- Castle Group Ltd
Contents
1. 100 By switching the Rang key L Cal the figure of 100 blinks lt Side panel gt 1 0 DC6V POWER OUT CAL O i Calibration potentiometer C OFF ON DC AC O oeo lt Reference gt Full scale range and Cal the display shows Full scale Range CAL OUTPUT VOLTAGE V dB dB AC OUT DC OUT 80 74 0 0 500 2 350 90 84 0 0 500 2 350 100 94 0 0 500 2 350 110 104 0 0 500 2 350 120 114 0 0 500 2 350 130 124 0 0 500 2 350 lt Reference gt Relation between the display value of each range and output voltage DISPLAY VALUE dB OUTPUT VOLTAGE V RANGE 40 130 30 120 20 110 20 100 20 90 20 80 ASUT AOT 130 120 110 100 90 80 1 00000 2 50000 120 110 100 90 80 70 0 31623 2 25000 110 100 90 80 70 60 0 10000 2 00000 100 90 80 70 60 50 0 03162 1 75000 90 80 70 60 50 40 0 01000 1 50000 80 70 60 50 40 30 0 00316 1 25000 70 60 50 40 30 20 0 00100 1 00000 60 50 40 30 20 0 00032 0 75000 50 40 30 20 0 00010 0 50000 40 30 20 0 00003 0 25000 Page 15 Section 3 Measuring Procedure 1 A weighted sound pressure level La measurement Frequency weighting key A Cor Flat Time weighting key Fast Slow or Imp Range key m Measurement mode key C A ee lt Parameter setting gt Range key Select a range where the Bar display indicates approximately 2 3 of the fu2. No Data deletion mode 3sec deletes preceding 3 sec data when Pause key is pressed 5sec deletes preceding 5 sec data when Pause key is pressed When Meas Time is 1 3 or 5s this function does not work LCD contrast adjustment See LCD adjustment Calendar setting indicates year month day See Calendar adjustment Time setting See Calendar adjustment Page 23 3 Mode Set 2 2 lt Mode Set gt Range Dyn char Freq corr Meas time View baud rate e Range 130dB Shows a range value set with the Range key e Dyn char FAST FAST SLOW or Imp Shows Time weighting set with the F S Imp key e Freq corr A Shows Frequency weighting set with the A C Flat key e Meas time 1s Shows Measurement time set with the Meas time key e View LOS Mode setting in Normal and Magnified display mode Sets the value displayed in Normal and Magnified screen e baud rate 9600 Baud rate setting 4800 9600 or 19200 e The contents are updated every time the settings are changed e The Range etc can be changed in this menu Page 24 Section 5 AC DC Output 1 AC Output The AC Output is the frequency weighted signal Output 1Vrms Full Scale Output impedance 6000 Load impedance gt 10kQ 2 DC Output The DC Output is a frequency weighted root mean squared and then logarithmically converted signal Output 2 5V Full Scale 0 25V 10dB Output impedance 50Q
3. Load impedance gt 10kQ Page 25 Section6 Printing After measurement is completed the results can be printed with an optional printer Results can not be printed during measurement lt menu gt 1 2 Meas Mode Manu Interval Single 1 0 OFF Data delet OFF LCD cont NANE date y m d 00 01 01 time 00 00 00 The procedure is as follows 1 2 3 4 5 6 7 Turn off the POWER switch Connect to a printer and turn on the POWER switch The version is automatically printed when powered on Ensure the Baud Rate is set the same on the 6226 as the printer See section 4 No 3 Mode Set 2 2 on page 24 See separate Printer manual for setting the baud rate of the printer Select 1 0 in Menu display Select Print then press the Set key The display shows as follows Print Start Stop key All data is printed by pressing the Start key Printing is stopped by pressing the Stop key After completion of the data transfer to a printer the display returns to Menu automatically lt Printout form gt Example Explanation 00 01 05 2 15 16 F 1380dB Starting date and time Time weighting and Range O000h00m 10s Measurement time Laeq 180 0 La05 130 0 data Lae 130 0 La10 180 0 1 La50 130 0 I LMin 130 0 La90 130 0 I LMax 130 0 La95 130 0 I Starting date and time Time weighting and Range are printed on the first line Measurement time is printed on the second line Data is prin
4. The bar display is updated 10 times per second Page 11 1 3 Magnified Display Mode In magnified display mode the bar graph does not appear and the numerical characters are magnified in the digital display In the magnified display mode it is possible to change between A weighted sound pressure level sound pressure level equivalent continuous A weighted sound pressure level or percentile level measurement using the Mode key The other functions in this mode are the same as in the normal display mode 00h 000h00m00s FAST 4 3 0 0 Magnified display C Manu Note The value of percentile level shown on the Normal or Magnified display is selected on the lt Mode Set gt page 2 2 of lt menu gt pages 1 4 List Display Mode All the measured data is shown in the list mode 140 0dB La05 140 0dB i Laeq 140 0dB La10 140 0dB Data display Lae 140 0dB La50 140 0d0B LMin 140 0dB La90 140 0dB LMax 140 0dB La95 140 0dB Page 12 Meas A C LCD backlight key Light Menu Set Cursor key Cal Meas Time AeCe Flat F S e Imp Range Mode Pause View Start Stop 2 Operation of panel switches and their function PE E E N See LCD adjustment Menu key See Menu Set key Saves the settings of the menu screen or resets Max Hold value is used to move a cursor to select an item Calibration key See Calibration M
5. 0dB La05 140 0dB Laeq 140 0dB La10 140 0dB Lae 140 0dB La50 140 0dB LMin 140 0dB La90 140 0dB LMax 140 0dB La95 140 0dB L Manu dB Page 10 1 2 Normal Display Mode gt Operation indicator gt blinking in operation by pressing Start key E Pause by pressing Pause key When Data deletion mode is set this symbol does not appear E Data deletion mode E appears when Data delet was selected in Menu When Meas Time is 1 3 or 5s E does not appear OOh Measurement time Shows the time set with Meas Time O00h 00m OOs Time counter This counter starts by pressing Start key 00h O00h00m00s Digital display Shows the present value Bar display Shows the instantaneous value on the bar graph Range Shows the range selected with Range key Time weighting Shows time weighting FAST SLOW or Imp Frequency weighting Shows frequency weighting A C or FLAT Mode of Measurement Shows the selected mode Leq with Mode key Mode Manu normal measurement mode Cal calibration mode Battery condition Shows a four level display of the battery condition e When the input signal level is lower O 6dB than the limited scale of the selected range Un appears e When the input signal level is higher 3dB than the limited scale of the selected range Ov aqqears The digital display shows the time weighted or frequency weighted value The digital display is updated once per second
6. 11 30 Be sure to enter the time in the order of hour gt minute gt second Input any figure of h hour OO 24 m minute OO 59 s secOond OO 59 e g For 23 58 32 input 23 58 32 lt Entry of incorrect date and time gt The instrument has a function for outputting measured data to a personal computer During transfer of data if an incorrect date and time are entered an error message Econver Error is displayed on the screen and data transfer cannot be carried out Page 8 6 LCD backlight Your Castle 6226 is equipped with a backlight on the display Light key eed bee DEP ED E C E Pi 1 Press the Light key and the LCD backlight illuminates 2 Pressing the Light key again turns the backlight off The backlight automatically turns off after approximately 30 seconds 3 When the batteries are low the LCD backlight will dim CAUTION Use of the LCD backlight shortens the life of the batteries Page 9 Section2 Basic Operation 1 Changing The Display mode 1 1 How to change the display mode The display has three modes Normal Magnified and List Mode They can be changed with the View key The View key can be used to go back to this display mode from any other menu screen cat Set ae Hess AS Cs ara Normal Display Mode 00h O00h00m00s 130 0 Manu Magnified Display Mode 00h 000h00m00s List Display Mode E FAST Lap 140
7. Battery installati n ssasecscciscdsccssessatsnsconsessd essay incepuwasneasieaidayenbidiasbanin ied tien ddesapiaaeenpaewtduivenitfocne 6 3 AC POWer SGaptar sce scedacine denon ada ha a mudcdivusva tyes smte 6 A ECB adjustment hcniciesacedehs aii a is ate en ci bax Tana 7 5 Calendar adjustment A s tiouana tenet n deen ual a a a eran 8 6 LCD Dacklig hnt z e a a aA AO S 9 Section 2 Basic Operation 1 Changing Display mode 0 ccccsssseessesssesssesssesssscsnsessecsseesnesssessessscssesssucssesssneesneesneeess 10 2 Operation of panel switches and their function cc ccccceseesseeseesteeseeseeseen 13 Bo H f ALON shorn tes ca ease ca hence reeset Ag ute ahh te ac ie ceed earns 14 Section 3 Measuring Procedure 1 A weighted sound pressure level La mMeaSureMENE c cece 16 2 Sound pressure level Lc Lt measurement 0 cccceccsescssseseessesseeseesseesseeesseesneeseees 17 3 Equivalent continuous A weighted sound pressure level Laeq measur ment ct chicos hess chica eis nce cada encod ctan Gaacdbcs Sete bt a 18 4 Single event sound exposure level Lae and Percentile level Lx MEASUPEMENK cece ceccesecsessestesstesseeseesseeseeesesseesesneeseeeenses 19 5 Max Hold Measurement 00 cceccccsssssssesccssesssessseeeseteesnseecaseesueeesneessucersseessnessneesaseesueessnses 20 6 C weighted waveform peak hold measurement LCPeak ccscceceeeeeee 21 S
8. ES Range Every time the Menu key is pressed lt menu gt and lt Mode Set gt pages are alternated Select an item with 4 W key and complete the selection with gt key then change the parameters with 4 key lt menu gt 1 2 Basic setting for Calendar Meas Mode Manu LCD contrast etc Interval Single YO OFF Data delet OFF LCD cont ERA date y m d 00 01 01 time 00 00 00 lt Mode Set gt Setting for measurement modes Range Dyn cher Freq corr Meas time View baud rate Page 22 2 Menu 1 2 lt menu gt Meas Mode Interval 1 0 Data delet LCD cont date y m d time Items e Meas Mode e Interval e VO e Data delet e LCD cont e date y m d e time Initial value Manu Single OFF OFF kkk k 00 01 01 00 00 00 1 2 ePage of Menu Manu Single OFF OFF kkk k 00 01 01 00 00 00 Explanation Measurement mode Manu Normal measurement mode Measuring interval OFF Continuous data output mode Single Completes one measurement in Meas Time by pressing Start key Repeat Repeats measurement in every Meas Time by pressing Start key Measurement is repeated until Stop key is pressed External equipment connection setting OFF No external equipment Print Enables an external printer to be used PC Enables a personal computer to be used Data deletion mode setting OFF
9. Time weighting key 4 Set the range to 30 120dB with Range key 5 Ensure the calibrator is attached to the microphone by gently inserting the microphone into the cavity of the calibrator A certain amount of resistance should be felt whilst inserting the microphone as the o ring seal on the calibrator forms a seal around the microphone Ensure that the calibrator is switched on and set to the chosen level and all correction factors for atmospheric pressure and microphone type have been accounted for please refer to your Castle Calibrator Manual for more detail 6 Adjust the calibration potentiometer on the side panel until the display shows the output level of the GA601 standard value is 94 0dB Please note that the calibrator automatically turns OFF after approximately one minute lt Calibration display gt 00h 000h00m00s 94 Q A Manu Page 14 3 2 Calibration using internal calibration mode The instrument can be calibrated using the internal generator 1kHz sine wave PEL Cal key OG Set Om Meas EG a Ranga Range key errs 1 Turn on the POWER switch 2 Press the Cal key 3 Press the Range key and choose 100dB using the cursor keys AV and press the Range key again to confirm 4 Adjust the calibration potentiometer on the side panel until the display shows 94cB 5 Press the Cal key once again to complete the calibration lt Calibration display gt 00h 000h00m00s 94 0
10. ates approximately 2 3 of the full scale Time weighting key Fast or Slow Frequency weighting key A Measurement time key 1s 3s 5s 10s 1m 5m 10m 15m 30m 1h 8h 24h and gt x K x x gt the measurement continues until the Stop key is pressed Measurement mode key Laeq lt Display gt Indicates Time weighting Fast or Slow Indicates Measurement time 00h O00h00m00s e Measurement starts by pressing the Start key and automatically stops at the Measurement time The digital display indicates the calculated data at that time If the Stop key is pressed during measurement the digital display indicates the calculated data at that time When the Interval is set to repeat in the Menu display the measurement is repeated in every Meas Time This function is useful for printouts and data transfer to a computer e If the Pause key is pressed during measurement then the display indicates the calculated data from the start point to the current time less 3 or 5 seconds whichever is selected for Data delet inthe Menu To set this function See Menu e When is selected the display indicates the calculated data at the time the Stop key is pressed If the Stop key is not pressed the measurement continues for 199 hours 59 minutes 59 seconds Page 18 4 Single event sound exposure level Lae and Percentile level Lx measurement When measuring Laeq or Lae the following automatically starts by pre
11. cd tie advanced sound solutions TYPE 6226 Integrating Sound Level Meter Instruction Manual Version 1 5PA www castlegroup co uk Thank you for buying a Castle product am sure you will find both the goods and the service to be of the highest quality but if not then please feel free to write to me personally and will ensure that your needs are dealt with immediately This manual is designed to show you the operation of the goods you have purchased and a very brief insight into acoustics itself If you would like to become a competent person in the eyes of the law then you may like to know more about our Competent Persons training course for the Noise at Work Regulations It is my intention for Castle Group Ltd to provide a complete range of Noise and Vibration products and Services of the highest standard If you would like to know more about any of our other products and services then please telephone on 44 Q 1 723 584250 Simon Bull Managing Director Page 1 Copyright This manual is copyrighted with all rights reserved The manual may not be copied in part or in whole without the prior written consent of Castle Group Ltd Precautions e Only operate the instrument as described in this manual e These are precision instruments protect from shocks and vibrations e Take special care with the microphone The diaphragm is made from a very thin metal and is easily damaged e Ambient conditions for the operation
12. easurement time selection key See Measurement Procedure Frequency Weighting Key See Measurement Procedure Time Weighting Key See Measurement Procedure Range selection key See Measurement Procedure Mode selection key See Measurement Procedure Pause key See Measurement Procedure Display mode key See Changing Display mode Start and Stop key See Measurement Procedure Page 13 3 Calibration lt is recommended that the instrument s calibration is checked and adjusted where necessary with a Castle GA601 Class 2 calibrator before readings are taken The calibration should be re checked after taking readings to confirm the validity of the results There are two types of calibration 1 Using the recommended Castle GA601 which supplies typically 94dB relative to 20uPa pressure at a frequency of 1kHz 2 Using the internal calibration mode The internal calibration should only be used as a general system check e g for a broken or damaged microphone or for electrical calibration by a calibration house it should not be used for field calibration To maintain Class 2 accuracy the Castle GA601 must be used 3 41 Calibration using the Castle GA601 Frequency weighting key Time weighting key Range key 1 Turn on the POWER switch 2 Set the frequency weighting to A with Frequency weighting key 3 Set the time weighting to Fast with
13. ection 4 Menu 1 HOW to Wise Ment ici ananena aa E Raum casa tial ei E 22 2 M nu T acts tceca recta e a a ota sectan thas a a a tat aodtantuamancae 23 3 Mode Set 272 J fadmnren iaig M EE AA EAA A A 24 Section 5 AC DC Output N AC OUCP T riie ere E A AERE MCT A en PRT A O E rte 25 oy EOC DUE E ES A EEA EATA T ANNET 25 Section 6 PRINTING inisinia a a a aaa aA 26 Section 7 Data Transfer to a Personal Computer 27 Section 8 SPeCIIGANIONS 0 2 0 0 5 ee 29 Pin Connections and How to Connect the Extension cable 0 ce 30 Page 4 Section 1 Setting up 1 Locations and their functions Microphone Preamplifier Threaded retaining ring Front panel Tripod Bush Battery cover Display WVrist Strap Bush Side panel a 1 0 DC6V POWER OUT CAL Calibration potentiometer m OFF ON 0 c J AC OUT connector DC OUT connector POWER switch AC power adaptor connector External Input Output connector Page 5 2 Battery installation When the display indicates low battery install new batteries For long term measurement install new batteries in advance The following diagrams indicate the battery condition om ce Full Low Replace batteries To install new batteries 1 Turn off the POWER switch 2 Push the Battery cover gently where it says OPEN and slide it to the right 3 Insert the new batteries according to the diagram inside the bat
14. essing the View key and check the display shows Peak under the figures lt Parameter setting gt Range key Select a range that Bar display indicates approximately 2 3 of the full scale Time weighting key N A Frequency weighting key C Measurement time key 1s 3s 5s 10s 1m 5m 10m 15m 30m 1h 8h 24h and Measurement continues until Stop key is pressed Measurement mode key N A fixed to Lcpk lt Display gt lt Mode Set gt screen for example lt menu gt Meas Mode Interval 1 0 Data delet LCD cont date y m d 02 04 19 time 11 16 58 Normal display mode screen Indicates Meagurement time 00h O00h00m00s By pressing Measurement mode key toggles AAG FoAS e Measurement starts by pressing the Start key and automatically stops in the measurement time gt is displayed during measurement The display indicates the calculated data at that time e fthe Stop key is pressed during measurement the display indicates the calculated data at that time e When is selected the display indicates the calculated data at the time the Stop key is pressed If the Stop key is not pressed the measurement continues for 199 hours 59 minutes 59 seconds Page 21 Section4 Menu 1 How to use Menu To open the Menu display press the Menu key Return to the measurement display by pressing the View key Menu key CD aN a E Me Set key Cursor key Meas A C F S time Pal
15. et key to save the setting Asterisks indicate the degree of contrast After pressing Set key the cursor moves to the left 4 To go back to measurement mode press the View key Page 7 5 Calendar adjustment To adjust the calendar time operate as follows The calendar can be adjusted in the Menu mode in the same way as the LCD adjustment Menu key 1 When you press the Menu key the following screen appears lt menu gt 1 2 ight a Men Cursor key Meas Mode Manu Set key Interval Single YO OFF 4m sail ee Wes et BE EE Core Data delet OFF View key LCD cont oP ne date y m d 00 01 01 time 00 00 00 Calendar adjustment 1 Select date y m d with Cursor key vV then move the cursor to the right with gt key 2 Set the year month day with A v key then press Set key to save the setting After pressing Set key the cursor moves to the left 3 To return to the measurement mode press View key Time adjustment 1 Select time with Cursor key vV then move the cursor to the right with P key 2 Set the hour minute second with A V key then press Set key to save the setting After pressing Set key the cursor moves to the left 3 To return to the measurement mode press View key Caution Be sure to enter the date date y m d in the order of year gt month gt day Input any figure of y year 00 99 m month 01 12 and d day 01 31 e g For November 30 2003 input 03
16. function that deletes preceding 3 or 5 sec data Internal generator 1 kHz sine wave 1Vrms FS output impedance 6000 load impedance gt 10kQ 2 5V FS 0 25V 10aB output impedance 500 load impedance gt 10kQ RS 232C asynchronous data bits 8 bits stop bit 1 bit parity none baud rate 4800 9600 19200 bps Four 1 5V size AA batteries or AC adapter Alkaline batteries 20 hours continuous operation Use of LCD backlight will shorten battery life approximately 1 3 O to 40 C 25 to 90 without condensation 85 W x 287 H x 46 D mm 370g including batteries Page 29 Pin Connections and How to Connect the Extension cable 1 Detach the microphone from the body of the meter Microphone Ay Turn here to remove the microphone Part A Pin connections of Part A 2 Attach the microphone to the female connector of the extension cable 3 Plug the male connector of the extension cable into the connector on the body of the instrument Page 30
17. he PC as described later in this manual 2 0 a Press Menu cS Gas ae Range Time oe 1 Turn off the POWER switch lt menu gt Meas Mode Interval I O li Data delet LCD cont date y m d 00 11 20 11 30 26 CD Case Wen GD 2 Connect to a PC using the cable and turn on the POWER switch 3 Press the Menu key and select Interval in the Menu display 4 Select Off 5 Still in the Menu display select I O 6 Select Off then press the Set key 7 Press View and the measurements screen appears E De Time Flat a 6 Press Start Stop measurements begin and data is transmitted for each measurement interval The data is appended to data displayed on the PC screen 7 Press Start Stop again to stop measurements and transmission Remember Transmitted data is not stored in the memory of the sound level meter After transmission be sure to save it on the PC as described on page 27 00h OO0O0hOOMm00s ACO sound leval meter Data management software ver1 5 FiF Gapl Process daty data C SettinglS 13 4 Frequency Weighing A Fast AO0hO1 mids z 2 i I N a s o e ON E N EI l T ij 12 0 2 E 4 ng PR 15 03 2006 16 00 00 Leat a0 Vortical axis Horizontal wis x x2 x5 x Ronge x4 x5 XID 20dBto 80B Receive new Is 7 5 Print screen xis x20 x30 f s9S 037 5 Exit 06 i 3 f 1503 200 16 00 19 Received data is displayed in this wi
18. ll scale Time weighting key Fast or Slow Frequency weighting key A Measurement mode key gt LA lt Display gt Indicates Time weighting Fast or Slow Digital display Bar display The displayed La level is updated once per second The bar display is updated 10 times per second e There is no need to press the Start key Page 16 2 Sound pressure level Lc Lr measurement Sound pressure level measurements except A weighted sound pressure level Frequency weighting key A Cor Flat Time weighting key Fast Slow or Imp Rang Range key on E Measurement mode key lt Parameter setting gt Range key Select a range where the Bar display indicates approximately 2 3 of the full scale Time weighting key Fast or Slow Frequency weighting key Cor F Measurement mode key Lc or Lf lt Display gt Indicates Frequency weighting Lc frequency weighting is C Lt frequency weighting is F 00h 000h00m0O0s The displayed level is updated once per second The bar display is updated 10 times per second There is no need to press the Start key Page 17 3 Equivalent continuous A weighted sound pressure level Laeq measurement Frequency weighting key A Cor Flat Measurement time Time weighting key Fast Slow or Imp Range key Measurement mode key Se lt Parameter setting gt Range key Select a range where the Bar display indic
19. nd Level Meter is ideally equipped for carrying out Noise at Work Risk Assessments as well as the majority of environmental survey work The range of parameters measured the wide measuring capability of the meter and the ease of use mean that this equipment is suitable for anything from aircraft noise to lawnmower design and from construction sites to laboratories The Castle 6226 has an easy to follow menu system and clearly marked keys all designed to make the meter simple to use The back lit LCD display is also very clear with large figures and a quasi analogue display bar to show the changes in sound level as they happen 2 Features e Equivalent continuous level Leq e Suser selectable percentile values Ln e Wide Linearity range of S90dB e RS222 for data output to optional software e Memory storage for 10 000 data points 3 Configuration 1 Integrating Sound Level Meter TYPE 6226 4 2 1 2 electret condenser microphone TYPE 7052N 1 83 Windshield 250 4 4 Screwdriver 1 5 Wrist strap 1 6 Carrying case 4 7 Instruction manual 1 8 Optional extras e AC adaptor PSU4 e Extension cable 2m 5M 10m ZLOO046 02 05 10 e Interface cable ZLO026 e Output cable BNC pin cord 2m ZLOO7 1 e Data management software PCO226 4 with Interface Cablel Page 3 Contents Section 1 Setting up 1 Locations and their functions 0 ese eecsseessseeseeteesseessueeccuteesseeesueesseeersteesseeesnseeeateeed 5 2
20. ndow Page 28 Section8 Specifications Model Description Standards Measuring ranges Frequency range Microphone Time weighting Peak range Level range Linearity range Frequency weighting Measurement items Measurement time Sampling interval Lx Sampling interval Display Digital display Bar display Warning Battery display Built in memory Built in calendar Pause Calibration signal AC output DC output RS282 interface Power supply Battery life Operating temperature Humidity Size Weight Castle 6226 Integrating Sound Level Meter Conforms with IEC 61672 1 2002 Class 2 IEC 60651 1979 and IEC 60804 2000 Type 2 28 130dB A 33 1380dB C 38 130dB F 20Hz BkHz 7052N 1 2 electret condenser microphone FAST SLOW 50 133dB A 60 183dB C 70 133dB F Six ranges 20 80dB 20 90dB 20 100dB 20 110cB 30 120dB 40 130dB 90dB A C FLAT Z Lp LMH Leg LAe Lmax Lmin Lx L5 L10 L50 L90 L95 Peak 1s 3s 5s 10s 1min 5min 10min 15min 30min 1h Bh 24h manual max 199h 59m 59s 20 8ps Leq 10ms Lmax Lmin 100ms LCD with backlight 128x64 dots Four line resolution 0 1dB display update 1s Display update 0 1s Over range 3dB from upper limited scale Under range 0 6dB from lower limited scale Four level display of battery condition Approximately 10 O00 samples 1 OOO sets of results Year month day hour minute second Pause and a
21. of the unit are as follows Temperature O C to 50 C Relative Humidity 25 to 90 e Protect the unit from extremes of temperature and humidity direct sunlight and air with a high salt or sulphur content e Always turn the unit off after use Remove the batteries from the instrument when not in use e Do not use any solvents or cleaning agents on the instrument Use only a soft dry cloth or a soft cloth lightly moistened with water when necessary e Do not let any conductive objects such as wire or metal scraps get into the unit e Do not try to disassemble the instrument or attempt any repairs as this will invalidate your warranty Take a note of the condition of the instrument and contact your authorised Castle service station e To ensure continued precision performance of your instrument have it checked and serviced at regular intervals Contacting Castle Group This manual contains complete operating instructions for the Castle 6226 Integrating Sound Level Meter read it carefully and you will quickly become familiar with your instrument and its operation If you do encounter problems with the operation of your instrument please feel free to contact customer support with your enquiry on techsupport castlegroup co uk For all other enquires please contact us on either 44 0 1723 584250 Telephone 44 0 1723 583728 Fax www castlegroup co uk Web Site Page 2 Introduction 1 Overview The Castle 6226 Class 2 Integrating Sou
22. ssing the Start key e Equivalent continuous A weighted sound pressure level Laeq e Single event sound exposure level Lae e Percentile level gt Los Lio L50 L90 L95 LminorLmax Laeq can be displayed in Normal display mode but Lae or Lx are displayed only in List display mode Ee 00h 000h00m00s 140 0dB La05 140 0dB Laeq 140 0dB La10 140 0dB Lae 140 0dB La50 140 00B LMin 140 0dB La90 140 0dB _LMax 140 0dB La95 140 0dB Page 19 5 Max Hold Measurement Set key Meas A C Measurement mode key lt Parameter settings gt Measurement mode key gt MH lt Display gt Indicates Measurement mode Digital display Bar display e After pressing the Set key the digital display holds its maximum value and is only updated when a new maximum value is measured e Pressing the Set key resets the MH value e The bar display does not hold its value but shows an instantaneous value updated every 0 1 seconds Page 20 6 C weighted waveform peak hold measurement LCPeak Lcpeak is measured on Peak measurement setting Change the basic setting from Manu default to Peak 1 Press Menu key once to call lt Menu gt 1 2 screen and check the cursor is on the top line of Meas Mode 2 Move to the right column with gt key 3 Change Manu to Peak with Akey and press the SET key to enter 4 Return to the normal display from lt Menu gt screen by pr
23. ted on the third to seventh line When the Interval is set to Repeat in the Menu display the results of every MeasTime are printed in the above form Measurement is stopped by pressing the Stop key data is printed as x Page 26 Section 7 Data Transfer to a Personal Computer After or during measurement the data can be transferred to a personal computer 1 Data transfer after measurement Meng a lt menu gt a See Meas Mode Coar Set ILY Pata dete TD GD GD Cow dat ym Ime Pane View Bes Press Menu The procedure is as follows 8 Turn off the POWER switch 9 Connect to a PC using the cable and turn on the POWER switch 10 Press the Menu key and select 1 0 in the Menu display 1 1 Select PC then press the Set key The display shows as follows PC Start Stop key 1 2 Alldata is transferred by pressing the Start key Data transfer is stopped by pressing the Stop key 6 After completion of the data transfer the display returns to Menu automatically 1 2 Manu Repeat PC Off 00 1 1 20 11 30 26 The data is saved in csv format so it can be opened directly with spreadsheet software e g Microsoft Excel Page 27 2 Data transfer during measurement Data can be transferred to a PC during measurement in realtime by taking the following steps Please note that in this mode the data can not be saved to memory in the instrument and should instead be saved on t
24. tery compartment and replace the cover CAUTION Place each individual battery with the positive terminal to the positive markings on the case All four batteries should be replaced at the same time Battery life is approximately 20 hours Alkaline batteries continuous operation 10 hours Manganese batteries continuous operation Use of the LCD backlight shortens the life of the batteries approximately 1 3 3 AC power adaptor 1 Turn off the POWER switch 2 Connect the optional AC power adaptor to the AC power adaptor connector 3 Place the AC plug in the AC 240V outlet CAUTION The use of an AC power adaptor other than the one recommended may cause damage to the instrument 1 0 DC6V POWER OUT A OERE OFF ON DC AC J A C power adaptor connector Page 6 4 LCD adjustment The LCD contrast can be adjusted when the batteries are low or when new batteries are installed The procedure is as follows Menu key DALS a j E BE ES Core 1 When you press the Menu key the following screen appears lt menu gt Meas Mode Interval 1 0 Data delet LCD cont i date y m d 00 01 01 time 00 00 00 2 Select LCD cont with Cursor key vV then move the cursor to the right with b key 3 Adjust the LCD contrast with A v key then press S
Download Pdf Manuals
Related Search