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Instruction manual 

   

for 

   

Gas Leak Viewer 

   

MK-750ST-E 

 
 
 
 
 
 
 
 

Thank you very much for purchasing our Gas leak viewer MK-750ST-E. 
This  operation  manual  contains  essential  information  and  tips  for  proper 
and  effective  use  of  the  instrument.  Please  read  this  manual  thoroughly 
before  commencing  operation  and  keep  the  manual  in  a  secure  place  for 
future reference. 

 
 

 

 

 
 

 

Содержание MK-750ST-E

Страница 1: ...purchasing our Gas leak viewer MK 750ST E This operation manual contains essential information and tips for proper and effective use of the instrument Please read this manual thoroughly before commen...

Страница 2: ...tiple storage media Furthermore we will not take any responsibilities for loss of memory and or damage to them whatever the reason is Specifications and functions of this product including accessories...

Страница 3: ...ad all to make sure for correct use of the instrument Types of icon Point to be careful about Actions that must be taken Actions that must be avoided Meanings of icon Unspecified general cautions warn...

Страница 4: ...rate the instrument under thunderstorm Avoid water and extraneous substance In case extraneous substance such as metal piece water or any kind of liquid gets inside the instrument turn the power off a...

Страница 5: ...ON The instrument temperature increases due to the heat created by electrical parts inside when it is turned ON Leaving the instrument for long period of time in closed location such as inside of a ca...

Страница 6: ...uch AC adapter or battery charger with wet hands It may cause fire or electric shock Use only genuine AC adapter or battery charger to avoid risk of fire or malfunction In case you notice smoking and...

Страница 7: ...ch as where close to a heater under direct sunlight or in a car on a sunny day If a battery pack becomes excessively hot built in safety mechanism becomes effective and stop recharging and or may caus...

Страница 8: ...and consult with your local doctor immediately In case you cannot fully charge your battery pack in designated time length stop recharging It may cause fire overheating or explosion leading to injury...

Страница 9: ...owings may cause malfunction or damage the instrument Location where water may splash or under rainy weather Location where static tends to be generated Location where extremely high or low in tempera...

Страница 10: ...level 11 4 Menu Configuration screen 11 4 1 Menu 11 4 2 Displaying saved image Image Check 12 4 3 Leak amount display Leak Setting 14 4 3 1 Sound pressure peak value Leak amount display setting Peak...

Страница 11: ...1 How to copy data to a PC 25 7 2 How to detach the instrument 27 8 About leak amount display 28 9 Troubleshooting 30 9 1 If you think there is something wrong with the instrument 30 9 2 Alert message...

Страница 12: ...ears in case the leak location is in loud environment or if there is some distance Also even if it is possible to recognize the leak it is sometimes difficult to know the actual leak spot This instru...

Страница 13: ...sed items The number shown in are the quantities of the item The protector will be attached to the instrument when delivered Wrist strap 1 Battery charger and AC power cable 1 Battery pack 1 Instructi...

Страница 14: ...onal pad 2 Menu button 3 Power button 4 Confirm button 5 Display 6 Mini USB connector 7 Battery lid Battery holder 8 Platform attachment screw 1 4 20UNC 9 Strap hole on 4 corners 10 Ultrasonic sound s...

Страница 15: ...harge a battery pack Charge your battery pack by following the procedures shown below before use Charge your battery pack with enclosed designated battery charger Connect enclosed AC adaptor to the co...

Страница 16: ...t turns on showing the charge level Approximate battery charged levels are shown as below Battery charge level 75 or more Battery charged level 50 or more Battery charged level 25 or more Battery char...

Страница 17: ...the instrument is wearing the protector Take off the battery lid while pulling the lock to the direction shown by the arrow Pay attention to the battery pack direction and insert the pack all the way...

Страница 18: ...g the tab on it Close the battery lid 2 4 How to setup calendar information Default setting of the calendar information on the instrument is set at Japanese standard time Please check your local time...

Страница 19: ...while the instrument is wearing the protector and or the wrist strap Please attach the neck strap before use Take the buckle off Strap it through the hole shown below on the side where the wrist stra...

Страница 20: ...e torn if you pull too hard Use dry and soft cloth when you clean the strap When the strap is heavily stained wipe it clean with wet cloth and then finish it up with clean dried cloth Never use benzen...

Страница 21: ...the power ON Wait a while if you see the boot up screen shown below If you see the measurement screen such as the one shown below then the instrument is ready This instrument immediately switches over...

Страница 22: ...the power OFF and fully charge the battery Furthermore you can return to previous screen by pressing any of the buttons other than Power button When you notice your battery charged level is low please...

Страница 23: ...c 2 Button description Button Operation Function Shows you an image that was saved one before the displayed image Shows you next image In case the instrument is showing the very last image then it sho...

Страница 24: ...done for certain amount of time It reappears when you operate again In case the instrument is unable to find certain file then it shows an alert message E001 Please refer to 9 2 Alert message list p...

Страница 25: ...t screen if you turn Peak Value Window ON Default setting is OFF 4 3 2 Leak amount display unit setting Leak Unit The unit used for displaying leak amount can be configured Default is L min Selectable...

Страница 26: ...rument shows count down from 30 seconds before the power turns OFF Automatic Power OFF function does not work on measurement screen Automatic Power OFF time length can be selected from the followings...

Страница 27: ...s to Year Use direction pad and and move the cursor to where Year Month Day Hour and Minute you wish to change and use direction pad and to change the values Press button to confirm and make the chang...

Страница 28: ...urement target 5 1 Measurement screen display sound pressure map 1 Displayed information Sound pressure map represents loudness of sound in color based on the sound peak max value of ultrasonic wave S...

Страница 29: ...urable ratios are 10 20 30 40 50 and 100 Default is 10 K Threshold coefficient Displays configured threshold coefficient Configurable values are 0 and every 0 2 between 1 0 and 9 8 Default is 2 4 G Ga...

Страница 30: ...will be the item to be shown at first However all configured settings are saved Measurement distance Distance Able to configure distance to your measurement target Measurement distance is used for le...

Страница 31: ...an configure threshold coefficient to judge whether it is leak sound source or not In case the sound source is smaller than the configured threshold coefficient then it will not be displayed on the sc...

Страница 32: ...nd pressure peak with its sound pressure map image camera image and measurement data while you hold the shutter button Peak hold function 5 5 Precautions for measuring 1 Ultrasonic wave has strong cha...

Страница 33: ...mapdata jpg 3 Sound pressure map data file File name yyyy mm dd hh mm ss _info csv This file is saved as CSV formatted text file of the information when the file was saved and sound pressure map Sound...

Страница 34: ...one or delete all images at once 6 3 1 Delete from Image Check Press while you are in measurement mode to show the menu Move the cursor to Image check and press Press again then the message Delete Thi...

Страница 35: ...or to Yes using the direction pad and press to delete all files The instrument asks you if you are really sure to delete or not so please place the cursor on Yes if you wish to do so and No if you do...

Страница 36: ...u should see the same screen even if you connect the instrument with a PC using the enclosed USB cable while the instrument is ON Be sure to firmly connect the USB cable If not a PC may not recognize...

Страница 37: ...e displayed on your PC Click on Leak Detection You should see the files in SavedData if you click on the folder Please make necessary copies of the files you wish to This instrument data folder is onl...

Страница 38: ...for safely remove hardware and eject media when completed The hardware name is MK 750ST Choose the media MK 750ST to eject Be sure to see the message before you pull out the USB cable The message may...

Страница 39: ...meter hole On the other hand actual leak amount may become two times more with 1 0 mm diameter hole Even larger error can be created depending on the shape where the leak is from 2 Measurement angle D...

Страница 40: ...ncase humidity is lower then the attenuation rate tends to be lower Especially when the surrounding temperature is lower than 5 or the surrounding humidity is lower than 30 this mentioned tendency bec...

Страница 41: ...distorted image Protection plate for the camera is dirty Clean the sensor window with soft cloth and take any dirt off p 36 Cut off value being too high Configure your cut off value lower p 20 The dis...

Страница 42: ...sound sources Try to measure from different angle Abnormal flow amount The unit configured for flow amount is incorrect Change the unit p 14 Incorrect distance to the leak source Reconfigure the dist...

Страница 43: ...ger s operational temperature is between 0 and 40 Please charge in the above mentioned temperature range Continuous operation time is short even with fully charged battery pack The temperature inside...

Страница 44: ...No Alert message Description Refer 1 This message appears when the instrument is unable to find the saved file p 12 2 This message appears when the instrument finds the file corrupted or unable to fi...

Страница 45: ...age appears when the instrument is unable to read configuration file when booted p 11 7 This message appears when the instrument is unable to read the configuration file of threshold coefficient for l...

Страница 46: ...ative for inspection or repair in case reconfiguring does not solve the issue p 16 12 This message appears when it is unable to display battery charged level Reattach the battery pack or exchange with...

Страница 47: ...similar to get rid of any debris and use soft and dry cloth on the sensor gently Do not use wet cloth or shake the instrument 3 How to maintain camera protection plate The instrument is protected by...

Страница 48: ...e duration Approx 3 hours Operational use temperature Between 5 and 55 Humidity 85 or less no condensation Storing temperature range Between 10 and 60 no condensation IP code IP40 Outer dimensions W18...

Страница 49: ...38 Optional accessories list Oscillator MP 161 S001 Neck strap MK 9908 Carrying case MK 9705 Waist bag MK 9706...

Страница 50: ...39 12 Precautions for disposal 1 Please follow your local law and regulations when disposing the instrument 2 Please recycle the lithium ion battery...

Страница 51: ...Hyogo 663 8202 Japan Tel 81 798 66 1508 Fax 81 798 65 7025 e mail honsha jfe advantech co jp Tokyo Sales Office JFE Kuramae Bldg 2F 2 17 4 Kuramae Taito ku Tokyo 111 0051 Japan Tel 81 3 5825 5577 Fax...

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