NTN DAT-HV0002 Instruction Manual
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NTN DAT-HV0002 Instruction Manual

Ntn portable vibroscope
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Instruction Manual
NTN PORTABLE VIBROSCOPE
Model No.: DAT-HV0002
NTN Corporation

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Summary of Contents for NTN DAT-HV0002

  • Page 1 Instruction Manual NTN PORTABLE VIBROSCOPE Model No.: DAT-HV0002 NTN Corporation...
  • Page 4 Revision history Revision Date Content of revision First edition December 13, 2019  Apple, and the logos of Apple, iPad and iTunes, are the trademarks of the Apple Inc. registered in the United States and other countries. App Store is a service mark of the Apple Inc. ...

  • Page 5: Table Of Contents

    Contents Introduction ........................7 Outline and features of this device ..................... 7 Necessary equipment ........................ 7 Sales and restrictions in use ...................... 7 SSID ............................7 Install and update of software ....................7 Disclaimers ..........................8 Before using this device ..................... 9 Safety precautions ........................
  • Page 6 5.3.2 Calculating formulas of bearing vibration frequency ............42 5.3.3 NTN bearing registered in application ................43 Regulatory compliance information ................ 44 USA – Federal Communications Commision (FCC) ..............44 Canada – Innovation, Science and Economic Development Canada (ISED) ......44 Caution for exposure to Radio Frequency (RF) radiation ............

  • Page 7: Introduction

    1 Introduction Thank you indeed for purchasing the NTN PORTABLE VIBROSCOPE (referred to “this device” afterward) this time. Please read this Instruction Manual well to use this device correctly before you use it. Moreover, please keep this Instruction Manual carefully in order to refer to it at any time if necessary.

  • Page 8: Disclaimers

    1.6 Disclaimers For operation of the related systems such as software and hardware of this device, the scrupulous  care is taken. However, our company doesn't guarantee at all that there is neither a misprint nor a bug in the program, that there is no error in the bearing data, or that there is no inconvenience which does not conform to the usage purpose of users.

  • Page 9: Before Using This Device

    2 Before using this device 2.1 Safety precautions Please always follow the content of this Instruction Manual. This device is manufactured based on the design that considers customer's safety, but please use it after understanding the following notes very well. Please always follow using conditions such as temperature, humidity etc.

  • Page 10: To Use This Product Safely

    2.1.3 To use this product safely Table 2.2 Instruction on safety (Warning) Warning A person who has a pacemaker shall not use or approach to this device. The pacemaker might malfunction because this device and tablet generate electric wave. This device complies with IP65 protective class, but it shall not be used in places exposed to strong jet liquid, near the combustibles and in the corrosive or flammable atmosphere.

  • Page 11: Operating Environment

    When the battery can not be charged by keeping it in the device, use battery charger for Ni-MH battery. 2.2 Operating environment Please confirm the following tables for the operating environments of this device and tablet. Table 2.4 NTN PORTABLE VIBROSCOPE Item Operating specification Power supply...

  • Page 12: Components

    2.3 Components The packing box contains this device, the magnet, the USB cable 1 piece for each, Quick Instruction Manual, Inspection Report, Warranty 1 sheet for each, and 2 chargeable batteries of size AAA. Figure 2.1 Packing box Quick Inspection Instruction SSID seal Report...

  • Page 13: Handling Of This Device

    3 Handling of this device 3.1 Name of each parts of this device Strap hole (back) USB connector lid Power supply button Nameplate (back) Serial number SSID LED display Vibration sensor Mounting screw (bottom) Screw hole: M6 x P1.0, Depth: 4mm Figure 3.1 Name of each parts Table 3.1 Color and state of LED display lighting Lighting...

  • Page 14: How To Put In And Detach Chargeable Battery

    3.2 How to put in and detach chargeable battery Use 2 chargeable batteries of size AAA (Ni-MH battery) for this device. Moreover, do not use mixed batteries of old/new ones or different types. There is a possibility of causing the breakdown. Insert the battery into this device with correct + - poles.

  • Page 15: Rotational Speed And Direction Of Rotation

    3.4 Rotational speed and direction of rotation This device may not be able to perform FFT analysis when rotational speed of the bearing is extremely low or extremely high from the characteristic reason. Moreover, this device is applicable only for the bearing with inner ring rotation for the detection of abnormality and the abnormality judgment cannot be performed for the bearing with outer ring rotation.

  • Page 16: About Measuring Position

    3.5.4 About measuring position Please fix this device to the place where any part does not exist that possibly attenuate or amplify the vibration such as preload spring or ball bush between this device and bearing to be measured, or where the number of parts is as small as possible.

  • Page 17: Operation For Measurment

    (1) Connect iPad to the Internet. (2) Activate App Store on iPad. (3) After the activation, tap the icon for search and input “NTN” in the search window. After the search, some candidate application are displayed and tap "Get" button of "NTN PORTABLE VIBROSCOPE"...

  • Page 18: Wi-Fi Connection Setting

    4.2 Wi-Fi connection setting Because it is necessary that the Wi-Fi connection between iPad and this device has been established before measurement is performed, turn on the power of this device and tap the “Wi-Fi” button at the lower left on application home screen. Moreover, Wi-Fi connection can also be established by tapping “Wi-Fi” button at the upper left on the screens of "...
  • Page 19 Select the network of this device that is activated from the displayed network. SSID that begins with "NTN" is the network ID of this device. After selection, return to the Wi-Fi setting screen and confirm that the connection status changes to “Connected”, and tap the “Done” button.

  • Page 20: Setting

    4.3 Setting When the measured data is judged or saved, it is necessary to register the measurement point information. Moreover, when judging the bearing not registered in the data base, a special bearing or other company’s bearing etc., it is necessary to register the bearing parameter beforehand.
  • Page 21 (1) New registration of measurement point Tap "Edit" button on the screen of “List of Meas. Point”. Figure 4.9 List of measurement point Tap "+" button on the upper left of the screen. Figure 4.10 Selection of new editing After adding required number of measurement points, tap "Done" button. Added measurement points (Name changes each time.) Figure 4.11 New registration of measurement point...
  • Page 22 To register information on the added measurement point, tap the measurement point name and edit the content. judgment criterion value means items which need Figure 4.12 Edit of information of measurement point 1. Adopting plant name, equipment name, measurement position etc. as the measurement point name makes the history management easy.
  • Page 23 5. FFT judgment criterion value should be based on 1.000m/s and it is changed in accordance with the equipment situation. 6. Select the envelope ON or OFF in accordance with the measurement condition. Select envelope “ON” for vibration measurement of bearings and gears etc., and envelope “OFF”...

  • Page 24: Edit Bearing Specification

    (2) Copy of measurement points By pressing and holding the measurement point name to be copied, Delete, Edit and Copy menus are displayed and the information on the measurement point which has been registered can be copied. Figure 4.15 Delete, Edit and Copy menus of measurement points and the copied measurement point 4.3.2 Edit bearing specification When a bearing parts number other than ones that have been registered beforehand is to be registered, it is used.
  • Page 25 Tap "+" on the upper left of the screen. Figure 4.18 Addition of bearing parts number After adding the required number of bearing parts numbers, tap "Done". Added bearing parts number (Name changes each time.) Figure 4.19 New registration of bearing parts number...
  • Page 26 To register the information to the added bearing parts number, tap the bearing parts number to edit the content. Figure 4.20 Registration of bearing information As the bearing information, input the bearing number and either of bearing parameters or coefficients. When bearing parameters are input, tap “Calculate each coeff.”...

  • Page 27: Measure Without Measurement Point

    4.4 Measure without measurement point This is a mode that operates as a general vibration measuring instrument. The judgment other than ISO-10816, history display and measurement data saving cannot be performed, but the vibration measurement can be performed easily without setting of measurement point information. (1) Tap "Measure without Meas.
  • Page 28 (5) When tapping "FFT" of the result screen of (7) Both of FFT spectrum and time waveform, Measure without Meas. Point, FFT spectrum is after tapping the cursor 1 or cursor 2 at the displayed. When tapping the frequency button bottom of the graph and swiping them on the at the bottom of the screen, the frequency graph, the cross cursor moves.

  • Page 29: Measure With Measurement Point

    4.5 Measure with measurement point This is a mode in which the tendency management can be done by setting measurement point information. Judgment with the set judgment criterion, judgment of ISO-10816, save of measurement result and history display can be performed. The judgment results of the FFT measurement and the OA measurement are the reference result of judging measurements based on the judgment criterion value set by the customer, and does not guarantee the objective state of the bearing to be measured.
  • Page 30 (5) When the measurement is completed, the (6) When the "FFT" button on the bottom left of the acceleration and its frequency of the top 10 of measurement result screen is tapped, FFT the FTT analysis result, as well as judgment spectrum is displayed.
  • Page 31 (9) If there is a saving history of data for the selected measurement point on the screen of Measure with Meas. Point, "FFT Trend", "OA Trend", and "FFT cf." at bottom of the screen become active and the display of the history is possible.
  • Page 32 (11) tendency management (13) Both of FFT spectrum and time waveform, acceleration, speed and displacement of the after tapping cursors 1 and 2 at the bottom of vibration can be performed by using the OA the graph, swiping them on the graph moves Trend.

  • Page 33: History

    4.6 History Tapping “History” on the home screen of the application shows the selection screen of the measurement point, and the saved measurement data can be read. Figure 4.42 Selection of “History” Figure 4.43 Selection of measurement point name By selecting the measurement point name, the measurement data is displayed in the list in the order of saving date and time.

  • Page 34: Csv Output Of Measurement Data

    4.7 CSV output of measurement data The measurement data of each measurement point can be converted into CSV format. 1) Tap the “History” on the home screen of the application. 2) Press and hold the measurement point name desired to output from the displayed list, “Export to CSV”...

  • Page 35: Changing Method Of Vertical Axis Maximum Value Of Graph

    4.8 Changing method of vertical axis maximum value of graph The maximum value of the vertical axis on the graph displayed on the tablet can be changed. (1) When tapping the scale of vertical axis on the graph, the screen where Ymax can be input appears. Figure 4.49 Graph before change Figure 4.50 Ymax input screen Figure 4.51 Graph after change...

  • Page 36: Notes Input Function On Measured Data Screen

    4.9 Notes input function on measured data screen The notes can be input to the measured data screen. (1) Because there is a notes column at the bottom of the table where the measurement result is displayed, an arbitrary character can be input by tapping its column. (2) Irrespective of the number of characters, they can be input either with half-width or full-width forms without limitation.

  • Page 37: Delete Of Mesurement Data On Specific Date And Time

    4.10 Delete of mesurement data on specific date and time Saved measurement data on specific date and time can be deleted. After tap “History” button and select measurement point name, deletion screen is displayed by pressing and holding specific measurement date and time. Figure 4.54 Home screen Figure 4.55 Selection of Measurement point name Figure 4.56 Selection of measurement date and time...

  • Page 38: Import Data Into Pc

    4.11 Import data into PC The measurement data saved in the tablet can be imported into a PC by using iTunes. Here, it is explained on the assumption that iTunes has been installed in the PC you have. (1) Connect PC and the tablet with a cable. (The customer must prepare Apple genuine cable.) (2) Activate iTunes on the PC.
  • Page 39 (5) When selecting "NTN PORTABLE VIBROSCOPE" from the application on the displayed file sharing screen, the document screen is displayed. Figure 4.59 File sharing screen and document screen (6) The measured data that is output as CSV file from the application is in the folder of the measurement point name on the displayed document screen.

  • Page 40: Specification

    5 Specification 5.1 Outside dimensions The external dimensions are described in the figure below. (mm) Figure 5.1 External dimensions...

  • Page 41: Main Specifications

    5.2 Main specifications The main specifications of this device are described as follows. Table 5.1 Main specifications NTN PORTABLE VIBROSCOPE Wireless LAN: IEEE802.11b/g, Wi-Fi Interface conforming Wireless communication mode Infrastructure mode Wi-Fi certification CE (Europe) / MIC (Japan) Installed memory capacity...

  • Page 42: Bearing Parameters And Bearing Vibration Frequency

    5.3 Bearing parameters and bearing vibration frequency 5.3.1 Bearing parameters The bearing parameters which need to calculate the vibrational frequency of the bearing are rolling element pitch circle d (mm) of bearing, diameter D (mm) of rolling element, number Z (pcs) of rolling elements, contact angle α...

  • Page 43: Ntn Bearing Registered In Application

    5.3.3 NTN bearing registered in application The bearing parameters which is necessary for the abnormality judgment of the bearing are registered in the application. The bearing parts numbers (as a guide) registered in the application are as follows. When selecting the bearing to be measured, if you do not know the bearing parts number to be registered, please inquire to our company.

  • Page 44: Regulatory Compliance Information

    The changes or modifications not expressly approved by NTN Corporation could void the user's authority to operate the equipment.

  • Page 45: After-Sales Service

    Please contact to distributor you purchased this product for after sales service and breakdown. NTN repairs this product for free during 1 year from date of purchase by filling in necessary information in “Warranty and free repair provision consent form” and submitting it to us if this product is breakdown by using in accordance with note such as instruction manual.
  • Page 46 Free repair provision NTN repairs this product for free in accordance with this provition if this product is breakdown during warranty period by using normally in accordance with instruction manual. When you request free repair, please contact to distributor you purchased this product.

  • Page 47: Inquiries

    Tokyo Nagoya Osaka TEL: 03(6713)3624 TEL: 052(222)3347 TEL: 06(6449)6715 FAX: 03(6713)3682 FAX: 052(222)3341 FAX: 06(6448)7296 NTN Sales Japan Corporation 〒108-0075 Tokyo TEL: 03(5780)7903 2-16-2 Konan, Minato Ward, Tokyo (on 24th floor of Taiyo Life Insurance Company, Branch FAX: 03(5780)7899 Shinagawa Building) 〒003-0809...

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