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SKC 702-001, Руководство по эксплуатации

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skcinc.com 

Form 37177 Rev 200910 

Page 14 

 

 
 
 

Time History Disabled 

If Time History is not enabled for the recording, the bottom bar will only indicate the elapsed recording 
time.

 

 

 

 

 

 

 

 

 

 

Time History Enabled 

When Time History is enabled for the recording, the bottom bar will display the elapsed recording time 
and the current interval countdown time.

 

 

 

 

 

 

 

 

 

Time History Disabled, Duration Timer Set 

When Time History is disabled for the recording but the Duration Timer is enabled, the bottom bar will 
only display the elapsed recording time.

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Elapsed recording time 

Interval

 

countdown time

 

Elapsed

 

recording time

 

Elapsed recording time 

Содержание 702-001

Страница 1: ... Kit Contents 4 Parameters and Features 4 Microphone and Preamplifier 4 Removing the Microphone 4 Attaching Removing the Preamplifier 5 Certifiable Calibration 5 1 2 inch microphone with windscreen Soft Key 1 Screen Soft Key 2 Battery compartment on back Arrow keys left right up down OK Record Stop Power on off key reset screen grab Figure 1 SoundCHEK Essential Overview ...

Страница 2: ...g Instrument Icons 12 Operation 13 Real Time Mode 13 Recording Mode 13 Recording Screen Display 13 Time History Disabled 14 Time History Enabled 14 Time History Disabled Duration Timer Set 14 Time History Enabled Duration Timer Set 15 Stop Active Recording 15 File Review Mode 15 Auto Playback 16 Menu Structure 17 Menu Navigation and Settings 18 Measurement Setup 18 File Manager 22 Load File 23 Del...

Страница 3: ... Rev 200910 Page 3 Calibration 28 View History 29 Information 31 Measurement Screens 31 Measurements 32 Measurements Table 33 Exposure 33 Percentiles LN 34 Accessories Replacement Parts 35 Appendix A Performance Profile 36 ...

Страница 4: ...10 L90 L1 L5 L50 L95 or L99 Measurement 2 LEQ LMIN LMAX LPEAK Template Noise at Work Measurement 1 LEQ LMIN LMAX LE LEP d LAVG Dose Dose per Hour Exposure Pa2h TWA Measurement 2 LEQ LMIN LMAX LPEAK Microphone and Preamplifier Removing the Microphone The microphone is fitted to the preamplifier by screwing the microphone in a clockwise direction ensuring that the preamplifier spring pin is located ...

Страница 5: ...hat your sound meter instrumentation is calibrated annually to ensure your measuring equipment is completely accurate and fully compliant Measuring Sound Always calibrate your SoundCHEK Essential sound level meter prior to and after taking measurements using an SKC AcoustiCHEK Calibrator Cat No 703 Series Sound Level General Recommendations In some environments high levels of noise can occur The S...

Страница 6: ...ng is a time constant that modifies the response of the instrument to fluctuating noise levels Without time weighting the meter display would fluctuate following the measured noise level and would be unreadable the selected time weighting therefore softens these fluctuations over the time periods described below and in doing so the meter has a more readable display All SoundCHEK Essential sound le...

Страница 7: ...s progressively attenuated at the higher and lower ends of the audible frequency range however the attenuation at the lower end is much less than with A Weighting The response has a flat area between 200 and 1250 Hz and has 3 dB points at 31 5 Hz and 8kHz It is generally used for the acoustic emissions of machinery and for peak sound levels Z Weighting Often referred to as the FLAT or LIN response...

Страница 8: ...OL overload and UR under range in bold red lettering or inside a red box They will always be displayed in the same place on each measurement screen See the table on the next page Under range on each measurement acts independently and under some conditions may display under range on only one measurement Overload does not act this way and will display an overload for both ranges During overload or u...

Страница 9: ...skcinc com Form 37177 Rev 200910 Page 9 Overload Under Range ...

Страница 10: ...y compartment is located on the back of your sound meter Remove the battery door and insert the batteries using the correct polarity shown where the batteries are fitted see right Replace the battery door securely before using the instrument Determining Battery Level The SoundCHEK Essential is equipped with a multi level battery indicator Soft Key 2 Home Filter Select Yes Soft Key 1 Menu Select No...

Страница 11: ... the recording if necessary Turning Power On Off Turn on In all power configurations press and hold the Power key for approximately one second Turn off Hold the Power key down for approximately two seconds and follow the on screen instructions shown below Note If no key is pressed within two minutes of turning on the sound level meter the unit will automatically power down See below ...

Страница 12: ...e H High Measuring Range Active USB Active Battery Charge Recording Data Active File Review Active The top dark orange bar on the screen displays most of the information icons the current time date measurement range and the current screen selected The bottom lighter orange bar will display the Record or File Review symbols in a similar position to the image shown at right Note The image shown here...

Страница 13: ...be accessed while in real time mode and the instrument settings can be changed if required Measurement screens are accessible but not all parameters all available while real time mode is active It is possible to reset parameters in real time mode by quickly pressing the Power Key Recording Mode Recording data is achieved by pressing the Record key while in real time mode The settings for recording...

Страница 14: ...istory is enabled for the recording the bottom bar will display the elapsed recording time and the current interval countdown time Time History Disabled Duration Timer Set When Time History is disabled for the recording but the Duration Timer is enabled the bottom bar will only display the elapsed recording time Elapsed recording time Interval countdown time Elapsed recording time Elapsed recordin...

Страница 15: ...y pressing Soft Key 1 to return to Real Time mode File Review Mode File Review can be accessed by either manually loading a file under File Manager or by enabling the Auto Playback function see Auto Playback 1 Use the Up or Down Arrow keys to scroll measurement screens or the Left or Right Arrow keys to scroll measurement parameters 2 Use Soft Key 2 to swap between measurement 1 or measurement 2 3...

Страница 16: ...o Playback is located in the File Manager section of the Main Menu and can be enabled or disabled by pressing OK When enabled after a recording has been saved your SoundCHEK Essential will automatically enter File Review instead of returning to Real Time mode ...

Страница 17: ...skcinc com Form 37177 Rev 200910 Page 17 Menu Structure ...

Страница 18: ...ble options using the Up or Down Arrow keys and press OK to choose the highlighted selection Note The Main Menu is not available when the sound level meter is recording Measurement Setup Select Measurement Setup to change your recording settings and how information is displayed Scroll through the available options using the Up or Down Arrow keys and press OK to choose the highlighted selection Wei...

Страница 19: ...reely among A C and Z weightings Time Weighting Both Measurement 1 and Measurement 2 can also have independent Time Weightings applied Select from S Slow F Fast or I Impulse weightings Data Recording Select Data Recording to enable Time History and to choose any time interval periods required The time periods recorded by the instrument are determined by the Time History settings the settings made ...

Страница 20: ... of measurements over the total measurement time Time Interval When Time History On is enabled each recording will calculate data over the Time Interval selected The available options for Time Intervals are 1s 10s 1m 5m 10m 15m 30m 1hr 8hr 12hr Note Calculations over Time Intervals are not displayed on screen Timer Selection Choose Timer Selection to set the overall automatic recording length 1 Pr...

Страница 21: ...OINTS Hr OSHA PEL Select this option for requirements meeting OSHA PEL legislation Exchange Rate Criterion and Threshold are fixed as below Exchange Rate 5 Criterion 90 Threshold 80 When OSHA PEL is selected the Exposure measurement screen displays and records the following parameters LEPd LAVG Exposure Pa2h DOSE DOSE HR TWA Custom Select this option to manually set legislation requirements Exchan...

Страница 22: ...d from the selection above and L10 and L90 which are fixed Percentiles LNs ideally require at least 5 minutes recording time to gather enough data to be accurate File Manager Select File Manager to load saved files delete saved files and toggle Auto Playback off on Option availability will depend on data files being saved Scroll through the available options using the Up or Down Arrow keys Press O...

Страница 23: ... multiple files exist use the Left or Right Arrow keys to scroll the data files by page 2 Press Soft Key 2 labelled Filter to open a new window for file filtering options see below Filter Selection Filter the list of saved data files by the selections made Scroll through the options using the Up or Down Arrow keys and press the OK Key or the Left Right Arrow keys to toggle each available option On...

Страница 24: ... keys to scroll the data files by page 2 To delete all associated files press Soft Key 1 labelled Yes 3 To cancel press Soft Key 2 labelled No Delete All Files Choose Delete All Files to delete all data recordings Press Soft Key 1 to cancel and go back to the previous screen Press Soft Key 2 labelled Confirm to delete all files Notes Deleted files are unrecoverable Delete all may take several minu...

Страница 25: ...posure and disable Percentiles Environmental will enable Percentiles and disable Exposure All Parameters will enable all parameters Instrument Setup Screen Select Screen to adjust screen brightness and color and to access the power saving feature auto dim as follows 1 Brightness Adjust brightness using the Left Right Arrow keys to the required level Note Increased screen brightness reduces battery...

Страница 26: ...n the screen to its standard brightness setting Date Enter the current date using the date format specific to your region 1 Use the Up Down Arrow keys to adjust the value 2 Use the Left Right Arrow keys to move forward or back 3 Press Soft Key 2 labelled Done to accept the date changes Time Enter the current time using the time zone specific to your region 1 Use the Up Down Arrow keys to adjust th...

Страница 27: ...ons using the Up or Down Arrow keys 2 Use the Left Right Arrow keys to adjust as follows Yellow 40 to 100 dB Red 80 to 140 dB Red values cannot be set lower than Yellow values and any value below Yellow will be displayed as Green on the screen Note Settings made for Red are range dependent and values between 121 and 140 will only be visible Red on the High range ...

Страница 28: ...undCHEK Essential sound level meter Select User Calibration to allow access to the calibration routine and allow the user to set calibration settings Calibrate to 1 Adjust the Calibrate to value between 91 0 and 120 0 dB in 0 1 dB steps using the Left or Right Arrow keys or 1 dB steps using the Up or Down Arrow keys Only include the microphone dependent pressure to free field correction in this ca...

Страница 29: ...ul or unsuccessful calibration will be indicated see below Note If the calibration is unsuccessful ensure that your calibrator is turned on and is giving the correct output level and that you have entered the correct Calibrate to value View History View History shows all user calibrations that have been performed 1 Scroll through the History list using the Up or Down Arrow keys 2 Press the OK key ...

Страница 30: ...Down Arrow keys to adjust the value 2 Use the Left Right Arrow keys to move forward or back 3 Press the OK key on the last digit to accept the serial number Calibration Due Date By default the Calibration Due Date is set to one year from purchase however this date can be changed to suit you or your company s calibration schedule 1 Use the Up Down Arrow keys to adjust the value 2 Use the Left Right...

Страница 31: ...enable disable this feature Information Select Information to show instrument specific details Measurement Screens The SoundCHEK Essential sound level meter can independently and simultaneously record two measurements Each measurement can have different time weightings and or frequency weightings To clearly identify these they are named Measurement 1 and Measurement 2 throughout the menu system wh...

Страница 32: ...icable to Measurement 1 and the values at which the color banding changes can be amended See Bar Levels under Instrument Setup for details Press Soft Key 2 to move between the selection of Measurement 1 and Measurement 2 The selected Measurement is identified by having arrow markers on either side of the parameter as shown below Use the Left or Right Arrow keys to scroll to the available parameter...

Страница 33: ...ter for both Measurement 1 and Measurement 2 Exposure The Exposure screen is calculated from Measurement 1 only See Exposure in Measurement Setup for details on how to change the calculated Measurements To edit the Exposure Time value 1 Press Soft Key 2 to highlight Time 2 Use the Up Down Arrow keys to adjust the value Left Right to move and Soft Key 2 to confirm ...

Страница 34: ...entiles LN SoundCHEK Essential can measure a maximum of 3 percentiles at any one time L10 and L90 are fixed and one additional percentile can be selected from L1 L5 L50 L95 or L99 under Percentiles LN in Measurement Setup User selected percentile ...

Страница 35: ...eplacement Microphone Class 2 inch pre polarized with 25 mV Pa microphone capsule 702 019 Replacement Microphone Class 1 inch pre polarized with 25 mV Pa microphone capsule 702 020 Replacement Preamplifier Assembly 702 022 SKC Limited Warranty and Return Policy SKC products are subject to the SKC Limited Warranty and Return Policy which provides SKC s sole liability and the buyer s exclusive remed...

Страница 36: ...Per Hour Points Per Hour Under Range Overload Standards Meets ANSI S1 4 2014 ANSI S1 25 1991 R2007 IEC 61672 1 2013 Class 1 or Class 2 Group X Languages English UK and U S Chinese French German Italian Portuguese Brazilian Russian Spanish Dutch Greek Memory 4 MB up to 4000 Data intervals Power 4 AA batteries up to 24 hours or USB Temperature Class 1 14 F to120 F 10 to 50 C Class 2 32 F to104 F 0 t...

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