VAST CM-21 User Manual
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VAST CM-21 User Manual

Vibrometer
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Vibrometer CM-21
User Manual
2015

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Summary of Contents for VAST CM-21

  • Page 1 Vibrometer CM-21 User Manual 2015...
  • Page 2 Vibrometer CM-21 User manual...

  • Page 3: Table Of Contents

    Vibrometer CM-21 User manual Vibrometer CM-21 is a portable battery powered device used for condition monitoring purposes. It allows measurement of a number of parameters like vibration, temperature, rotation speed, etc. Contents Uses ............................5 Vibrometer set ......................... 5 Specifications .......................... 6 Using the CM-21 ........................
  • Page 4 Vibrometer CM-21 User manual...

  • Page 5: Uses

     Temperature measurements with integrated pyrometer  Audio monitoring of the vibration signals from the vibration sensor with earphones The functions of the Vibrometer CM-21 may be extended with further firmware updates. 2 Vibrometer set The Vibrometer is supplied in the following set: №...

  • Page 6: Specifications

    Vibrometer CM-21 User manual 3 Specifications Vibration measurement range:  acceleration, m/s 0,1 - 1000  velocity, mm/s 0,1 - 1000  displacement, um 1 - 10000 Vibration frequency range, Hz 2- 2000 2 - 1000, Frequency bands for vibration measurements according to...

  • Page 7: Using The Cm-21

    3.5mm adapter from the advanced kit or special earphones. This connector is also user for communication with host computer using USB cable from the advanced kit. This connector is also used for charging the CM-21 with mains supply (charger) or host computer USB port Tacho Tachoprobe connector.

  • Page 8: User Interface And Operation

    Vibrometer CM-21 User manual 4.1 User interface and operation All the controls of the CM-21 are located on the front panel along with the display. Control button Function Notes On\Off button Press and hold button for on- off operation. Once the CM- 21 is switched on is starts the measurement in the last setup.

  • Page 9: Charging The Cm-21

    To charge the battery - connect the charger to the computer connector of the CM-21 and plug the charger to the mains supply. The CM-21 will switch on automatically and in the top left corner...

  • Page 10: Switching The Cm-21 On

    4.3 Switching the CM-21 on. Use the On button to switch on the CM-21. Press the button and hold it for a few seconds until the CM-21 will switch on. To switch off the CM-21 press the On button and hold it until the instrument will switch off.

  • Page 11: Saving Measurement Results

    Note – the measurement results in the basic mode cannot be unloaded to the computer – they can be reviewed on the screen of the CM-21 only. To be able to unload measurement results for trending use the route map measurements – data collector mode.

  • Page 12: View Saved Measurement Results

    – Vertical, Horizontal, Axial, columns are for measurement points for the Machine. You can have up to 99 Machines in the CM-21 navi system, up to 12 Measurement points for each machine and 3 measurement Direction for each Point .

  • Page 13: Setting Up The Cm-21

    To do this you need to: 1. Use the Menu button on the CM-21 in the basic operation mode, select by the Up and Down cursor keys the Setup menu and press Enter function key 2.

  • Page 14: Setting The Bandpass Filter

    To set up the appropriate filter: 1. Use the Menu button on the CM-21 in the basic operation mode, select by the Up and Down cursor keys the Setup menu and press Enter function key 2. In the Setup menu select the Bandpass filter function and press Enter key 3.

  • Page 15: Setting The Magnitude Value

    To set up the appropriate readings: 1. Use the Menu button on the CM-21 in the basic operation mode, by Up and Down cursor keys chose the Setup menu and press Enter function key 2.

  • Page 16: Alarm Levels Setup

    When the measured value exceeds the threshold the alarm will be displayed on the screen To set up the appropriate alarms: 1. Use the Menu button on the CM-21 in the basic operation mode, select by the Up and Down cursor keys the Setup menu and press Enter function key 2.

  • Page 17: Date-Time Set Up

    (about 20 minutes). It may save battery from the occasional discharge. To set up auto switch off: 1. Use the Menu button on the CM-21 in the basic operation mode, select by the Up and Down cursor keys the Setup menu and press Enter function key 2.

  • Page 18: Measurements

    0.1-1 meters. The shorter the distance, the more precise are the measurements. The basic measurements can be saved to CM-21, but currently can not be unloaded to computer. The basic measurements are described in Chapter 4.4 above...

  • Page 19: Route Measurements

    Each point is identified by corresponding Station, Machine, Measurement point and direction of measurement. The route can contain machines and points only from one station. Once the routes are loaded to the CM-21 you can go to the main Menu and use the Choose Route command to select route for measurements: Here in the first line you the Station name and the route name.

  • Page 20: Rotation Speed Measurements

    Previous data will be lost in this case, Only one measurement result can be stored for the point. Once the Danger or Alert alarm level will be exceeded the CM-21 will present alarm with color and beep sound: To leave he route you go to Menu, Choose route and use the back function key.

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