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DeltaOHM HD2010UC Скачать руководство пользователя страница 1

Our instruments' quality level is the results of the product continuous development. This
can bring about differences between the information written in this manual and the instru-
ment that you have purchased. We cannot entirely exclude errors in the manual, for which
we apologize. The data, figures and descriptions contained in this manual cannot be le-
gally asserted. We reserve the right to make changes and corrections without prior notice.

REV. 4.0

29

th

May 2012

HD2010UC

Integrating Sound Level Meter

ENGLISH

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Содержание HD2010UC

Страница 1: ...s manual and the instru ment that you have purchased We cannot entirely exclude errors in the manual for which we apologize The data figures and descriptions contained in this manual cannot be le gall...

Страница 2: ...2...

Страница 3: ...or 2 5mm jack 17 DOWN key in the menu it selects the next line or decreases the selected parameter In graphic mode it increases the vertical scale levels the graph is shifted downwards 18 RIGHT key in...

Страница 4: ...ort you have to use the dedicated serial null modem cable code HD2110 RS fitted with a 9 pole female connector As alternative the sound level meter can be connected to a PC USB port by using the dedic...

Страница 5: ...isure effettuate presso un Laboratorio di Taratura Accredia sono garantite da una catena di riferibilit ininterrotta che ha origine dalla taratura dei campioni di prima linea del Laboratorio presso l...

Страница 6: ...inimum sound levels with integration times from 1 second to 99 hours If an undesired sound event produces an over load indication or simply alter the result of an integration its contribution can be e...

Страница 7: ...g of the A weighted sound level profile with FAST time constant sampled 8 times per second Storage of the profiles of 3 programmable parameters sampled twice per second Simultane ously the profiles of...

Страница 8: ...g 5 acoustic parameters together with statistical descriptors of each event During recording up to 9 different markers are available in order to signal the occurrence of particular situations to be co...

Страница 9: ...9 HD2010UC BLOCK DIAGRAMS The block diagram shows the main elements of the HD2010UC sound level meter...

Страница 10: ...e capsule The output driver allows guiding cables up to 10m in length without important losses The free field response of the UC52 microphone fitted with the HD WME maintains the Class 1 specification...

Страница 11: ...10 dB and is supplied with a charge partition cali bration device which allows to measure the frequency response of the whole amplification chain microphone included diagram described on page 49 The...

Страница 12: ...annel in place of the signal coming from the preamplifier The A D converts the analogue signal into the numeric format at 20 bits The measurement dynam ics exceeding 140 dB is divided into 5 ranges us...

Страница 13: ...t any time to jump from a screen page to the next one The display will show first the SLM screen with 3 measuring parameters in numeric format and if the Advanced Data Logger option is enabled the Pro...

Страница 14: ...es that the overload is in progress The integration time Tint programmable between 1s and 99h is displayed to the right of the overload indicator When the integration mode is set on MULT the Tint symb...

Страница 15: ...ond of the 3 pa rameters and 8 times a second of LAF Automatic Stop at the end of the set inte gration interval Automatic recording of SLM page at the end of the set integration interval MULTIPLE Reco...

Страница 16: ...ted parameter flashes you can change it with the UP and DOWN keys If a parameter with attribute is selected like for example LFp FAST weighted pressure level the relative frequency weighting will also...

Страница 17: ...llowed by the time interval in seconds to be deleted Use the LEFT and RIGHT keys to increase or decrease the erase interval Displayed integrated parameters change accordingly allowing choosing the era...

Страница 18: ...T time constant The integration interval is shown in the left corner at the bottom of the display Always at the bot tom in the centre the display shows the measurement unit and the frequency weighting...

Страница 19: ...oth L cursors in tracking will be activated in succession the selected cursor will flash Use the LEFT and RIGHT arrows on the keypad to move the selected cursor on the graph The second line at the top...

Страница 20: ...switched on for about 2 minutes near the microphone The distribution of probabilities shows the different population of the examined noise clearly From lower levels the first peak about 63dBA reflects...

Страница 21: ...play shows the sampling interval in the left lower corner and the chosen measurement parameter for the statistical analysis in the first line to the left of the status indicator and the possi ble over...

Страница 22: ...the class corresponding to the maximum measured level where it becomes zero The L1 L99 percentile levels are calculated interpolating the cumulative distribution of probabilities The vertical axis sh...

Страница 23: ...Cursors The CURSOR LEFT and RIGHT keys on the keypad enable and move the cursor The second line at the top of the display shows the percentile level indicated by the cursor Press CURSOR again to disab...

Страница 24: ...he bottom threshold for time T2 Fig 8 Description of the event trigger parameters To prevent short duration pulses being detected as sound events a minimum trigger duration can be set up to a maximum...

Страница 25: ...Event allows selection of the 5 parameters and memorization The event parameters integration begins 2 seconds before triggering This pre trigger time cannot be modified A special printing function sy...

Страница 26: ...integration divides the measurement in equal intervals according to the set in tegration time Tint Each single interval begins by resetting the levels and ends when the set inte gration time is elaps...

Страница 27: ...tegration time is elapsed The PAUSE CONTINUE key can be used to suspend the calculation of integrated levels tem porarily while instant levels are still being measured During a pause and as far as the...

Страница 28: ...at defined time intervals and over triggered events Statistical analysis and integrated levels are zeroed at the beginning of each integration interval The following table gives the different measurem...

Страница 29: ...interface press PRINT again or STOP to end the operation After activating the Monitor function even if you press the MODE key the type of screen sent to the serial interface will not change The PRINT...

Страница 30: ...ired has been selected the sound level meter is set for Auto Store mode The parameter MENU Re cording Auto Store will be activated and the REC symbol blinks over the status indicator Press START to be...

Страница 31: ...recording temporarily press CONTINUE to restart it As soon as you go back to the RUN status a special record is stored containing indications about the possible erase see the Back Erase Function in SL...

Страница 32: ...each detected event see paragraph EVENT TRIGGER FUNCTION on page 24 at the end of the event itself The 5 integrated parameters the spectra and the statistics are automatically cleared at the beginnin...

Страница 33: ...e event trigger uses the Profile view sound level as source Menu Trigger Source LEV the event data are recorded only when the trigger threshold Menu Trigger Trigger Threshold exceeds the minimum durat...

Страница 34: ...starting a logged measurement confirm with the YES key The instrument switches into stand by and turns off see Fig 12 Fig 12 Delayed acquisition timer warning screen The instrument will turn back abo...

Страница 35: ...Some of the parameters listed in the menu can also be modified directly from the measurement dis plays see the chapter concerning the different display modes from page 13 The menu is nest structured...

Страница 36: ...s the instrument and the microphone These are all items that cannot be changed by the user Instrument instrument name Serial N instrument serial number Version current firmware version loaded Micropho...

Страница 37: ...hat no action by the operator is required RS232 Bits non modifiable parameter number of bits of which transferred data are made up the value is 8 RS232 Stop Bits non modifiable parameter stop bit the...

Страница 38: ...rmer is single SING and the latter is multiple MULT For the description of the two modes see chapter DESCRIPTION OF THE DIFFERENT INTEGRATION MODES The multiple integra tion mode requires an Integrati...

Страница 39: ...for a number of seconds at least equal to this parameter It is used only if the Source parameter is set to LEV Stop Delay when the trigger conditions are not present anymore the event ends after a nu...

Страница 40: ...elessly we recommend to enable only the needed items and set the others to OFF Par 1 Par 5 define five integrated event parameters with relevant frequency weightings Parameters enables recording of th...

Страница 41: ...UENCER The Sequencer menu needs the Advanced Data Logger option Timer programmable acquisition delay in seconds minutes or hours up to a maximum of 99 hours see paragraph Delayed acquisition timer on...

Страница 42: ...gram is here below described in details NAVIGATOR This program available with the Advanced Data Logger option allows to access the data stored on the instrument display and print them with no need to...

Страница 43: ...automatically pressing the LOAD key File type Auto Press START to see the data session the screens of the measurement session will be displayed in the acquisition order During the replay use the PAUSE...

Страница 44: ...re ports and measurements respectively The maximum recording resolution is used only during events by enabling the Measurement group parameters recording see CONTINUOUS RECORDING OF REPORT AND EVENTS...

Страница 45: ...itive Transducer Calibration with the possibility to measure the fre quency response of the whole measurement chain microphone included using the built in sig nal generator Calibration is necessary ev...

Страница 46: ...tings are thus automatically adjusted In the 2010UC sound level meter besides the windshield correction the adjustment for the acoustic field can be activated too With the standard microphone UC52 whi...

Страница 47: ...eter internal circuits are discharged Press and hold down the ENTER key while inserting the missing battery The instrument will automatically turn on and will show a warning message indicating that fa...

Страница 48: ...formation of residues difficult to remove When HD WME weather protection is connected and sound level meter turned ON power supply and preamplifier heating avoid condensation of humidity on the micro...

Страница 49: ...e microphone sound level meter chain both for wideband channels and for those with a constant percentage bandwidth In case of continuous instrument drifts it is suggested to carry out an acoustic cali...

Страница 50: ...ad RIGHT key to refuse the calibra tion just finished At the end the instrument will switch to the SLM display in STOP mode The stabilization on a value far from the reference one indicated by a Leq h...

Страница 51: ...he indications provided by this manual Operating Procedure Switch on the sound level meter if necessary press STOP to finish the measurement on progress and perform the following procedure The program...

Страница 52: ...1 10 00 Calibr level 94 0dB Leq dBC Confirm calibration 0 1 ACOUSTIC CALIBRATION Last 2003 01 01 10 00 Calibr level 94 0dB Waiting for electric calibration Leq dBC 12 5 YES NO 6 At the end if the valu...

Страница 53: ...rization 0 1 EXIT Leq dBC 96 1 8 Take out the preamplifier from the calibrator and press EXIT 9 The procedure is over If calibration constants were incompatible with a correct working of the instrumen...

Страница 54: ...ould it fail a table will be shown with the results of the in spection If necessary refer to Troubleshooting page 90 and if needed contact our service de partment FIRMWARE UPGRADE The firmware that is...

Страница 55: ...harge level is available on the menu main screen and on the program screen ex pressed as a percentage value Press MENU or PROG to view it When the level is indicated by 0 5 minutes of autonomy are lef...

Страница 56: ...5 minutes for the sound level meter internal circuits to discharge Put the new battery in If the batteries are charged the instrument should turn on automatically INSTRUMENT STORAGE Temperature 25 70...

Страница 57: ...directions The data are transferred as package size The transfer time is defined by only one of the two units the master The transfer speed is fix at 1 5Mbit s 12Mbit s or 480Mbit s according to the U...

Страница 58: ...Datum 4 I O DM Datum 6 Input VBUS Power supply 5V 8 GND Reference ground While the sound level meter is connected to an active terminal DCE active via the RS232 in terface the auto power off is disabl...

Страница 59: ...n can be shortened at the minimum number of characters that univocally identify it The example can be shortened as follows SET INP 10 r n Here are the possible command formats A3 SET INTEGRATION_TIME...

Страница 60: ...OSE A8 Acknowledge ON OFF default ON Always ON upon power on OVERLOAD_LEVEL A8 Overload level in dB 20 200 INT_MODE A8 Integration Mode 1_PERC_LEVEL A8 Percentile level 1 in 1 99 default 1 2_PERC_LEVE...

Страница 61: ...ee parameter list 5_EVN_PARAMETER A6 EVENT parameter 5 see parameter list EVN_PARAMETERS A8 Recording of EVENT parameters 1 5 ON OFF default OFF EVN_STATISTICS A8 Statistical recording ON OFF default...

Страница 62: ...sound pressure level LSmx Z C or A SLOW maximum sound pressure level LImx Z C or A IMPULSE maximum sound pressure level LFmn Z C or A FAST minimum sound pressure level LSmn Z C or A SLOW minimum sound...

Страница 63: ...D key CURSOR C1 CURSOR key CLEFT C1 CURSOR LEFT key CRIGHT C1 CURSOR RIGHT key SER_MON C1 Simulates pressure of the PRINT key for over 2 sec STORE C1 Simulates pressure of the REC key for over 2 sec D...

Страница 64: ...ATION 2003 07 31 08 37 The STT DISPLAY commands are listed in the table below Command Format Description SLM D1 Displays 5 selectable parameters in numeric format PROFILE D1 Displays the time profile...

Страница 65: ...Descrizione ON E1 Starts memory dump OFF E1 Ends memory dump NEXT_RECORD E1 Requires the transmission of the next record RECORD E1 Requires the transmission of the current record CLEAR E1 Clears memo...

Страница 66: ...el meter must be configured before being used for data transmission The configuration is carried out automatically by the sound level meter itself according to the following steps 1 Connect the modem...

Страница 67: ...Set the parameter MENU Instrument In put Output RS232 Baud Rate to 38 4k 2 Set the parameter MENU Instrument In put Output Serial Device to PRINTER Printer configuration 1 The printer Baud Rate must...

Страница 68: ...window to appear For Win dows Vista and Windows 7 operating systems it s shown the window below select auto run exe execution see note 1 in the next paragraph 4 The starting screen of Noise Studio wil...

Страница 69: ...pears the window new hardware installation In Windows Vista and Windows 7 it appears an installation error under device manager in both cases cancel operation disconnect instrument and restart the com...

Страница 70: ...items will disappear and they will appear again as soon as the instrument is plugged to USB port In the documentation supplied with the Noise Studio CDRom it s available a detailed version in cluding...

Страница 71: ...s FAT16 type The reader is powered by the sound level meter and doesn t require any external power supply PREPARATION OF A NEW MEMORY CARD Every new memory card needs to be formatted before use by mea...

Страница 72: ...level meter identifies the device The display of the sound level meter shows MC connected and the remaining dimension of memory The LED on the card reader signalizes the connection 6 If the display vi...

Страница 73: ...program can be activated only after having connected the memory card interface HD2010 MC as described in the chapter Connection of HD2010 MC to the sound level meter and use of the memory card During...

Страница 74: ...or electrical calibration it can be directly plugged into the HD2010UC o using the extension cable HD2010PNE2W heated preamplifier with connection for UC52 inch microphone and driver for extension cab...

Страница 75: ...unit HD WME In order to make measurements with the maximum possible precision in different situations the HD2010UC sound level meter can automatically apply spectral corrections needed to measure in r...

Страница 76: ...orrection applied to HD2010UC sound level meter when used with HD WME outdoor protection please refer to UC52 microphone user manual Self generated Noise The intrinsic noise measured replacing the mic...

Страница 77: ...amplitude equal to 10V m modulated 80 at 1 kHz Reference Conditions The measuring range is that with input gain equal to 10 dB The level corresponds to 94 dB The acoustic calibration can be performed...

Страница 78: ...3 9V the sound level meter cannot perform any measurement However it is possible to access and download the data in the internal memory Under 3 5V the instrument will automatically shut off Logged da...

Страница 79: ...k Sampling 1 8 s Classes from 0 5 dB Measurement range 30 dB 140 dB 4 percentile levels programmable between L1 to L99 Statistical graphs calculation and display Advanced Data Logger option Graph of d...

Страница 80: ...Delta Ohm sound level meters The functions in these mod ules are specifically developed for given applications such as noise analysis in the workplace or railway traffic noise analysis and can be ena...

Страница 81: ...rinting of logged parameters printing of a single event Continuous Printing Monitor Case Dimensions Length x Width x Height 445x100x50mm equipped with preamplifier Weight 740g batteries included Mater...

Страница 82: ...4 2 level 3 Susceptibility to EMI EN61000 4 3 level 3 Fast electric transients EN61000 4 4 level 3 Immunity to conduced disturbances EN61000 4 6 Electromagnetic interference Conduced emissions EN5502...

Страница 83: ...5mt extension cable up to 10m on request Microphonic outdoor protection HD WME Calibration certificate according to IEC 60651 and IEC 60804 of the measurement chain including sound level meter preampl...

Страница 84: ...m VTRAP H4 tripod max height 4 m HD2110 SA support to fix the preamplifier to the tripod HD2110RS RS232 serial cable null modem with DB9 standard connector HD2110USB USB cable with A type connector HD...

Страница 85: ...preamplifier windshield HD SAV3 rain protection HD WME2 anti bird spike HD WME1 HD WME1 anti bird spike for HD WME weather protection HD WME2 rain protection for HD WME HD SAV3 windshield for HD WME...

Страница 86: ...ced Data Logger option and the Tint time goes over the acquisition is stopped automatically If you press HOLD during the measuring phase the display update will be temporarily inter rupted When HOLD i...

Страница 87: ...to indicate the measured level and the corresponding acquisition time Press CURSOR again to disable cursors PRINT at any time to print the on screen data To activate the continuous printing Monitor pr...

Страница 88: ...OP mode If the instrument is in STOP mode and the Advanced Data Logger option is installed you will be prompted to choose between automatic AUTO and manual MAN storage the current screen will be store...

Страница 89: ...trument Measurement Percentile Lev 1 4 programmable between L1 and L99 The statistical analyzer samples the sound pressure A weighted level with FAST time constant 8 times a second the levels are accu...

Страница 90: ...d undamaged Try again after having waited for the end of the stabilization time and if the problem re mains load the factory calibration following these steps Ensure that acquisition is on STOP Remove...

Страница 91: ...tory calibration Check that the microphone protection grid is screwed down on the capsule securely 3 Upon turning the sound level meter on it turns off automatically right after the introduction scree...

Страница 92: ...off the instrument press the ON OFF key for at least one second Upon the power on the instrument shows for a few seconds the manufacturer s logo and the program version Then it switches to the SLM wo...

Страница 93: ...its use many parameters to be set If you press MENU you can access all instrument parameters for the following functions Main Sound Level Meter SLM statistical analyzer Advanced Data Logger option Tri...

Страница 94: ...CT to activate the selected program These are the available programs Memory Navigator with the Advanced Data Logger option allows accessing stored data and viewing them on the instrument display It wo...

Страница 95: ...forward mode REC key If REC is pressed and hold down for at least 2 seconds the displayed data are stored as a single re port You can also activate the automatic recording of the parameters displayed...

Страница 96: ...talled the MODE key selects the different display modes of the instrument from SLM to Time Profile Probability Distribution Cumulative Distribution All operating modes are active at the same time even...

Страница 97: ...line in the menus or decreases the selected parameter CURSOR Keypad It activates the cursors in a graph Press it repeatedly to activate in sequence the first cursor L1 the second one L2 or both of th...

Страница 98: ...ound pressure maximum level SPLmax X Z C A Y F S I LXYmin LYmn dBX Sound pressure minimum level SPLmin X Z C A Y F S I LXpkmax Lpkmx dBX Peak maximum level X Z C Lnn Li i 1 4 nn nn percentile with nn...

Страница 99: ...ETER ABBREV DEFINITION WEIGH FREQ WEIGH TEMP LXeq Leq dBX Equivalent continuous level X Z C A LXYmax LYmx dBX Sound pressure maximum level SPLmax X Z C A Y F S I LXYmin LYmn dBX Sound pressure minimum...

Страница 100: ...ressure maximum level SPLmax X Z C A Y F S I LXYmin LYmn dBX Sound pressure minimum level SPLmin X Z C A Y F S I LXpk Lpk dBX Peak maximum level X Z C SEL LE dBA Sound exposure level A LAIeq LeqI dBA...

Страница 101: ...If the Advanced Data Logger is installed the storage of Reports and Events is made by units re cord which are recorded corresponding to each interval Menu Instrument Measurements Report Time or for ea...

Страница 102: ...ing of the sound pressure The use of decibels to indicate the sound level has besides the evident advantage to reduce the measurement numeric range the advantage of providing a good approximation of t...

Страница 103: ...e sound energy concentration in the ear mechanics Usually the sound level is not static but it changes with time If the variation is very rapid the ear cannot feel the real intensity In case of sound...

Страница 104: ...he sound level is corrected by A weighting it is referred to as LAp and simulates the perception of low sound levels When on the contrary the sound level is corrected by C weighting it is referred to...

Страница 105: ...OW constant equals 1s When measurements with a FAST time constant are carried out the instantaneous sound level will be strongly affected by the pressure trend in the last octave of second while it wi...

Страница 106: ...nately while the ear sensitivity decreases according to the duration of noise the risk of an auditory injury does not decrease For this reason sound level meters usually have a built in circuit for th...

Страница 107: ...1dBA Considering an intermittent source of noise for example a train passing by it is obvious that the equivalent level can give a measurement of the mean energy level after considering many passages...

Страница 108: ...ability of the level probabilities The cumulative probability will be null for levels higher than the maximum measured level The percentile levels are calculated interpolating the cumulative distribut...

Страница 109: ...t a distance from the source higher than its bigger dimension and in any case higher than the bigger wavelength of the gener ated noise The free field is significantly disturbed by the closeness of ri...

Страница 110: ...difier should be applied Pressure Microphone sensitivity depends on atmospheric pressure Sensitivity increases as pressure de creases and the change of sensitivity for the HD2010UC with the UC52 micro...

Страница 111: ...CATION OF ACOUSTIC SIGNALS Acoustic signals can be classified according to the possible analysis techniques First of all we can divide the acoustic signals into two classes stationary and non stationa...

Страница 112: ...provide the sound level exceeded by a certain percentage of the measur ing time and are represented with the symbol Lx where x is the percentage value for example L10 gives the sound level exceeded i...

Страница 113: ...Disassembly To completely disassemble the unit a 1 5mm male hex key and a 14mm wrench are needed To separate all components of the unit proceed as follows to extract the group preamplifier micro phone...

Страница 114: ...the cable connected to the preamplifier 5 Unscrew the lock nut of the preamplifier C using if required a 14mm wrench Be careful not to twist the preamplifier cable 6 Remove the preamplifier D by pulli...

Страница 115: ...in the next paragraph A5 2 Assembly To assemble the unit a 1 5mm male hex key and a 14mm wrench are needed To assemble completely the protection start from step 1 If you need only to assemble the prea...

Страница 116: ...116 2 Insert the wind screen HD SAV3 3 Apply the anti bird spike and secure it using the three hex head screws located on the support at the base of the windscreen HD SAV3...

Страница 117: ...117 4 Insert the preamplifier A into the support pushing slowly upward until it s limit position 5 Screw the gland B using if necessary a 14mm wrench Be careful not to twist the preamplifier cable A B...

Страница 118: ...18 6 Insert the cable connected to the preamplifier through the system C and screw the stern to the support 7 Screw the terminal placed at the lower end of the stern D releasing the cable laterally C...

Страница 119: ...119 8 To secure the outdoor protection you can use the threaded end D or you can apply the fitting E on the tripod The terminal E has two threads and E...

Страница 120: ...he calculation of the pressure level it equals 20 10 6 Pascal and corresponds to the average human audibility threshold at a fre quency of 1 kHz Effective Value sound pressure effective value prms is...

Страница 121: ...LSE I has been defined for the identification of impulsive components presenting a time constant for increasing levels equal to 35ms while for decreasing levels it equals 1 5s The sound pressure level...

Страница 122: ...suppose we measured Leq 1 80 dB over 1 h Leq 2 90 dB over 2 h Leq 3 50 dB over 5 h t1 t2 t3 L1 L2 L3 3 2 1 10 3 10 2 10 1 10 3 2 1 10 10 10 log 10 T T T T T T L eq eq eq L L L T eq Leq 1 Leq 2 Leq 3 p...

Страница 123: ...indicate the level of frequency weighted sound exposure with A filter Dose In the field of environmental noise monitoring preventing auditory injuries the measurement of the noise Dose is used It is...

Страница 124: ...ON 24 DESCRIPTION OF THE DIFFERENT INTEGRATION MODES 26 SINGLE INTEGRATION 27 MULTIPLE INTEGRATION REQUIRES THE ADVANCED DATA LOGGER OPTION 28 PRINT AND MONITOR FUNCTIONS 29 THE RECORD FUNCTION 30 MAN...

Страница 125: ...L METER TO MEMORY CARD 73 TECHNICAL SPECIFICATIONS 73 TECHNICAL SPECIFICATIONS 74 METROLOGICAL CHARACTERISTICS 75 ELECTRICAL CHARACTERISTICS 78 STATISTICAL ANALYSIS 79 DISPLAY 79 STORAGE OF MEASUREMEN...

Страница 126: ...alent Sound Pressure Level 106 Statistical Analysis 107 Noise Dose 109 Acoustic Field 109 Environmental influence 110 Precautions and General rules of use 110 Classification of acoustic signals 111 A5...

Страница 127: ...127...

Страница 128: ...EC the European users of electrical and elec tronic equipment can return it to the dealer or manufacturer upon purchase of a new one The illegal disposal of electrical and electronic equipment is puni...

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