January 2012
DIGITAL SOUND ANALYZER
DSA-50
Instruction Manual
P.P.U.H. "SONOPAN" sp. z o.o.
ul. Ciolkowskiego 2/2
PL-15950 Bialystok, Poland Phone./fax +48 85 742 3662
http://www.sonopan.com.pl
Page 1: ...January 2012 DIGITAL SOUND ANALYZER DSA 50 Instruction Manual P P U H SONOPAN sp z o o ul Ciolkowskiego 2 2 PL 15950 Bialystok Poland Phone fax 48 85 742 3662 http www sonopan com pl...
Page 2: ...ment settings 23 2 4 Preparation of the instrument to operation 23 3 OPERATION 24 3 1 Instrument data plate 24 3 2 SETUP menu 24 3 3 RESULTS menu 26 3 3 1 SLM mode 26 3 3 2 1 1 octave analyzer 28 3 3...
Page 3: ...3 Appendix A Filter characteristics 41 Appendix B Directional responses 45 Appendix C Sensitivity to vibration 48...
Page 4: ...e can be measured by this Class 1 digital signal processing instrument DSA 50 is designed to be capable to perform long lasting measurements without need of battery recharging Internal battery allows...
Page 5: ...e This set enables to convert WK 21 microphone into WK 21WP weatherproof microphone It consists of weatherproof version of microphone protecting grid model SM rain cover model OK windscreen with anti...
Page 6: ...6 Fig 1 4 Assembling of weatherproof accessories step 3 7 Fig 1 5 Assembling of weatherproof accessories step 4 Fig 1 6 Completely assembled weatherproof microphone WK 21WP 1 3 System configuration B...
Page 7: ...second If A frequency weighting is one of two selected weightings then following quantities are measured additionally for this weighting LAE sound exposure level LAEX T noise exposure level referred t...
Page 8: ...1 5 Specifications DSA 50 digital sound analyzer conforms to requirements of following standards EN 61672 1 2002 Electroacoustics Sound level meters Part 1 Specifications EN 61260 1995 A1 2001 Electr...
Page 9: ...resolution or infinite Serial communication interface USB 1 1 Dimensions without microphone 237 x 84 x 50 mm Power supply internal battery NiMH 6V 2 1Ah external power supply Mascot 5014 9V 350mA Min...
Page 10: ...U dB 0 39 0 48 f Hz 16000 17000 18000 19000 20000 dL dB 7 67 8 09 8 47 8 77 9 12 U dB 0 48 0 00 1 00 2 00 3 00 4 00 5 00 6 00 7 00 8 00 9 00 10 00 100 1000 10000 100000 f Hz dL dB Fig 1 7 Free field...
Page 11: ...hone 1 5 1 Specifications for SLM mode Frequency weightings A C Z AC electrical output sine 1000 Hz weighted frequency response A Z FSD output voltage for level range 14Vp p maximum output voltage 22V...
Page 12: ...55 135dB 55 135dB 55 133 2dB 55 135dB 8kHz Level range A C Z 15 95dB 18 95dB 25 93 1dB 29 95dB 35 115dB 35 115dB 35 113 1dB 35 115dB 55 135dB 55 135dB 55 133 2dB 55 135dB 12 5kHz Level range A C Z 15...
Page 13: ...15dB 65 135dB 65 135dB 65 135dB 65 135dB Extents of measurement range at specified octave bands and at most sensitive level range 5 75dB for time weighted sound level L and time average sound level Le...
Page 14: ...B 12 0dB 13 0dB 8kHz 13 0dB 11 0dB 14 0dB power sum of all octave bands 16 0dB 20 0dB 22 0dB 1 5 3 1 3 octave analyzer mode Frequency weightings A C Z AC electrical output sine 1000 Hz weighted freque...
Page 15: ...2 75dB 3 15kHz 11 75dB 10 75dB 12 75dB 4kHz 11 75dB 10 75dB 12 75dB 5kHz 11 75dB 10 75dB 12 75dB 6 3kHz 10 75dB 9 75dB 12 75dB 8kHz 9 75dB 9 75dB 12 75dB 10kHz 8 75dB 9 75dB 12 75dB 12 5kHz 6 75dB 7 7...
Page 16: ...16kHz not measurable not measurable 2 0dB power sum for all 1 3 octave bands 8 0dB 9 0dB 11 0dB measured with WK 21 microphone installed Frequency A C Z 25Hz not measurable 17 0dB 22 0dB 31 5Hz not m...
Page 17: ...uency weighting for time weighted sound level L and time average sound level Leq Level range G 25 105dB TBD 45 125dB TBD 65 145dB TBD Extents of measurement range for LPk peak sound level Level range...
Page 18: ...ries Installation of additional equipment does not deteriorate accuracy class of the instrument however some influence of this equipment on entire instrument performance can be detected Influence of m...
Page 19: ...ow and Fig 1 10 f Hz 250 315 400 500 630 800 1000 1250 1600 2000 2240 dL dB 0 02 0 02 0 05 0 08 0 09 0 11 0 18 0 02 0 02 0 00 0 30 U dB 0 10 f Hz 2500 2800 3150 3550 4000 4500 5000 5600 6300 7100 8000...
Page 20: ...20 1 5 1 0 0 5 0 0 0 5 1 0 1 5 2 0 2 5 100 1000 10000 100000 f Hz dL dB Fig 1 10 Influence of weatherproof screen...
Page 21: ...ys MEMORY FILTER CLEAR SETUP TIME RESULTS RUN PAUSE key cursor keys ENTER key 2 2 Input and output connectors of the instrument The layout of input and output connectors of the instrument is shown on...
Page 22: ...tion voltage 200V 4 signal input 5 heater 6 12V supply 7 12Vsupply shield GND GS2 2 analogue AC electrical signal output connector 1 2 Fig 2 4 AC analogue electrical signal output connector external v...
Page 23: ...ON or OFF Save measurement result To use setup previously recorded after turning instrument on open MEMORY menu and load the content of previously filled memory cell 2 4 Preparation of the instrument...
Page 24: ...pter 3 3 1 In reduced capabilities version of DSA 50 analyzer following measurement options are unavailable 1 1 octave analyzer FILTER 1 1 octave 1 3 octave analyzer FILTER 1 3 octave built in microph...
Page 25: ...F and S time weightings are available In SLM mode RMS results are determined at S F and I time weightings simultaneously In 1 1 octave analyzer mode results are determined at S and F time weightings s...
Page 26: ...ds for number of seconds remained to the end of waiting period Additionally in SLM mode proper inscription is displayed Microphone heater state is indicated similarly as overload its indicator is not...
Page 27: ...ator Fig 3 7 RESULTS menu for SLM mode results set no 1 Another predefined sets of results results set no 4 is available only if frequency weighting setting A C or A Z is selected are shown below Fig...
Page 28: ...l range Frequency weighting Time weighting Selected band Cursor Heater state Battery gauge Run Pause state indicator state Overload indicator Measurement duration Result Fig 3 11 RESULTS menu for 1 1...
Page 29: ...um from all 1 3 octave bands Grid Level indicators Level range Frequency weighting Time weighting Selected band Cursor Heater state Battery gauge Run Pause state indicator Overload indicator Measureme...
Page 30: ...me clock built in the instrument Measurement duration a k a integration time is the time interval after which running measurement is automatically stopped This time interval is reached when elapsed ti...
Page 31: ...filter to be used during instrument operation it is practically equivalent to operating mode selection Filters specified below are available operating mode corresponding to given filter is specified i...
Page 32: ...Occupied is displayed near lower left corner of the screen If it is free then inscription FREE is displayed If there some data are saved then date and time of saved measure are displayed To confirm st...
Page 33: ...ement history To change time interval between subsequent measurements press or key To turn measurement history recording on press key To stop history recording press key When history recording is turn...
Page 34: ...first recording after measurement run the time interval is taken since measurement run moment The quantities can be recorded for all filters X in subscript stands for frequency weighting are as follo...
Page 35: ...ng duration when recording every No of quantities 1s 5s 10s 15s 30s 60s 1 4 58 49 24 54 05 49 48 10 74 42 15 149 24 30 298 49 00 2 2 30 41 12 33 25 25 06 50 37 40 15 75 20 30 150 41 00 3 6 3 4 Infra G...
Page 36: ...ed information 3 7 CLEAR menu This menu enables to clear entire memory or its part and also to delete results of last measurement not stored in memory When memory contains no data the message NO DATA...
Page 37: ...ER DSA 50 should be connected with battery powered PC class computer USB interface using original interface cable supplied together with the instrument CD supplied with the instrument contains followi...
Page 38: ...ce from the instrument or its microphone assuring to avoid sound field disturbance Select level range ensuring to avoid overload or underrange during measurement If existing ambient temperature and hu...
Page 39: ...s corrections crossing out etc are found on Warranty Card the instrument shall be used according to manufacturer Instruction Manual the warranty becomes void if instrument repairs or modifications are...
Page 40: ...ribed in this instruction conforms to following EU Council Directives 2004 108 EC Electromagnetic compatibility The conformance to above mentioned requirements is confirmed by CE mark This product can...
Page 41: ...000 10000 100000 f Hz L dB Fig A 1 The characteristics of A filter conformable to EN 61672 1 2002 class 1 requirements 80 0 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 10 100 1000 10000 100000 f Hz L dB Fi...
Page 42: ...eristics of Z filter conformable to EN 61672 1 2002 class 1 requirements 3dB at f1 8 7Hz and f2 24 93kHz 90 0 80 0 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 0 01 0 10 1 00 10 00 100 00 f f0 L dB Fig A 4...
Page 43: ...ave bandpass filter upper centre frequency conformable to EN 61260 1995 A1 2001 class 1 requirements 90 0 80 0 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 0 10 1 00 10 00 f f0 L dB Fig A 6 The characterist...
Page 44: ...80 0 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 0 10 1 00 10 00 f f0 L dB Fig A 7 The characteristics of 1 3 octave bandpass filter lower centre frequency conformable to EN 61260 1995 A1 2001 class 1 requ...
Page 45: ...onding to directional responses shown below inner curve outer curve WARNING Dynamic range of logger used to made directional responses was equal 25dB so scale interval equals 0 5dB and maximum scale v...
Page 46: ...ogger used to made directional responses was equal 25dB so scale interval equals 0 5dB and maximum scale value is 25dB Fig B 2 Directional response of the instrument at 2kHz Fig B 3 Directional respon...
Page 47: ...gger used to made directional responses was equal 25dB so scale interval equals 0 5dB and maximum scale value is 25dB Fig B 4 Directional response of the instrument at 8kHz Fig B 5 Directional respons...
Page 48: ...tivity to vibration Instrument orientation used during vibration sensitivity determination X axis Y axis Z axis Fig C 1 Sensitivity of DSA 50 to X directed vibration Fig C 2 Sensitivity of DSA 50 to Y...
Page 49: ...49 Fig C 3 Sensitivity of DSA 50 to Z directed vibration...
