IMV CORPORATION VM-7024H Instruction Manual

Portable vibrometer

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INSTRUCTION MANUAL
Portable Vibrometer: VM-7024H
IMV CORPORATION
Document Number
I s s u a n c e D a t e
V e r s i o n
Pages (Incl. Cover)
TVE-6-3792E
October 3, 2012
1.0.3
36

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Summary of Contents for IMV CORPORATION VM-7024H

  • Page 1 INSTRUCTION MANUAL Portable Vibrometer: VM-7024H IMV CORPORATION Document Number TVE-6-3792E I s s u a n c e D a t e October 3, 2012 V e r s i o n 1.0.3 Pages (Incl. Cover)
  • Page 2 Revision History Date Details May 8, 2012 1.0.0 New Issue July 24, 2012 1.0.1 Corrected Figures and phrases. August, 2012 1.0.2 Corrected Phrases. Oct. 3, 2012 1.0.3 Add the sampling frequency for Data Save...
  • Page 3: Table Of Contents

    Table of Contents 1. Introduction ..........................1 1-1. Panel Description ........................2 1-2. Package Contents ........................3 2. Outline ............................4 2-1. SmartVibro ..........................4 2-2 Features ..........................4 3. Measurement ..........................5 3.1 Before Getting Started......................6 3-2. Measurement Screen ......................7 3-3. Operations during Measurement ...................8 4. Setting............................10 4-1.
  • Page 4: Introduction

    1. Introduction We truly appreciate your purchase. Please read this manual carefully before use and follow the cautions below for your safety. CAUTION 1. If the subject of the measurement could be hot, rotating, or near the movable parts, assure the safety and fix the pickup for measurement. Do NOT hold the pickup manually in these cases to avoid any possible accidents;...
  • Page 5: Panel Description

    1-1. Panel Description Display of the VM-7024H can be switched from Japanese to English, and vice versa. Below figures are example of a display in Japanese and English. Japanese English...
  • Page 6: Package Contents

    1-2. Package Contents Product and Accessories for the VM-7024H (1) Basic Product and Accessories Products Model Note Figure SmartVibro VM-7024H Piezoresistive Acceleration Pickup VP-7000L Type 3m straight cable with SmartVibro Cable CP-7000 metal connectors at both ends. 1.5m cable with a plug at one end.
  • Page 7: Outline

    2. Outline 2-1. SmartVibro SmartVibro is a portable vibration meter with high-sensitivity and accuracy to measure micro vibration of super low frequency. Its application varies widely; measuring and analyzing vibrations, evaluation and maintenance of the ground and/or floor of various architectural constructions, precision machines in the laser and semiconductor industries, and low-speed machineries in energy harvesting and hydroelectric generation.
  • Page 8: Measurement

    3. Measurement AC OUT: AC output of measurement data. DC OUT: DC output of measurement data. Pickup Connector Power LCD Panel: Touch panel display. Backlight Switch Function Button (R): Displays the setting screen, range screen during measurement, etc. Function Button (L): Hand Strap Mount Starts/Stops measurement.
  • Page 9: Before Getting Started

    3.1 Before Getting Started (1) You can select the computing method for velocity, acceleration, and displacement. Refer to the Chapter 4-2 for more details. Initial settings are as follows: ■Acceleration : rms ■Velocity : rms ■Displacement : EQP (Equivalent Peak) If you are familiar with our VM-7000L, EQP setting for the displacement is highly recommended.
  • Page 10: Measurement Screen

    3-2. Measurement Screen Turn on the SmartVibro by sliding an orange switch on the left side of the device. Initial screen (Fig 2) will appear. You can operate the device by using the touch screen and two function buttons. Japanese English Fig 2 Initial Screen (1) Standard Measurement Mode...
  • Page 11: Operations During Measurement

    3-3. Operations during Measurement Touching “Start” on the touch screen or press the function button L in the Figure 2 would start measurement. The screen displays measurement status. (Fig 3) Once you press the same function button or touch the “Hold” on the touch screen would hold measurement and the display.
  • Page 12 Japanese English Fig 4 Display during Changing the Range Touch here to zoom out. Japanese English Fig 5 Enlarged...
  • Page 13: Setting

    4. Setting As shown in the Fig 6, the setting screen will appear when you press the function button R when “setting” is indicated in the function indicator. (Fig 7) Japanese English Fig 6 “Setting” in the Function Indicator Japanese English Fig 7 Mode and Calculation Setting Screen...
  • Page 14: Mode Setting

    4-1. Mode Setting When “Vel.” Is selected for the Mode (Fig 7), the physical amount is shown at the top of the measurement screen. Also, the enlarged screen will show the physical amount accordingly. Japanese English Fig 8 Mode Setting As you touch the button (Vel.) by “Mode”...
  • Page 15 Japanese English Fig 9 Calculation Setting The calculation method selected in the Fig 9 will be displayed on the screen. Japanese English Fig 10 Example of the Setting Screen...
  • Page 16 [Note] Settings of the VM-7000L For the users of the VM-7000L, using the same setting with the VM-7000L is recommended instead of “Peak” setting. Below is the recommended setting of the VM-3024. Model VM-7000L VM-7024H ← Velocity ← ← Acceleration ←...
  • Page 17: Filter

    4-3. Filter You can change the settings of high-pass (HPF) and low-pass filters (LPF). Pressing “Set” would bring you to the screen indicated in Fig 11. By touching the triangles on the screen, you can change the frequency of each filter. Japanese English Fig 11 Example of the Filter Setting...
  • Page 18: Auto Range

    4-4. Auto Range In the setting section, the menu will be switched in the following order as you touch the icon: → → Pressing “Next Page” will lead you to the data save and FFT function setting menu in the page 2. For more details, refer to the Chapter 5.
  • Page 19: Self Check

    4-5. Self Check You can check the behavior of the pickup by using the Self Check shown in Fig 12. Japanese English Fig 12 Setting Page of the Self Check As the pickup has a sensitivity to DC acceleration, You can check the behavior of the pickup by output of waveform through AC OUT.
  • Page 20: Averaging

    4-6. Averaging You can select the conditions of Averaging of the measurement results from Fast, Slow, or Normal. This setting specifies the quantity of data to be used in Averaging. The quantity with the Slow setting will be larger than the Fast setting. Slow setting is recommended to minimize fluctuation of measurement results for the case that low-frequency components dominate the results.
  • Page 21: Sensitivity Setting Of Ac And Dc Output

    4-7. Sensitivity Setting of AC and DC Output Fig 14 will appear as this icon is selected. Japanese English Fig 14 AC and DC Output Sensitivity Setting Page This function set the full-scale value to the AC Output Voltage(1V). Display in the Fig 15 will appear once you press “Set.”...
  • Page 22 Japanese English Fig 15 AC Output Sensitivity Setting Page This function set the full-scale value to the DC Output Voltage(1V). Display in the Fig 16 will appear once you press “Set.” Japanese English Fig 16 DC Output Sensitivity Setting Page Setting method is the same as AC sensitivity setting.
  • Page 23: Battery Setting

    Velocity: 1500 → 150 → 15 →1.5 Acceleration: 30 → 3 → 0.3 Displacement: 150 → 15 → 1.5 4-7. Battery Setting You can go to the next page by touching the “Next Page” indication on the screen. You can go back to page 1 by touching “Next Page”...
  • Page 24: Language Setting

    4-10. Language Setting On page 3, you can select language and check the version. Japanese English Fig 18 Language Setting and Version Information Select “en” for English. Once you restart the device, the display will be changed into English. To choose Japanese, select “jp”...
  • Page 25: Version Information

    4-11. Version Information Firmware version will be displayed as you press the View button in the Fig 118. Japanese English Fig 19 Version Information...
  • Page 26: Battery Indicator

    4-12. Battery Indicator Battery indicator will appear when you press the function button L below “Pwr Info” indication. Japanese English Fig 20 Pwr Info Indication Japanese English Fig 21 Battery Information...
  • Page 27: Fft And Data Dave

    5. FFT and Data Dave VM-7024H is equipped with the FFT and waveform saving functions. FFT: FFT Mode is activated when this tab is selected. Data Save: Data Save Mode Waveform data will be stored in the SD card as plain text.
  • Page 28: Fft Setting

    Japanese English Fig 23 Details of the FFT (1) The cursor, indicated as a black dot on the screen, will move from one peak to another peak. (2) MAX: Maximum value of the gathered data. Cur: Value pointed by the cursor. (3) Slide the cursor.
  • Page 29: Waveform Save

    Japanese English Fig 24 FFT Parameter Setting 5-2 Waveform Save 5-2-1. Waveform Data Save Fig 25 is shown when you select <Waveform Save> icon in the measurement mode. Japanese English Fig 25Data Gathering Start...
  • Page 30 Once you press “Start” on the screen or button in Fig 25, Fig 26 will appear. Japanese English Fig 26 Data Gathering Pressing/Touching “Aq Start” in Fig 26 starts gathering the data. Once it is completed, Fig 27 appears. Press/Touch “Save” to save the data in a SD card. Data will be numbered automatically in series starting from 0000.
  • Page 31 Japanese English Fig 27 Completed Data Gathering At the data storing, the sampling frequency is set to 2048Hz ( not 4096Hz ).
  • Page 32: Data Save Settings

    5-2-2. Data Save Settings Fig 28 is the display of data save setting. Select this icon: Go to page 2, and set the save points. Japanese English Fig 28 Parameter Setting of Data Save Select the time to save the data. You can select from 5s, 10s, 25s, or 50s.
  • Page 33: Conversion Table

    6. Conversion Table Displacement [mm Acceleration [m/s 0.01 0.001 Displacement [mm Velocity [mm/s] Acceleration [m/s Frequency [Hz]...
  • Page 34: Specifications

    7. Specifications 7-1. SmartVibro Sampling Frequency 4096Hz ( 2048Hz for Data Save ) Acceleration: 0.3Hz – 100Hz Velocity: 0.3Hz – 100Hz Frequency Range Displacement: 0.3Hz – 100Hz Note) Max Frequency of Velocity and Displacement is restricted by acceleration limit “20m/s Frequency Characteristics ±5%(16Hz)...
  • Page 35: Troubleshooting

    8. Troubleshooting (1) Over range When the over range icon, , appeared during use, modify the range setting as explained in Figure 4. Over range will be adjusted automatically in the auto range setting. (2) No display Possible causes are following: (A) Battery voltage is below 2.0V.
  • Page 36: Definitions

    11. Definitions rms:Root mean square. This is the square root of mean of the values x , for a set of measuring data x , .., x , namely ISO standard sets RMS of vibration velocity as evaluation criteria of the vibration velocity, which is also known as vibration severity.

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