New Pocket meters manual.pub
Contents
1. OK DOWN ARROW MENU cen SCROLLING DISPLAY 1 D cc STATUS POWER ON OFF UP ARROW CLEAR PAUSE PLAY INTRODUCTION The GA213 GA215 and GA256 are part of Castle s Pocket Range of meters and have been designed to surpass the requirements of the new international Class 2 sound level meter standards They may be used in industry or for general purpose measurement to ascertain noise levels accurately yet economically This manual contains complete operating instructions for the above named instruments read it carefully and you will quickly become familiar with your instrument If you have problems with the operation of the instrument please call Castle Group Ltd on 44 0 1723 584250 or fax 44 0 1723 583728 USING THE MANUAL In the course of this manual a named button written in BOLD means press that button E g OK means press the OK button Since this manual covers the operating instructions for three instruments the shaded areas of the title serves to inform the user which functions are present on your instrument E g The following title informs you that this function is only applicable to the GA213 215 CHANGING RANGE GA213 215 Linear Operating Range GA213 GA215 65dB GA256 67dB Reference Level GA208 GA214 94dB Reference Range GA213 GA215 55 120 Reference Frequency GA213 GA215 1kHz Display Digital 1 x8 alphanumeric digit size 7mm x5mm Liquid Crystal2. The displayed messages may vary due to different instrument functions and configurations BAT 80 Press STATUS dBA SLOW Press STATUS VER 1 0 WWW Cast gt Press STATUS Battery status Frequency amp Time weighting selected Firmware version number Press STATUS website scrolling Press STATUS TECHNICAL SPECIFICATION The individual characteristic applies to each instrument unless specifically worded otherwise Instrument Standards GA213 IEC 61672 1 2002 Class 2 IEC 60651 2001 Type 2 EN 60651 1994 Type 2 GA215 IEC 61672 1 2002 Class 2 IEC 60651 2001 Type 2 EN 60651 1994 Type 2 IEC 60804 2000 Type 2 EN 60804 2000 Type 2 GA256 IEC 61252 2002 EN 61252 1997 Measurement Parameters GA213 Lp Lmax Cpeak Elapsed time GA215 Lp Leq Lmax Cpeak Lex Elapsed time SEL GA256 Pah Lex DOSE Projected DOSE DOHR Cpeak Projected Lex Elapsed time Peak Frequency W eighting GA213 C weighting 20Hz to 20kHz to the tolerances of IEC 61672 1 Class 2 GA215 C weighting 20Hz to 20kHz to the tolerances of IEC 61672 1 Class 2 GA256 C weighting 20Hz to 20kHz 13 INSTRUMENT STATUS Als The STATUS menu is therefore circular and can be easily scrolled through by repeated pressing of the STATUS button Press the DISPLAY button at any time to return to normal operation The STATUS button is used to display the status of the instrument Press STATUS BAT 80 Repeatedly pressing the STATUS
3. from Castle Group Ltd or an authorised agent Allinstruments are designed to meet rigid British and International Standards An annual calibration is recommended to ensure that these high standards are maintained This is particularly important for cases in which instrument readings are to be used in litigation or compliance work For warranty and service return to The Service Department Castle Group Ltd Salter Road Cayton Low Road Industrial Estate Scarborough North Yorkshire YO11 3UZ Telephone 44 0 1723 584250 Fax 44 0 1723 583728 web www castlegroup co uk Any misuse or unauthorised repairs will invalidate the warranty Damage caused by faulty or leaking batteries is not covered by the warranty 19 Case Reflections of the popular range using the Aco 7052 microphone Stalk length 75mm from front of microphone grid to top of case body a i a a E PRECAUTIONS Only operate the instruments as described in this manual These are precision instruments protect from shocks and vibrations Take special care with the microphone The diaphragm is made from a very thin metal and is easily damaged Ambient conditions for the operation of the unit are as follows Temperature 10 C to 50 C Relative Humidity 30 to 90 Protect the unit from dust water extremes of temperature and humidity direct sunlight and air with a high salt or sulphur content Always turn the unit off after use Remove the batte
4. will show SETTLING while calibrating to the chosen level When calibrated u the display will show COMPLETE Press OK and the display will return to LP for the GA213 215 and DOSE for the GA256 If the input level is not within 3dB of the chosen reference level then the display will show CAL FAIL Check to make sure the calibrator is switched on and emitting the correct level before proceeding as indicated above The instrument is now ready to take measurements DISPLAYING PARAMETERS ANC The DISPLAY button displays the parameters that are being measured Repeated pressing of the DISPLAY button scrolls round the parameters listed in the table below The display will also show the following message when appropriate UR when the instrument is Under ange OR when the instrument is Over range Except GA256 since no range change facility present The display will flash when the instrument is Under range Over range or when the Crest factor is being exceeded indicated by OVERLOAD You may leave the display menu by pressing any other button The table shown below lists the display parameters available on each of the Popular Range units as they appear by repeated pressing of the DISPLAY button GA213 GA215 GA256 Lp SPL Lp SPL Lex Lmx Leq Pix Pmx Elapsed Time DO Elapsed Time Lmx Pr Overload if triggered Pmx Mr Lex Elapsed Time Le Pmx Overload if triggered Ps
5. Display Microphone Aco Electret Condenser Microphone Cartridge Type 7052 Type Specification Diameter inch 0 5 Response Type Free field Polarisation V 0 Frequency Range Hz 20 8000 Sensitivity mV Pa 25 Sensitivity dB re 1V Pa 32 Capacitance pF 18 Max Sound Pressure Level dB 146 Temperature Coefficient dB C 0 01 15 RMS Frequency W eighting GA213 A and C weightings according to IEC 61672 1 Class 2 IEC60651 Type2 GA215 A and C weightings according to IEC 61672 1 Class 2 IEC60651 Type2 GA256 A weighting according to IEC 61672 1 Class 2 Time W eightings GA213 S and F according to IEC 61672 1Class 2 IEC 60651 Type 2 GA215 S and F according to IEC 61672 1Class 2 IEC 60651 Type 2 Level Ranges dB Linear Operating Primary Indicator Range IEC 61672 1 Range IEC 60651 12002 1kHz 2001 1kHz GA213 GA215 35 100 35 93 55 120 55 113 75 140 75 133 GA256 70 137 70 130 Peak Hold Display Display Range Range GA213 GA215 63 103 34 101 83 123 54 121 103 143 74 141 GA256 100 140 69 141 Primary Indicator Range allows for a crest factor of 10dB 14 BATTERY INSTALLATION TAN To prepare the equipment for use a heaw duty alkaline battery type 6LR61 should be fitted such as a Procell Duracell MN1604 Ever Ready 6LF22 Gold Seal or equivalent The battery door is located on the bottom left hand side of the instrument Open the battery door cover by sliding the cov
6. Notes Castle Pocket Meters GA2 13 GA215 and GA256 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 complete the reply paid card and return it to us for prompt action or telephone on 44 0 1723 584250 Simon Bull Sales and Marketing Director Warranty and After Sales Service Castle Group Ltd design and manufacture precision instruments which if treated with reasonable care and attention should provide many years of trouble free service In the event of a fault occurring during the warranty period the instrument should be returned to Castle Group Ltd in its original packaging or to an authorised agent Please enclose a clear description of the fault or symptom Details of the warranty cover are available
7. button will scroll through the parameters listed CALIBRATION M below depending on the instrument type This format is repeated for the other functional buttons on your instrument The calibrators recommended for use are the Castle GA601 607 calibrators which supply 94dB 104dB relative to 20uPa pressure at a frequency of 1kHz Turn the instrument on by pressing the POWER button BAT 80 Percentage battery capacity remaining Press STATUS to check the battery condition Replace the battery if the dBA SLOW Indicates the current frequency and time weighting GA213 215 indication is low VER2 0 Indicates the firmware version number RUNNING Indicates the instrument is running ALL Press MENU CAL lt OK Press OK and the instrument will now display the previous calibration level e g 24 0 The calibration will be performed at the selected level aa e g 94 0dB but may be changed in 0 1 dB steps to match the calibrator output PAUSED rere as the instrument is in ane mode only FEN byrepeated pressing of the UP DOWN arrow buttons or in 1dB steps by isplayed if instrument is in pause mode repeated pressing of the STATUS PLAY keys Ensure the calibrator is 90 3 Indicates the current criterion and exchange level Beal attached firmly to the microphone Ensure that the calibrator is set to the chosen level ai Scrolling web site address ALL Press OK and the instrument will calibrate to the level of the calibrator The ae egroup co display
8. ease the contrast When the desired contrast is reached press the DISPLAY button to return to LP mode PAUSING PLAYING ALL Press PAUSE PLAY once All functions can be held so that they do not update by pressing the PAUSE button Once PAUSED the display may be read as normal allowing the user to take note of any required readings For normal operation of the instrument to continue press the PAUSE PLAY button once more and the instrument will briefly show PAUSED before returning to the currently displayed parameter Please note instrument automatically powers on in PAUSED mode RESETTING PARAM ETERS ALL The CLEAR button is used to reset data Press CLEAR CLEAR To reset simply press the OK button and following message will be displayed CONFIRM Press OK again to reset the data or any other button to decline the RESET The instrument then returns to the previously displayed parameter
9. er downward towards the bottom of the instrument The cover will now swing open exposing the battery compartment Insert the battery observing the correct polarity as marked on the case wall Close the battery compartment door by reversing the procedure above The instrument is now ready for calibration and use THE MICROPHONE A The microphone capsule fitted to your instrument is a class 2 instrumentation grade 1 2 inch capsule The microphone assembly is not removable The GA256 is fitted with a DOSE meter microphone assembly in order that it can be attached to the collar of a noise exposed worker WARNING DO NOT TWIST THE MICROPHONE ASSEMBLY SWITCHING ON AND OFF Al Press the POWER button and the instrument name appears Allow the instrument to scroll through its start up sequence before pressing any other button this will take approximately 3 seconds When the instrument has completed its start up sequence the display will change to LP or Lex on GA256 in PAUSED mode using the settings that were last selected To switch off press and release the POW ER button once and the display goes blank ACTIVATING BUTTONS A Castle instruments operate with an intuitive menu and status system The menu is selected by using the dedicated buttons on the keypad A scrolling menu exists within this function repeated pressing of the buttons will allow you to scroll through the menu The example below shows the status of the instrument
10. ity provided there is no Condensation relative to the value at 50 relative humidity and 40 C Storage range 0 to 90 relative humidity in the absence of condensation Vibration Effect From 20Hz to 1kHz at 1ms no noticeable effect Humidity Effect lt 0 5 dB from 30 RH to 90 RH Magnetic Field Effect No noticeable effect Body in Free Field Effect No noticeable effect Windshield Attenuation lt 0 2 dB Battery 1xMN1604 size PP3 alkaline cell Life 20 hours continuous use approx based upon bench tests with procell MN1604 batteries Overall Dimensions Dimensions 210mm x 60 mm x35mm approx Weight 220g including batteries Crest factor capability 13 dB at full scale deflection Signal to Noise ratio gt 5 dB at bottom of scale EMC Performance Radiated emissions to EN 50 081 2 No significant emissions from the instrument Calibration Reference Conditions 23 C air temperature 50 relative humidity 101 325 kPa atmospheric pressure 94 0 dB at 1kHz nominal reference level 55 120dB reference range Reference direction of incidence for all microphones perpendicular to the front face diaphragm surface of the microphone Detector Characteristics RMS and Peak Warm up time lt 10 minutes Operating range 10 C to 50 C W arning DO NOT subject the instrument to temperatures greater than 70 C or less than 20 C for any length of time 16 KEYPAD LAYOUT Integrating SOUND LEVEL METER
11. q The table on the following page is a breakdown of the display parameters and is accompanied by an explanation of each one CRITERION EXCHANGE GA256 The Criterion and Exchange level can be changed bythe use of the MENU button is displayed Press OK and the instrument will display the options available for CRIT EXC SETUP Press MENU repeatedly until To change the CRIT EXC use either the up arrow or down arrow button Pressing either of these two buttons allows you to scroll through the four available criterion and exchange choices 90 3 85 3 90 5 or 85 5 Note The symbol gt indicates the current selection as you move around the criterion exchange options 11 CHANGING RANGE GA213 215 A range change can be performed by the use of the UP DOW N arrow buttons while in any of the DISPLAY modes instrument displaying LP dBA etc Press UP ARROW repeatedly until the required range comes into view then press OK to select The instrument will return to the LP screen Note The symbol gt indicates the current selection as you move around the range options FREQUENCY TIME WEIGHTING GA213 215 A change to the frequency and time weightings can be performed by the use of the MENU button Press MENU repeatedly until WTG lt OK is displayed Press OK and the instrument will display the options available for WTG SETUP To change W TG use either the up arrow or down arrow button Pressing either of the
12. ry from the instrument if it is not to be used for an extended period several days 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 Do not let any conductive objects such as wire of metal scraps get into the unit Do not try to disassemble the instrument or attempt any repairs as this may invalidate your warranty Take a note of the condition of the instrument and contact your authorised Castle service station To ensure continued precision performance of your instrument have it checked and serviced at regular intervals CONTENTS TITLE KEYPAD LAYOUT INTRODUCTION USING THE MANUAL BATTERY INSTALLATION THE MICROPHONE SW ITCHING ON AND OFF ACTIVATING BUTTONS CALIBRATION DISPLAYING PARAMETERS LOCKING THE INSTRUMENT CONTRAST CONTROL PAUSING PLAYING RESETTING PARAM ETERS CHANGING RANGE FREQUENCY TIME WEIGHTING CRITERION EXCHANGE INSTRUMENT STATUS TECHNICAL SPECIFICATIONS WARRANTY AND AFTER SALES SERVICE PAGE NO ul gt a WwW WW Oo co co ao on 10 11 12 13 19 Effect of Temperature Accuracy better than 0 5 dB over the range 10 to 50 C when corrected as indi cated here The temperature correction to be applied for GA601 GA607 and microphone Corrected level Actual level 0 05 t 20 Where t is the temperature in C Effects of Humidity Less than 0 5 dB over the range 25 to 90 relative humid
13. se two buttons allows you to scroll through the four available weighting choices A SLOW A FAST C SLOW or C FAST Note The symbol gt indicates the current selection as you move around the weighting options 10 DISPLAY DESCRIPTION 93 7dBC Level Pressure Lp LEQ 93 7 Displays the LEQ DO 67 Dose dependent on exchange and criterion Pr Displays the projected DOSE assuming an 8 hour shift LEX 87 1 Displays the Lex Lep d PIx78 6 Displays the projected Lep d assuming an 8 hour shift Le 93 1 Sound Exposure Level SEL Pa2 0 02 Indicates the energy that has been received in Pa ours OVERLOAD Indicates if an OVERLOAD has occurred Indicates when values are at 0 e g when instrument is first powered on or after a reset in PAUSED mode INSTRUMENT GA213 215 GA213 256 LOCKING THE INSTRUMENT ALL The LOCK feature is used to lock the instrument keypad All functions are therefore disabled including the POW ER button The function is often used to avoid inadvertent operation or tampering while the instrument is being used To LOCK the instrument press MENU until the instrument displays LOCK then press OK The status of the battery will be displayed while the instrument is locked To UNLOCK the instrument press CLEAR OK then CLEAR respectively CONTRAST CONTROL ALL To change to contrast of the meter press MENU repeatedly until the display shows CONTRAST Pressing the UP DOWN arrow buttons will increase and decr
Download Pdf Manuals
Related Search