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Related Manuals for PCE Health and Fitness DSA 50
Summary of Contents for PCE Health and Fitness DSA 50
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Page 1: Manual
Tursdale Technical Services Ltd Unit N12B Tursdale Business Park Co. Durham DH6 5PG United Kingdom Phone: +44 ( 0 ) 191 377 3398 Fax: +44 ( 0 ) 191 377 3357 info@tursdaletechnicalservices.co.uk http://www.industrial-needs.com/ Manual Sound level meter PCE DSA 50... -
Page 2: Table Of Contents
Manual ............................. 1 Sound level meter ........................1 PCE DSA 50 ..........................1 1. FEATURES OF THE INSTRUMENT ................... 4 1.1. Accessories ..........................4 1.2. Weatherproof accessories set for microphone ................5 1.3. System configuration ........................6 1.4. Measured quantities ........................7 1.4.1. - Page 3 info@tursdaletechnicalservices.co.uk 5.2. Internal battery ........................... 45 5.3. Calibration of the instrument ..................... 45 5.4. Warranty ............................ 46 5.4.1. Complaint instructions for the purchaser: ................46 5.5. Maintenance and repair ......................47 6. CE MARKING AND CONFORMANCE TO EU COUNCIL DIRECTIVES ....... 47 Appendix A.
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Page 4: Features Of The Instrument
info@tursdaletechnicalservices.co.uk 1. FEATURES OF THE INSTRUMENT Digital sound analyzer model DSA-50 is the instrument combining the features of integrating sound level meter as well as 1/1- and 1/3-octave band frequency analyzer. The majority of quantities characterizing occupational, environmental and other kinds of acoustic noise can be measured by this Class 1 digital-signal-processing instrument. -
Page 5: Weatherproof Accessories Set For Microphone
info@tursdaletechnicalservices.co.uk DSA Monitor computer software for data display, readout and analysis (PC under MS Windows 98SE/ME/2000/XP required). Additional accessories: Built-in microphone heating system. Watertight carrying case. KA-50 sound calibrator. CV-06 external supply source together with 8614 power supply (Mascot). Weatherproof accessories set for microphone. Microphone extension cable PD5Lx (x stands for cable length, max. -
Page 6: System Configuration
info@tursdaletechnicalservices.co.uk Fig. 1.2. Assembling of weatherproof accessories – step 1. Fig. 1.3. Assembling of weatherproof accessories – step 2. Fig. 1.4. Assembling of weatherproof accessories – step 3. Fig. 1.5. Assembling of weatherproof accessories – step 4. Fig. 1.6. Completely assembled weatherproof microphone WK-21WP. 1.3. -
Page 7: Measured Quantities
info@tursdaletechnicalservices.co.uk 1.4. Measured quantities Many quantities used to characterize acoustic noise can be measured simultaneously using DSA-50 digital sound analyzer. The set of measured quantities depends on instrument operating mode. Measurement duration and battery condition information is displayed at every operating mode. 1.4.1. -
Page 8: 1/3-Octave Analyzer Mode
info@tursdaletechnicalservices.co.uk If A frequency weighting is selected, then following quantities are measured additionally: L ASmx maximum RMS, A-frequency-weighted, S-time-weighted sound L Aeq time-average A-frequency-weighted sound level, L CMPk maximum peak C sound level. 1.4.3. 1/3-octave analyzer mode 1/3-octave analyzer contains twenty nine digital 1/3-octave band filters having exact centre frequencies specified for binary octave ratio. - Page 9 info@tursdaletechnicalservices.co.uk Specifications common for all operating modes: Accuracy class Readout resolution 0.1dB Maximum sound pressure level can be applied without causing damage to the instrument 150dB (3% THD) Maximum electrical voltage can be applied at instrument electrical input facility without damage to the instrument 22V p-p Capacitance of electrical input facility...
- Page 10 info@tursdaletec chnicalservices.co o.uk - in nternal bat ttery NiMH H 6V 2.1Ah external po ower supply Masc ot 5014 (9V V, 350mA) nimum ope erating volta age of inte ernal batter 5.5V ntinuous o perating tim me (battery y fully crophone h heating turn ned off)
- Page 11 info@tursdaletechnicalservices.co.uk Fig. 1.7. Free-field correction for WK-21 microphone (0° incidence). Table below and Fig. 1.8 show typical free-field frequency response of WK-21 microphone (relative to its sensitivity at 250Hz) together with maximum permissible deviations as specified in EN 61094-4:1995.
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Page 12: Specifications For Slm Mode
info@tursdaletechnicalservices.co.uk Fig. 1.8. Typical free-field frequency response of WK-21 microphone. 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 14V p-p - maximum output voltage 22V p-p - output impedance... - Page 13 info@tursdaletechnicalservices.co.uk Starting level for level linearity testing reference sound pressure reference level range Maximum unweighted sound pressure level not activating overload indication See table below Total range for L A sound level and L Aeq time-average sound level 18 – 13 dBA 40 –...
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Page 14: 1/1-Octave Analyzer Mode
info@tursdaletechnicalservices.co.uk - for peak level (L WARNING! The extents of measurement range for peak level at A and Z frequency weightings determined continuous 1000Hz sine signal; measurement error extended by expanded measurement uncertainty is less than 1.1 Self-generated noise - measured with electrical input facility installed: °... - Page 15 info@tursdaletechnicalservices.co.uk 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 L (analyzer): Extent of measurement range for L maximum sound level and L time-average ASmx sound level (criterion values 17 –...
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Page 16: 1/3-Octave Analyzer Mode
info@tursdaletechnicalservices.co.uk 1.5.2. 1/3-octave analyzer mode Frequency weightings A, C, Z AC electrical output (sine, 1000 Hz) - weighted frequency response A, Z - FSD output voltage for level range 14V p-p - maximum output voltage 22V p-p 1kΩ - output impedance - load impedance 10kΩ... - Page 17 info@tursdaletechnicalservices.co.uk...
- Page 18 info@tursdaletechnicalservices.co.uk • Self-generated noise - measured with electrical input facility installed...
- Page 19 info@tursdaletechnicalservices.co.uk - measured with WK-21 microphone installed...
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Page 20: Infra G Filter Mode
info@tursdaletechnicalservices.co.uk 1.5.3. Infra G filter mode Frequency weightings G, I AC electrical output (sine, 1000 Hz) - weighted frequency response - FSD output voltage for level range 14V p-p - maximum output voltage 22V p-p 1kΩ - output impedance - load impedance 10kΩ... -
Page 21: Influence Of Operating Environment
info@tursdaletechnicalservices.co.uk 1.6. Influence of operating environment Influence of static pressure - 85kPa 108kPa range 0.6dB - 65kPa 85kPa range 1.1dB Influence of temperature 0.8dB Influence of humidity 0.8dB Influence of vibration see Appendix C conformable to EN 61672-1:2002 specifications (maximum when microphone extension cable is parallel to field direction) Influence of electrostatic field conformable to EN 61672-1:2002... - Page 22 info@tursdaletechnicalservices.co.uk Influence of windscreen (at 0º incidence) See table below and Fig. 1.9. Fig. 1.9. Influence of OP1/2 windscreen.
- Page 23 info@tursdaletechnicalservices.co.uk Influence of weatherproof screen (for 0º incidence) See table below and Fig. 1.10.
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Page 24: Controlling Of The Instrument
info@tursdaletechnicalservices.co.uk 2. CONTROLLING OF THE INSTRUMENT DSA-50 digital sound analyzer can be controlled either by instrument keyboard or by PC via USB interface. 2.1. Control keys Instrument keyboard contains following keys: power switch, function keys: MEMORY, FILTER, CLEAR, SETUP, TIME, RESULTS, RUN/PAUSE key, cursor keys, ENTER key... -
Page 25: Input And Output Connectors Of The Instrument
info@tursdaletechnicalservices.co.uk 2.2. Input and output connectors of the instrument The layout of input and output connectors of the instrument is shown on Fig. 2.1 and Fig. 2.2. The instrument is equipped with following input and output connectors: LEMO EGG.1B.307.CLL microphone connector for microphone preamplifier... - Page 26 info@tursdaletechnicalservices.co.uk GS2-2 analogue AC electrical signal output connector MJ-14 external power supply connector with 2.1 mm diameter central pin...
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Page 27: Default Instrument Settings
info@tursdaletechnicalservices.co.uk B-type USB interface connector for data exchange with PC 2.3. Default instrument settings Default settings of DSA-50 after instrument turn-on are specified below: Operating mode Sound level meter (SLM) Level range 55–135dB Frequency weightings A and C Microphone heater Measurement history recording Integration time 99h 59m 59s (infinite) -
Page 28: O P E R A T I O N
info@tursdaletechnicalservices.co.uk 3 . O P E R A T I O N To operate DSA-50 analyzer, select proper menu among from following: SETUP, RESULTS, TIME, FILTER, MEMORY and CLEAR using function keys. To select proper option of selected menu use arrow keys controlling the cursors. In some menus cursors are used to select proper value directly. -
Page 29: Setup Menu
info@tursdaletec chnicalservices.co o.uk 3.2. SET TUP men To recall th his menu p press SET UP key. To chang ge level ra ange pres arrow w key. Le evel range e setting d depends o instrument t operating g mode. Me easuremen nt results a are not affe... -
Page 30: Results Menu
info@tursdaletec chnicalservices.co o.uk ig. 3.3. SETU P menu at SL LM mode. g. 3.4. SETUP P menu at 1/1 1-octave anal lyzer mode. Fig. 3.5. S SETUP menu u at 1/3-octav ve analyzer m mode. Fig. 3.6. SET TUP menu at t infra G filte er mode. -
Page 31: Slm Mode
info@tursdaletec chnicalservices.co o.uk – full ch harge, – 75% charge, – 50% charge, – 25% charge, – fully d discharged If battery i s fully disc charged an nd no exte rnal power r supply is connected d to the ins strument, then in som me time th... - Page 32 info@tursdaletec chnicalservices.co o.uk Another predefined d sets of r results (res sults set n no. 4 is av vailable on nly if frequ uency weighting g setting A/ /C or A/Z is s selected ) are show wn below: 3.3.2. 1 /1-octav e analyz If predefin...
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Page 33: 1/3-Octave Analyzer Mode
info@tursdaletec chnicalservices.co o.uk If A freque ency weig hting is se et, then re esults set no. 4, con ntaining as ssessment paramete used for o ccupationa al noise me easuremen nts, is avai lable. On the s screen co orrespondi ng to re sults set... -
Page 34: Infra G Filter Mode
info@tursdaletechnicalservices.co.uk 3.3.4. Infra G filter mode Analogue signal level indicator is displayed near lower border of display screen. Its deflection is proportional to G-frequency-weighted S-time-weighted sound level (L Analogue level indicator makes the selection of optimum level range easier. -
Page 35: Setup Time Menu
info@tursdaletec chnicalservices.co o.uk Anoth her predefi ned sets o of results a re shown o on the figu res below: 3.4. SET TUP TIME E menu To activa te this m menu press s TIME k key. It en nables to preset m measureme nt duratio... -
Page 36: Filter Menu
info@tursdaletec chnicalservices.co o.uk To aband don edit m mode pres ss any fun nction key y (SETUP P, TIME, R RESULTS MEMORY Y, FILTER o or CLEAR) ). Changed d number t then will no ot be stored 3.5. FILT TER men This men u makes... -
Page 37: Memory Menu
info@tursdaletec chnicalservices.co o.uk 3.6. ME MORY m menu DSA-50 a analyzer at every operating g mode e enables s saving an nd loading g of sing measurem ment result and also r recording o of measure ement histo ory. To select desired o option pres key. -
Page 38: Load Measure
info@tursdaletec chnicalservices.co o.uk 3.6.2. L Load mea asure Loading o of saved re esult is po ossible on nly when m measurem ent proces ss is stop pped. Store results are e displayed d, the instr rument ch ange its s ettings to loaded fro om memor... -
Page 39: Slm Mode
info@tursdaletec chnicalservices.co o.uk To chang e time in terval betw ween sub bsequent m measurem ents pres key. T turn meas surement h history rec cording on n press key. To o stop his story reco ording pres key. W When histo ory record ding is turn... -
Page 40: 1/1-Octave Analyzer Mode
info@tursdaletec chnicalservices.co o.uk 3.6.3.2. 1/1-octa ave analy yzer mod This oper rating mod de enables s to reco rd values of 1 to 3 quantitie es. All qu uantities a determined d for time e interval elapsed since las t recordin ng. -
Page 41: 1/3-Octave Analyzer Mode
info@tursdaletec chnicalservices.co o.uk 3.6.3.3. 1/3-octa ave analy yzer mod This opera ating mode e enables t to record v values of 1 to 2 quan ntities. All q quantities a determined d for time interval ela apsed sinc ce last reco ording. -
Page 42: Free/Occupied Menu
info@tursdaletec chnicalservices.co o.uk 3.6.4. F FREE/OC CCUPIED menu This displa infor rmation numb occupied memory cells whether m measureme ent history y is recorde ed in mem mory. Thes se data are e available e also whe the measu urement is running. -
Page 43: Measure In Memory
info@tursdaletec chnicalservices.co o.uk 3.7.1. M Measure in memo To select number o of cell to b be cleared d press ey. Measur rement da ate and tim are display yed near l eft border of the scr reen. Whe n desired cell is sele ected pres clear selec... -
Page 44: Entire Memory
info@tursdaletec chnicalservices.co o.uk 3.7.3. E Entire me emory The mess age requir ring to conf firm clearin ng of all da ata is disp layed. To confirm cle earing pres key. To o cancel cl earing pre 4. CO MMUN NICATIO ON WI TH C O... -
Page 45: Recommendations For Correct Performing Of Measurements
info@tursdaletec chnicalservices.co o.uk Fig. 5.1. Dis sconnecting g of microph hone preamp plifier equip ped with LE EMO connec ctor. 5.1. Rec commen dations f for corre ect perfo rming of f measur rements Fasten the e instrume nt (or its m microphone e) to its sup pporting st... -
Page 46: Warranty
info@tursdaletechnicalservices.co.uk run the measurement and check if displayed sound pressure level is equal to 93.8dB. At present coupling of the microphone with sound source this indication corresponds to 94dB sound pressure level at free-field conditions, if instrument indication deviates from value mentioned above, then correct indication by turning calibration potentiometer located on instrument right-side panel (see Fig. -
Page 47: Maintenance And Repair
info@tursdaletechnicalservices.co.uk 5.5. Maintenance and repair DSA-50 digital sound analyzer requires no special maintenance treatments. All repairs of the instrument are performed by the manufacturer. 6. CE MARKING AND CONFORMANCE TO EU COUNCIL DIRECTIVES The product described in this instruction conforms to following EU Council Directives: 89/336/EEC Electromagnetic compatibility The conformance to above-mentioned... - Page 48 info@tursdaletechnicalservices.co.uk...
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Page 51: Appendix B. Directional Responses
info@tursdaletechnicalservices.co.uk Appendix B. Directional responses... - Page 52 info@tursdaletechnicalservices.co.uk...
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Page 53: Appendix C. Sensitivity To Vibration
info@tursdaletechnicalservices.co.uk Appendix C. Sensitivity to vibration... - Page 54 Fig. C.3 3. Sensitivity of DSA-50 to o Z-directed v In this direction will find a visio n of the measur rement techniqu http://www.indu ustrial-needs.com m/measuring-in nstruments.htm NOTE: "This s instrument doesn’t have e ATEX prote ection, so it s should not b atmospheres s (powder, fl...
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