B&K 2250 Light Manual do Utilizador

TechnicalDocumentationHEADQUARTERS: DK-2850 Nærum · Denmark · Telephone: +45 4580 0500 · Fax: +4545801405 · www.bksv.com · [email protected] (+61

CHAPTER 1Introduction5Table 1.1Components in-cluded with Type 2250QuantityBrüel & Kjær Type/Part NumberDescription1 Type 4189 Prepolarized Free-fi

APPENDIX ATables95Table A.39 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), with Wind-screen UA 1650 fitted a

Hand-held Analyzer Type 2250 –Instruction Manual96Table A.40 Sensitivity variations of Hand-held Analyzer Type 2250 (including Microphone Type 4189)

APPENDIX ATables97Table A.41 Influence of Outdoor Microphone Kit UA 1404 on the directional response of Microphone Type 4189only, with Outdoor Microph

Hand-held Analyzer Type 2250 –Instruction Manual98Table A.42 Influence of Outdoor Microphone Kit UA 1404 on the directional response of Microphone Typ

APPENDIX ATables99Table A.43 Influence of Outdoor Microphone Kit UA 1404 on the directional response of Microphone Type 4189only, with Outdoor Microph

Hand-held Analyzer Type 2250 –Instruction Manual100Table A.44 Directional response for Microphone Type 4189 only, with Outdoor Microphone Kit UA 1404

APPENDIX ATables101Table A.45 Directional response for Microphone Type 4189 only, with Outdoor Microphone Kit UA 1404 fitted,4000 Hz – 10600 Hz.Freque

Hand-held Analyzer Type 2250 –Instruction Manual102Table A.46 Directional response for Microphone Type 4189 only, with Outdoor Microphone Kit UA 1404

APPENDIX ATables103Table A.47 Sensitivity variations of Microphone Type 4189 only and Outdoor Microphone Kit UA 1404 fitted, atsound incidence angles

Hand-held Analyzer Type 2250 –Instruction Manual104BE171211.book Page 104 Thursday, May 27, 2004 1:01 PM

Hand-held Analyzer Type 2250 –Instruction Manual6BE171211.book Page 6 Thursday, May 27, 2004 1:01 PM

105Appendix BCross-references to StandardsB.1 IntroductionThis chapter provides cross-references between specific paragraphs in the standards that req

Hand-held Analyzer Type 2250 –Instruction Manual106IEC 60651StandardParagraphSectionThis Manual’sSectionUser ManualBE 1713-113.6 4.53.7 4.43.8 4.43.9

APPENDIX BCross-references to Standards107IEC 60804StandardParagraphSectionThis Manual’sSectionUser ManualBE 1713-113.7 4.43.11 4.5, 4.6.6, 4.23.12 4.

Hand-held Analyzer Type 2250 –Instruction Manual108IEC 61260StandardParagraphSectionThis Manual’sSectionUser ManualBE 1713-113.13 4.113.18 4.43.19 4.4

APPENDIX BCross-references to Standards109IEC 61672-1StandardParagraphSectionThis Manual’sSectionUser ManualBE 1713-115.1.4 25.1.5 4.25.1.6 4.5 2 - 8,

Hand-held Analyzer Type 2250 –Instruction Manual1109.2.4 c) 59.2.4 d) 4.6.49.2.5 a) 4.59.2.5 b) 2, Appendix A9.2.5 c) 4.99.2.5 d) 2.29.2.5 e) 4.169.2.

APPENDIX BCross-references to Standards111B.3 Irrelevant TopicsThis section provides a list of the cross-references to topics that are not provided in

Hand-held Analyzer Type 2250 –Instruction Manual112BE171211.book Page 112 Thursday, May 27, 2004 1:01 PM

113IndexNumerics1/1-Octave-band Centre Frequencies... 451/3 Octave-band Cente Frequencies ... 461/3 O

Hand-held Analyzer Type 2250 –Instruction Manual114Influence from the Operating Environment...47Input Socket...

7Chapter 2Measured Quantities and Parameters2.1 IntroductionThis chapter contains detailed information on the measured quantities and parameters that

INDEX115Testing 1/1 Octave-band and 1/3 Octave-band Filters . 16Testing EMC According to IEC 60804 ... 17Testing Immunity Accor

Hand-held Analyzer Type 2250 –Instruction Manual116BE171211.book Page 116 Thursday, May 27, 2004 1:01 PM

TechnicalDocumentationHEADQUARTERS: DK-2850 Nærum · Denmark · Telephone: +454580 0500 · Fax: +454580 1405 · www.bksv.com · [email protected] (+61

Hand-held Analyzer Type 2250 –Instruction Manual82.3 Measuring at Low Static PressureThe frequency response of the microphone depends on the static pr

CHAPTER 2Measured Quantities and Parameters9• x is A for A-weighted, C for C-weighted or Z for Z-weighted• y is F for Fast-weighted or S for Slow-weig

Hand-held Analyzer Type 2250 –Instruction Manual10• τ is the exponential time constant in seconds for time weighting F or S• ξ is a dummy variable of

CHAPTER 2Measured Quantities and Parameters11• ∆t is the display update interval, equal to 1 secondThe sound pressure level is, in other words, update

Hand-held Analyzer Type 2250 –Instruction Manual12• y is F for Fast-weighted, S for Slow-weighted or I for Impulse-weighted• T is the start time of th

CHAPTER 2Measured Quantities and Parameters13The symbols used on the screen of Type 2250 for equivalent continuous I-weighted sound levels are(for A,

Hand-held Analyzer Type 2250 –Instruction Manual14BE171211.book Page 14 Thursday, May 27, 2004 1:01 PM

BE 1712−11May 2004Hand-held Analyzer Type 2250with 2250 Sound Level Meter Software BZ 7222and2250 Frequency Analysis Software BZ 7223From Serial Numbe

15Chapter 3Conformance Testing3.1 IntroductionThis chapter contains the information needed to conduct conformance testing according to the specifiedst

Hand-held Analyzer Type 2250 –Instruction Manual163.5 Testing 1/1-octave-band and 1/3-octave-band FiltersWhen testing the octave-band filter sets acco

CHAPTER 3Conformance Testing17Fig.3.2Reference orientation of Type 2250 relative to the RF-emitter/receiver3.6.3 Securing of Microphone Cables during

Hand-held Analyzer Type 2250 –Instruction Manual184) Start the measurement and let it run during test.Immunity as Sound Level MeterThe highest Suscept

19Chapter 4Specifications4.1 SpecificationsSpecifications are given for the configuration detailed in Chapter 1.Unless specifically noted, specificati

Hand-held Analyzer Type 2250 –Instruction Manual204.4 Reference Conditions for Acoustic CalibrationReference range: Only one range exists and this is

CHAPTER 4Specifications21Fig.4.1 Electrical frequency response of Hand-held Analyzer Type 2250 with the Microphone Type parameter setto ‘Unknown’ (in

Hand-held Analyzer Type 2250 –Instruction Manual224.6.3 Low-frequency ResponsesFig.4.3 Low-frequency response of Hand-held Analyzer Type 2250 (includi

CHAPTER 4Specifications23Fig.4.5 Influence of Hand-held Analyzer body on free-field response for Hand-held Analyzer Type 2250 (includingMicrophone Typ

Hand-held Analyzer Type 2250 –Instruction Manual24Fig.4.8 Free-field frequency response of Hand-held Analyzer Type 2250 (including Microphone Type 418

TrademarksMicrosoft and Windows are registered trademarks of Microsoft Corporation in the United States and/or other coun-tries.Pentium is a registere

CHAPTER 4Specifications25Fig.4.10 Diffuse-field frequency response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), orMicrophone Typ

Hand-held Analyzer Type 2250 –Instruction Manual264.6.6 Free-field Frequency Responses for Diffuse-field Calibrated InstrumentsAccording to IEC 60651

CHAPTER 4Specifications27Fig.4.13 Directional response for Microphone Type 4189 only. See Table A.10 to Table A.12. -25-20-15-10-505dB0°30°60°90°120°1

Hand-held Analyzer Type 2250 –Instruction Manual28Fig.4.14 Sensitivity variations of Microphone Type 4189 (only) at sound incidence angles within ±θ°

CHAPTER 4Specifications29Fig.4.15 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) measured in aplane parallel t

Hand-held Analyzer Type 2250 –Instruction Manual30Fig.4.16 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) meas

CHAPTER 4Specifications31Fig.4.17 Sensitivity variations of Hand-held Analyzer Type 2250 (including Microphone Type 4189) at soundincidence angles wi

Hand-held Analyzer Type 2250 –Instruction Manual32Fig.4.18 Directional response for Microphone Type 4189 only, with Windscreen UA 1650 fitted, see Tab

CHAPTER 4Specifications33Fig.4.19 Sensitivity variations of Microphone Type 4189 only, with Windscreen UA 1650 fitted, at sound incidenceangles withi

Hand-held Analyzer Type 2250 –Instruction Manual34Fig.4.20 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), wit

Table of ContentsCHAPTER 1Introduction...

CHAPTER 4Specifications35Fig.4.21 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), withWindscreen UA 1650 fitte

Hand-held Analyzer Type 2250 –Instruction Manual36Fig.4.22 Sensitivity variations of Hand-held Analyzer Type 2250 (including Microphone Type 4189) and

CHAPTER 4Specifications37Fig.4.23 Directional response for Microphone Type 4189 only, with Outdoor Microphone Kit UA 1404 fitted, seeTable A.44 to Tab

Hand-held Analyzer Type 2250 –Instruction Manual38Fig.4.24 Sensitivity variations of Microphone Type 4189 only and Outdoor Microphone Kit UA 1404 fitt

CHAPTER 4Specifications394.8 Self-generated NoiseSelf-generated noise is given for nominal microphone Open Circuit Sensitivity.4.8.1 Maximum Broadband

Hand-held Analyzer Type 2250 –Instruction Manual40Fig.4.25 Typical self-generated noise, 1/1-octave bandFig.4.26 Typical self-generated noise, 1/3-oct

CHAPTER 4Specifications414.9 Measuring RangeNote: Type 2250 has a single measuring range. The instrument, therefore, has no measuring range (orlevel r

Hand-held Analyzer Type 2250 –Instruction Manual424.9.4 Indicator RangeIndicator Range according to the International Standard IEC 60804:4.9.5 Lineari

CHAPTER 4Specifications434.9.8 Peak C RangePeak C Range according to the International Standard IEC 61672-1 is: 143 – 31.3 dB4.10 DetectorsDisplay-upd

Hand-held Analyzer Type 2250 –Instruction Manual44Response to tone bursts for exponential averaging detectors according to IEC 60651 and DIN 45657:Not

APPENDIX BCross-references to Standards... 105B.1

CHAPTER 4Specifications454.11 Spectrum AnalysisNote: Spectrum analysis requires Frequency Analysis Software BZ 7223.Analytical filter design: Optimise

Hand-held Analyzer Type 2250 –Instruction Manual464.11.2 1/3-Octave band Cente FrequenciesNominal: 6.3 Hz1, 8.0 Hz1, 10 Hz1, 12.5 Hz, 16 Hz, 20 Hz, 25

CHAPTER 4Specifications47Below the Lower Limit, the Level Linearity Error is less than or equal to the error found in Fig.2.1with Linh set to the Lowe

Hand-held Analyzer Type 2250 –Instruction Manual484.12.1 Environmental Stabilisation TimeTypical stabilisation time after change in environmental cond

CHAPTER 4Specifications494.13 Electrical Input to Connector Panel of Type 22504.13.1 Input Socket (Rear Socket)Triaxial Lemo socket used for Direct in

Hand-held Analyzer Type 2250 –Instruction Manual504.15 Power Supply4.15.1 External Power to InstrumentSupply Voltage: 8 – 24 V DC, ripple voltage <

CHAPTER 4Specifications514.18 CE-mark and C-Tick mark Compliance CE-mark indicates compliance with the EMC Directive and Low Voltage Directive. C-Tick

Hand-held Analyzer Type 2250 –Instruction Manual52BE171211.book Page 52 Thursday, May 27, 2004 1:01 PM

53Appendix ATablesA.1 Electrical Frequency Responses Table A.1 Electrical frequency response with the Microphone Type parameter set to ‘Unknown’ (in t

Hand-held Analyzer Type 2250 –Instruction Manual541600 1584.89 0.98 –0.09 0.00 0.00 0.00 0.001700 1678.80 1.05 –0.10 0.00 0.00 0.00 0.001800 1778.28 1

1Chapter 1Introduction1.1 About This ManualThis Instruction Manual for Hand-held Analyzer Type 2250, together with User Manual BE 1713, havebeen creat

APPENDIX ATables55A.2 Free-field Frequency ResponsesFrequency responses for plane progressive sinusoidal sound waves incident from the reference direc

Hand-held Analyzer Type 2250 –Instruction Manual56Nominal Exact (6 digits) Micr. Actuator Micr. FF Electrical Acoustical ExpandedFrequency Frequency

APPENDIX ATables57Table A.3 Free-field frequency response of Hand-held Analyzer Type 2250 (including Microphone Type 4189) andsound field at 0° angle

Hand-held Analyzer Type 2250 –Instruction Manual58Nominal Exact Acoustical Expanded Body Expanded Acoustical ExpandedFrequency Frequency Response Unce

APPENDIX ATables59Nominal Exact Microphone Expanded Influence of Expanded Electrical Acoustical ExpandedFrequency Frequency Free-field Uncertainty Wi

Hand-held Analyzer Type 2250 –Instruction Manual60Nominal Exact Acoustical Expanded 2250 Body Expanded Acoustical ExpandedFrequency Frequency Response

APPENDIX ATables61Nominal Exact Microphone Expanded Influence of Expanded Electrical Acoustical ExpandedFrequency Frequency Free-field Uncertainty Wi

Hand-held Analyzer Type 2250 –Instruction Manual62A.3 Diffuse-field Frequency ResponsesDiffuse-field frequency responses with Z-frequency-weighting: T

APPENDIX ATables63Nominal Exact Actuator Micr. FF Micr. DF Electrical Reference Acoustical ExpandedFrequency Frequency Response Correction Correction

Hand-held Analyzer Type 2250 –Instruction Manual64Nominal Exact Microphone Expanded Influence of Expanded Electrical Acoustical ExpandedFrequency Fre

Hand-held Analyzer Type 2250 –Instruction Manual21.2 System Overview1.2.1 IntroductionThis Instruction Manual describes the Type 2250 Hand-held Analyz

APPENDIX ATables65Nominal Exact Typical 4189 Expanded Influence of Expanded Electrical Acoustical ExpandedFrequency Frequency Response Uncertainty Wi

Hand-held Analyzer Type 2250 –Instruction Manual66A.4 Directional ResponsesDirectional responses, including sensitivity variations of equipment at var

APPENDIX ATables67Table A.11 Directional response for Microphone Type 4189 only, 4000 Hz – 10600 Hz.FrequencyAngle 4000 Hz 4500 Hz 5000 Hz 5600 Hz 630

Hand-held Analyzer Type 2250 –Instruction Manual68Table A.12 Directional response for Microphone Type 4189 only, 11200 Hz – 20000 Hz.FrequencyAngle 11

APPENDIX ATables69Table A.13 Sensitivity variations of Microphone Type 4189 (only) at sound incidence angles within ±θ° from thereference direction.–

Hand-held Analyzer Type 2250 –Instruction Manual70Table A.14 Influence of Hand-held Analyzer body on directional response for Hand-held Analyzer Type

APPENDIX ATables71Table A.15 Influence of Hand-held Analyzer body on directional response for Hand-held Analyzer Type 2250 (includ-ing Microphone Type

Hand-held Analyzer Type 2250 –Instruction Manual72Table A.16 Influence of Hand-held Analyzer body on directional response for Hand-held Analyzer Type

APPENDIX ATables73Table A.17 Influence of Hand-held Analyzer body on directional response for Hand-held Analyzer Type 2250 (in-cluding Microphone Type

Hand-held Analyzer Type 2250 –Instruction Manual74Table A.18 Influence of Hand-held Analyzer body on directional response for Hand-held Analyzer Type

CHAPTER 1Introduction31.3 Hardware SetupThis section provides an overview of the hardware components used with Type 2250 Hand-held Ana-lyzer, to fulfi

APPENDIX ATables75Table A.19 Influence of Hand-held Analyzer body on directional response for Hand-held Analyzer Type 2250 (in-cluding Microphone Type

Hand-held Analyzer Type 2250 –Instruction Manual76Table A.20 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) me

APPENDIX ATables77Table A.21 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) measured ina plane parallel to the

Hand-held Analyzer Type 2250 –Instruction Manual78Table A.22 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) me

APPENDIX ATables79Table A.23 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) measured ina plane parallel to the

Hand-held Analyzer Type 2250 –Instruction Manual80Table A.24 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) me

APPENDIX ATables81Table A.25 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189) measured ina plane parallel to the

Hand-held Analyzer Type 2250 –Instruction Manual82Table A.26 Sensitivity variations of Hand-held Analyzer Type 2250 (including Microphone Type 4189)

APPENDIX ATables83Table A.27 Influence of Windscreen UA 1650 on directional response of Hand-held Analyzer Type 2250 (includingMicrophone Type 4189),

Hand-held Analyzer Type 2250 –Instruction Manual84Table A.28 Influence of Windscreen UA 1650 on directional response of Hand-held Analyzer Type 2250 (

Hand-held Analyzer Type 2250 –Instruction Manual4Fig.1.1 Hardware Overview UA1317MicrophoneHolderUA0801Small Tripod(or UA 0587)Sound Level Calibr

APPENDIX ATables85Table A.29 Influence of Windscreen UA 1650 on directional response of Hand-held Analyzer Type 2250 (includingMicrophone Type 4189),

Hand-held Analyzer Type 2250 –Instruction Manual86Table A.30 Directional response for Microphone Type 4189 only, with Windscreen UA 1650 fitted, 500 H

APPENDIX ATables87Table A.31 Directional response for Microphone Type 4189 only, with Windscreen UA1650 fitted, 4000 Hz – 10600 Hz.FrequencyAngle 4000

Hand-held Analyzer Type 2250 –Instruction Manual88Table A.32 Directional response for Microphone Type 4189 only, with Windscreen UA1650 fitted, 11200H

APPENDIX ATables89Table A.33 Sensitivity variations of Microphone Type 4189 only, with Windscreen UA 1650 fitted, at sound inci-dence angles within ±

Hand-held Analyzer Type 2250 –Instruction Manual90Table A.34 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), w

APPENDIX ATables91Table A.35 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), with Wind-screen UA 1650 fitted a

Hand-held Analyzer Type 2250 –Instruction Manual92Table A.36 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), w

APPENDIX ATables93Table A.37 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), with Wind-screen UA 1650 fitted a

Hand-held Analyzer Type 2250 –Instruction Manual94Table A.38 Directional response for Hand-held Analyzer Type 2250 (including Microphone Type 4189), w