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Rion NL-62, Краткое руководство пользователя

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25 

 

5

．

Delay time, Pause, Back erase 

 

 

5-1

．

Delay time 

● 

Outline 

A delay in starting a measurement from the point of pressing the START/STOP key can be set. 

This function is useful for excluding the operating sound  made  when  pushing the start key  or the sound  of 

the operator's footsteps. Refer to the figure below. 

 

 

 

 

 

 

 

 

 

● 

The procedure to set the delay time is as follows 

① 

Select [Measure] from the menu list and select [Delay Time]. 

② 

The delay time is selected from OFF, 1, 3, 5 or 10 sec and set to it. 

③ 

Set the other required measurement and data store parameters. 

④ 

Return to the measurement screen. Delay time will display on the screen at the upper right. 

⑤ 

Press the  START/STOP  key to start the  measurement.  Measurement  will start after the preset  delay 

time has elapsed. 

 

遅延時間の設定

 

Set delay time 

Standby (flash) 

Measuring (flash) 

After the preset delay time 

The  delayed  measurement 
time set by “Delay Time” 

Press the START/STOP key 

Execute  measurement  and  data 
store 

Measurement start 

Содержание NL-62

Страница 1: ... Instruction Manual Ver 1 0 RION CO LTD Technical Support Division Sound and Vibration Measuring Instruments Business Department November 9th 2012 HU0 01 Sound Level Meter With low frequency sound measurement function Class 1 NL 62 ...

Страница 2: ...easurement 10 3 2 Store operation 11 1 Manual mode operation 11 2 Auto mode operation 14 3 Timer Auto mode operation 17 4 Data recall 20 4 1 Recalling stored data on sound level meter 20 4 2 Recalling stored data on a computer 22 5 Delay time Pause Back erase 25 5 1 Delay time 25 5 2 Pause Back erase 26 6 Marker 28 7 Sub channel settings Additional processing settings 29 8 Waveform recording 31 8 ...

Страница 3: ...2 9 4 Key lock 40 9 5 Eco setting Power saving mode 40 10 Menu list 41 10 1 Menu list items of NL 62 41 10 2 Menu list items of NX 42WR 41 ...

Страница 4: ...o pause measurement and press the key again to resume measurement CAL key This key is used for calibration of the unit and for level calibration of connected equipment DISPLAY key This key switches measurement screen display LIGHT key This key turns on the display backlight Press the key again to turn the backlight off START STOP key Press to start or stop the measurement MENU ENTER key Press this...

Страница 5: ... Output Connectors A variety of I O connections 1 3 Measurement screen display The illustration below shows all elements of the display for explanation purposes In actual operation such a screen will not be shown ...

Страница 6: ...tem Language menu select Battery type and press the MENU ENTER key The battery type screen appears Use the keys to select the battery type Alkaline Ni MH Nickel metal hydride and press the MENU ENTER key If Battery type is set to the wrong type the unit might be working but the battery life becomes shorter In addition the battery status cannot be indicated in correct indicator segments This is bec...

Страница 7: ...oint DC output voltage 2 5V 25 mV dB at display full scale point The procedure for setting the upper scale value of the bar graph and full scale of output voltage is as follows Select Display on the menu list and select Output Level Range Upper Use the keys to set the value 70 to 130 10 dB step Then press the MENU ENTER key Return to the Measurement screen and confirm that the output level range c...

Страница 8: ...leted press the CAL key once more to return to the measurement screen Note If the bar graph upper limit setting is not 130 dB bring the level indication to a value that is 6 dB below the current upper limit of the bar graph scale 2 7 Acoustic calibration with sound calibrator To confirm the microphone sensitivity you need to execute acoustic calibration using a sound calibrator The procedure for a...

Страница 9: ...el at the microphone in the coupler specified sound pressure level and the influence of case reflections and the microphone refraction effect when placed in a sound field Calibrator Calibration value Sound Calibrator NC 74 94 0 dB Example of calibration display using sound calibrator NC 74 Press the CAL key The measurement screen returns Restore the frequency weighting refer to Turn off the Sound ...

Страница 10: ...ng characteristic can also be set using the Measure screen in the menu list screen Select the time weighting characteristic for the main channel on the touch screen Each press on the Time field of the touch screen with the finger cycles through the following settings F Fast S Slow 10s The time weighting characteristic can also be set using the Measure screen in the menu list screen Pressing the ST...

Страница 11: ... the time weighting as described below Time weighting F Fast F Fast setting Time weighting S Slow S Slow setting Time weighting 10s 10s setting Pressing the START STOP key switches back to the measurement screen The level indication shows the currently measured sound level sound pressure level The reading is updated once every second and the bar graph update frequency is 100 ms An example of a mea...

Страница 12: ...the data will automatically be stored on the card Data store capacity is shown below Memory Data store capacity Internal memory capacity Max 1000 data sets SD memory card capacity Max 1000 data sets per store name Max 100 store names The procedure is as follows Measurement settings as described in chapter 3 1 Sound level measurement must be completed beforehand To select the measurement values Leq...

Страница 13: ... name only appears when a SD memory card is inserted Setting item Setting Store mode Manual Store name Number of four digits Measurement time 10 s 1 min 5 min 10 min 15 min 30 min 1 h 8 h 24 h Manual arbitrary measurement time maximum 24 hours Manual mode Number of four digits Measurement time ...

Страница 14: ...n the measurement finishes a confirmation screen will be displayed Select Data saved and press the MENU ENTER key to store the processing results in the internal memory or on the SD memory card When you select Cancel the processing result is not saved NB All processed data are stored whether you have displayed a processed value on the measurement screen or not The measurement results are displayed...

Страница 15: ...nterval can be selected from 10 s 1 min 5 min 10 min 15 min 30 mim 1 h 8 h 24 h manually selected time up to 24 hours OFF Leq is not stored Approximate times and data capacity are listed below Measurement parameter Data capacity Stored time Approximate stored data capacity per a day When a 24 hours measurement is executed with a Lp store interval of 100 ms and a Leq processing interval of 10 min t...

Страница 16: ...creen and select Store Make the settings as follows Setting item Setting Store mode Auto Store name Number of four digits Total measurement time Can be selected from 10 s 1 min 5 min 10 min 15 min 30 min 1 h 8 h 24 h arbitrary measurement time maximum 24 hours Lp store interval Can be selected from OFF 100 ms 200 ms 1 s Leq 1s When Leq 1s is selected Leq data per 1 sec is stored When OFF is select...

Страница 17: ... quanities Leq Lmax Lmin Ly as well as Lp data are stored When Lp store interval is set to another value than 100 ms only Lp data is stored When the Lp store interval is set to Leq 1s the data of Leq per second is stored Only when the sub channel is ON and the additional processing value is set to LCpeak or LZpeak Ly data is stored However when recalling data on the unit only Lp data stored in mem...

Страница 18: ...the procedure is as follows Settings as described in chapter 3 1 Sound level measurement must be completed beforehand To select the measurement values Leq LE Lmax Lmin and LN N 05 10 50 90 95 you want to display you set the desired items to ON in the Display screen from the menu list screen Refer to the figure on the right In addition the display setting of a measured value can be changed between ...

Страница 19: ...o interval The Timer Auto interval is the time between measurements Can be selected from OFF 5min 10min 15min 30min 1h 8h 24h When OFF is selected Timer Auto interval is not available Standby Sleep mode When sleep mode is enabled the unit will enter a power saving standby condition at 60 seconds after pressing the START STOP key and during intervals between measurements In this mode power consumpt...

Страница 20: ...y at every interval set for Leq calculation interval When a calculation interval is completed the address is incremented by one step When Timer Auto interval as well as sleep mode are set the unit will enter in standby condition after passing of the time set by the Leq processing interval and having completed data store until next the storing starts Measurement and data store will stop when the en...

Страница 21: ...the keys to select a data file The location of saved data can either be Internal Memory Manual SD Manual SD Auto Lp or SD Auto Leq Without an SD memory card only Internal Memory Manual is available Select a data file and press the MENU ENTER key The file processing screen appears Select Confirm the data and press the MENU ENTER key Refer to the figure above Stored data is displayed Recall screen o...

Страница 22: ...q Pressing the PAUSE CONT key switches back to the menu list screen Pressing the START STOP key switches back to the measurement screen The address and cursor can be changed using the keys The time scale can be changed using the keys Lp store data File name Use the keys to select the address of which you want to display the Lp store data Processing results File name Use keys to select the address ...

Страница 23: ... on the SD memory card are in CSV format Therefore these files can be opened directly in spreadsheet software for example Microsoft Excel The procedure is described below For Auto store data or Timer Auto store data we recommend using RION Data Management Software for Environmental Measurement AS 60 Various files and subdirectories created on the card are described below NL 62 Manual_ NL_001_SLM_M...

Страница 24: ...en Select the folder containing the data file make sure to select All files at file type Select a stored data file displayed in the dialog box and click Open button The dialog box below appears then select Delimited Characters such as commas or tabs separate each field and click Next Select Comma and click Finish Select All files ...

Страница 25: ...24 The selected data file will be opened Manual store data opened in Excel Auto store Lp store data opened in Excel Auto store Leq store data opened in Excel ...

Страница 26: ...m the menu list and select Delay Time The delay time is selected from OFF 1 3 5 or 10 sec and set to it Set the other required measurement and data store parameters Return to the measurement screen Delay time will display on the screen at the upper right Press the START STOP key to start the measurement Measurement will start after the preset delay time has elapsed 遅延時間の設定 Set delay time Standby f...

Страница 27: ...a measurement and press the key again to resume the measurement Back erase The Back erase function makes it possible to exclude data from processing for an interval of several seconds 1 3 or 5 second s before the PAUSE key was pressed Resume the measurement Measurement start Data exclude interval PAUSE CONT Press the key Resume the measurement PAUSE CONT Press the key Measurement start Data exclud...

Страница 28: ... is available BE will be displayed on the screen at upper center is Back erase time Press the START STOP key to start a measurement When PAUSE CONT key is pressed while performing a measurement the previous data is removed for the preset Back erase time Refer to the figure below When the Back erase function is applied the Time Level screen is convenient To display the Time Level screen press the D...

Страница 29: ...ore from the menu list and select Store Mode Select the Auto or Timer Auto mode When the store mode is Manual the Marker function is not available Set the other required measurement and data store parameters Press the START STOP key to start a measurement When the Marker function is to be used the Time Level screen is convenient To display the Time Level screen press the DISPLAY key When the marke...

Страница 30: ...ighted equivalent continuous sound level LCpeak C weighted peak sound level LZpeak Z weighted peak sound level LAIeq I time weighted equivalent continuous sound level LAtm5 Tact max A weighted sound level LAImax Maximum I time weighted sound level Procedure to set the Sub channel Set the Sub Channel Setting to ON in the Measure screen from the menu Set the Frequency Weighting and Time Weighting of...

Страница 31: ...in the Ly column The instantaneous values Lp of sub channel are not stored even though the sub channel setting is set to ON Thus the instantaneous values Lp of the sub channel are not displayed when you try to recall the Auto stored data However the additional processed data are saved in the Ly column of the main part of the stored data and you can see the Lp data only on a PC only when the Lp sto...

Страница 32: ...ressure waveform is recorded at a pre set fixed interval 10min 1h Total mode 4 Total recording In Auto store mode the sound pressure waveform is continuously recorded during the measurement In Manual store mode the sound waveform is recorded during the entire measurement and stored after finishing the measurement Sampling frequency The sampling frequency can be chosen from 48 kHz 24 kHz and 12 kHz...

Страница 33: ...ng mode and number of recorded files The recording mode and the number of recorded files during measurement are shown The selected recording mode is expressed by a letter symbol M stands for Manual recording L stands for Level recording I stands for Interval recording T stands for Total recording The name of the recorded file under measurement is expressed as a code of 4 digits Manual recording le...

Страница 34: ... Store destination folder Files are saved in the sub folder SOUND which is created in the store folder specified by the store name Example Manual_0123 SOUND with Manual store Auto_0123 SOUND with Auto store File name of waveform recording data ...

Страница 35: ...ess the START STOP key or press the PAUSE key several times to return to the measurement screen Press the START STOP key to start the Auto store operation When you press the MENU ENTER key waveform recording starts including the data from a set pre time before this point When you press the MENU ENTER key again recording stops The operation principle of manual recording is shown below Note The maxi...

Страница 36: ...rn to the measurement screen Press the START STOP key to start the Auto store operation When a signal higher than the preset trigger level is measured waveform recording starts including the data from 1 second before this point Recording stops when the signal falls below the trigger level after a fixed post recording period of 5 seconds If the level rises again above the trigger level during these...

Страница 37: ... hour When the maximum recording time is set to 10 minutes recording will stop after 10 minutes also when sound still continues to exceed the trigger level for a longer time such as the sound of an idling car This is helpful to prevent unnecessary use of SD memory card capacity ...

Страница 38: ...r Timer Auto and make the required setup Make settings in the wave recording screen as shown below Press the START STOP key or press the PAUSE key several times to return to the measurement screen Press the START STOP key to start the Auto store operation Waveform recording will start at the preselected intervals and with preselected recording times To stop the measurement press the START STOP key...

Страница 39: ...creen as shown below Press the START STOP key or press the PAUSE key several times to return to the measurement screen Depending on the store mode the operation method is as follows In case of Manual store Press the START STOP key to start a measurement and press the START STOP key again to stop To save the measurement data and recorded wave data select Store data on the data save confirmation scr...

Страница 40: ...Data recovery If an unexpected power failure occurs the data may be damaged In such a case turn the unit on without removing the SD memory card since the unit is equipped with a data recovery function However please note that the recovery of all data is not guaranteed Formatting on a computer cannot recover the data Example In the case of Lp 100 ms the data of approximately up to the last 100 minu...

Страница 41: ... can be performed using batteries only The operation procedure is as follows Press the MENU ENTER key to bring up the menu list screen Select System Language and Eco Setting in the menu list screen In the confirmation screen select YES to execute the eco setting When the eco setting is executed the settings of the following items are changed automatically as follows Sub channel setting OFF Backlig...

Страница 42: ...41 10 Menu lists 10 1 NL 62 menu list items 10 2 NX 42WR menu list items ...

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