V 120 V 20 C 80 C 0 98 RH 71mm 7 pin LEMO 11 7 mm x 60 UNS 12 ICP TEDS MICROPHONES Bswa ICP microphones MPA201 215 216 utilize the outstanding performance of BSWA s MA211 ICP preamplifier coupled with the high quality line of 1 2 prepolarized microphones MPA207 205 206 amp MPA261 265 266 TEDS MPA215 MPA215 provides excellent value with good environmental stability and phase matching ability It is the best choice where a large number of microphones require Class 2 accuracy MPA216 MPA216 is BSWA s extremely low cost solution while still delivering accurate acoustic measurements The MPA206 is recommended for indoor uses where temperature and humidity are relatively stable over the measurement time Using ICP microphones have many advantages period over traditional 200V polarized microphones TEDS Microphones ICP microphones are lower cost They are able to use long cabl
37. r weighting Tavs Elma Residual Index of Intensity and pressure Main Features of VA Lab Power Support user defined microphone sensitivity microphones distance and test integrated time 10 Channel Sound pressure level measurements simultaneously Sound Power Level calculation based on ISO3745 with environmental corrections Sound power level vs time display time average of power level Sound power levels display at 1 1 or 1 3 Octaves 25 IMPEDANCE TUBE MODULE VAL AB IMP ve Bethod Transfer function V ALAB IMP is the software module for ale _ Connon yaa impedance tube measurements It supports sound absorption and sound insulation measurements in BSWA SW series impedance tubes The software i lia works with BSWA MC3522 and MC3242 eg a ae oe i hardware for data acquisition and analysis pore Canes te Distance to Sample from the nearest Mic m VA Lab IMP supports two methods to measure Environment the absorption coefficients of material Toniperanacted 20 Atmospheric Pressure Pa 101325 Method using Standing Wave _ Ratio ISO10534 1 velocity of Sound m s 343 2 Density of Airfkq m 3y 1 186 Transfer Function Method ISO10534 2 a cl a aL 407 035 The Standing Wave Ratio SWR is a traditional method which needs to generate a standing wave in the impedance tube VA Lab can calculate the absorption coefficients by capturing the maximum and minimum value of the sound pr
38. rectly to other equipment or data acquisition systems with BNC connectors To reduce line noise and increase portability the MC102 is battery powered and includes a built in low battery indicator MC104 MC104 is a 4 channel microphone conditioning It can supply 4 0 mA current to ICP microphones and other ICP sensors Each channel has a gain of x0 1 xl and x10 MC104 can be powered by 110 220 V AC SPEC H CATIONS ICP POWER SUPPLY MC102 MC104 MC104 Model MC102 Number of Channels 2 Constant Current 4 0 mA Battery 1x 9 V PP3 Gain Input Connector BNC Output Connector BNC Battery Life gt 4 hrs Dimensions 113 x 70 x 45 mm MC102 MC104 MC701 MCA1 MC701 microphone conditioning can supply microphone with 200V polarization voltage The input of MC701 is 7 Pin LEMO while the output is BNC connector The MC701 has selection of polarization voltage of 0 28 and 200 V It can be used with MV201 preamplifier and BSWA MP and MK series microphones The gain of MC701 can be adjusted to 20 dB 0 dB and 20 dB and the frequency range is between 5 Hz and 200 kHz MC701 can be powered by 110 220 VAC and is suitable for laboratory use SPECI A CATIONS Number of Channels 1 Polarization Voltage 220 V 28 V O V Power Supply 220 V 110 V AC Frequency Range 5 Hz 200 kHz Gain 20 dB O dB 20 dB Input Connector 7 Pin LEMO Output Connector BNC Dimensions 200x100x150 mm 4 4 0 mA 220 V 110 V AC x0 1 x1
39. s Humidity Coefficient lt 0 8dB at 1000Hz at temperature 30 C The main applications of MPA416 may include and reference 50 RH Operating Temperature n Microphone array Range 10 C 50 C General acoustical measurements at controlled Polarization Voltage OV environments in rooms or laboratories MPA416 consists of an electret condenser microphone cartridge and ICP preamplifier irremovable Before factory release all the microphones are going through solid environmental testing which includes high temperature ageing and high humidity ageing It is stable microphone for accuracy acoustical measurements MPAA466 The MPA466 is the TEDS version of 1 4 l gt te prepolarized free field measurement microphone which has the information of microphone model serial number sensitivity reference frequency calibration date and other information to facilitate Typical Frequency Response of MPA416 MPA466 plug and play and reduce the setup time of the testing system ICP SOUNDINTENSITY PROBE The SI502 Sound Intensity Probe is built using CP type preamplifiers It complies with IEC 1043 Class 2 Standard Based on the technique of simultaneous determination of sound pressure and particle velocity by two closely spaced microphones SI502 can be directly connected to ICP
40. se cedutonteeras siete 22 Measurement Software VA Lab VA Lab Software OVErvVieW ccccec cece eee eeeeeeeeeeeeeeneneeeenees 23 Architectural and Environmental Modules cccee eee 24 sound Power and Sound Intensity Modules 006 25 Impendance Tube Module cc cece cece cece cece eee eeeeees 26 Audio Analyzer MOdule ccccc cece ee eee eeeseeeeeeeeesnaaees 2 PC COS SONOS arrose ewes ec eee eieeenceetes 28 1V2 FREEHEDMICROPHONECAPSULE CLASS 1 The MP201 microphone is the best choice for use in IEC61672 Class 1 Sound Level Meters and other noise measurements requiring Class 1 accuracy It is a 1 2 prepolarized free field measurement microphone whose development spans over 30 years in design manufacture calibration and field testing Handcrafted to exacting standards along with rigorous testing ensure its high quality reliability and extreme stability in all kinds of environments Its incredible performance stems from its nickel alloy diaphragm using BSWA s diaphragm coating technology The microphone housing is also made from the same nickel alloy to ensure the smallest temperature coefficients Production quality control for the MP201 uses only 40 of the frequency response tolerances allowed by IEC61672 Class 1 microphones Figure below shows the typical free field frequency response curve of the MP201 black curve against quality control l
41. sponse Difference Ref 250 Hz Equivalent Air Volume Temperature Coefficient 10 50 C Humidity Coefficient Pressure Coefficient 250 Hz Dimensions Preamplifier IEC 1043 Class 2 8 5 mm Spacer 250 Hz 5000 Hz 12 mm Spacer 160 Hz 5000 Hz 50 mm Spacer 63 Hz 1250 Hz 0 4 Kg Three pin Lemo in the Probe 5 m cable with Lemo to 2 BNC connectors 400 x 200 x 70 mm MICROPHONE PAIRS Selected Type 1 MP201 for intensity microphone pair 1 2 inch Free Field 45 mV Pa lt 0 3 45 Hz 500 Hz lt 1 500 Hz 2500 Hz lt 2 2500 Hz 6000 Hz lt 0 5 dB 45 Hz 6000 Hz 250 mm at 250 Hz 0 005 dB C 0 003 dB RH 0 004 dB kPa IEC61094 4 Type WS 2 BSWA Type MA211 preamplifier 10 STUDIOMICROPHONES SM4001 SIV4005 SM4006 The SM4000 series phantom powered studio microphones are for precision recording and measurement of sound with no color added They can be used to record essentially any instrument for a truly accurate representation of the original sound Each SM4000 microphone is supplied with its individual calibration data for frequency response and sensitivity Its modular design allows the preamplifier to be used with any of the high quality BSWA microphone capsules SM4001 microphone is top of the line It is suitable for the most critical recording applications requiring extreme performance and environmental stability Its nickel alloy construction ensures durability
42. t suitable for use with any standard prepolarized 1 4 microphone MV201 ied The MV201 is 1 2 traditional preamplifier with an integrated 3 meter cable terminating in 7 pin LEMO connector MV201 can deliver 200V for externally polarized microphones It is suitable The MA211 is 1 2 ICP preamplifier specially designed for BSWA 1 2 prepolarized microphones It is high performance preamplifier with low inherent noise and high input impedance Its flat frequency response ensures high quality acoustic measurements that comply with IEC 61672 Class 1 requirements Compared with traditional microphone preamplifiers ICP types are lower in cost easy to use and able to connect directly to any ICP input channels and transmit signals over long cable lengths up to 500 m Coupling the MA211 with BSWA MP201 microphone an incredible dynamic range of 15 dBA to 130 dBA can be achieved If coupled with a lower sensitivity microphone an upper range even greater than 130 dBA can be ACNEE for accurate measurement of high sound intensity It can be powered by BSWA MC701 SPEQIACATIONS microphone power supply Models MA211 MA408 MV201 Diameter 1 2 inch 1 4 inch 1 2 inch Frequency Response Ref 250 Hz 0 2 dB Attenuation 10 Hz 100 kHz Input Impedance Output Impedance Electrical Noise Max Output Voltage Power Requirement Operating Temperature Operating Humidity Length Output Connector Thread for Micro
43. ting on the diaphragm of the microphone It can be used in a coupler environment such as an ear simulator or to test the sound pressure on a surface The MP251 and MP253 are 1 2 pressure field microphones and designed to make the measurement in an ear simulator a coupler or the sound pressure on a surface SPECIACATIONS MICROPOHONES MP251 MP253 Models MP251 MP253 Diameter 1 2 inch 1 2 inch Sound Field Pressure field Pressure field Open Circuit Sensitivity Frequency Response Polarization Voltage Dynamic Range 3 Distortion Limit Cartridge Thermal Noise Capacitance Typical Pressure Equalization Vent Operating Temperature Operating Humidity Equivalent Air Volume Temperature Coefficient 10 C 50 C Humidity Coefficient Pressure Coefficient 250 Hz Dimensions 40 dB 2 dB 10 mV Pa 20 Hz 20 kHz OV gt 146 dB lt 25 dBA 16 pF Rear Vented 30 C 80 C 0 98 RH 250 mm at 250 Hz 0 008 dB C 0 006 dB RH 0 005 dB kPa IEC 61094 4 Type WS 2P 26 dB 2 dB 50 mV Pa 20 Hz 10 kHz OV gt 146 dB lt 25 dBA 16 pF Rear Vented 30 C 80 C 0 98 RH 250 mm at 250 Hz 0 008 dB C 0 006 dB RH 0 005 dB kPa IEC 61094 4 Type WS 2P MICROPHONE PREAMPLI A ERS MA2TI MA408 MV201 MAA408 _ _ The MA408 is 1 4 preamplifier using SMB connector for the output while the threads for the microphone comply with the IEC61094 4 WSF3 standard This makes i
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