This information is required for Winder vibration form (under Trends & reports in the section MONITORING).
1. Introduction
The MTN/VM220 Vibration Meter is a rechargeable, portable instrument designed to operate with a constant current type accelerometer to provide accurate vibration measurements.
Image 1: Vibration meter
2. Preparation for use
Carefully remove the instrument from the packaging and ensure that all supplied accessories correspond with the delivery note.
Image 2: Packaging with accessories
3. Buttons and display
The display shows two measurement values:
- Vibration value
- Crest factor
and additional information such as measurement mode, low pass filter, calculation mode, etc.
Image 3: Display
Buttons with their functions:
Image 4: Buttons
4. Charging
Connect to mains with the correct adaptor for your region and connect the mini USB in the MTN/VM220. The unit should reach full charge within four hours.
Image 5: Connections
The meter will automatically turn-off after 15 minutes of inactivity.
Image 6: Battery status
5. Sensor connection
The sensor cable can be connected/disconnected at any time.
Once fully charged, briefly press the power button to switch on the unit.
Image 7: Sensor connection
Mount the MTN/MM001 magnet accessory to the MTN/2100-X probe.
Image 8: Magnet accessory
6. Settings
Use the buttons ⮉ ⮋ and select the wrench symbol.
Press ➲ to enter the SETTINGS menu.
Image 9: Settings menu
Use the button ⮈ to return to the main menu.
6.1 Setting units
Use the buttons ⮉ ⮋ ⮈ ➲ to navigate to UNITS and press OK to select.
Image 10: Setting menu, select UNITS
Use the buttons ⮈➲ to choose between acceleration (A), velocity (V), displacement (D).
Make sure measurement mode velocity (V) has units set to "mm/s".
Image 11: Units menu
6.2 Setting measurement mode
Use the buttons ⮉ ⮋ to switch between the measurement modes.
The current mode will be highlighted.
Make sure to select the Velocity mode.
| Symbol | Mode |
| A | Acceleration mode |
| V | Velocity mode |
| D | Displacement mode |
 | Memory recall mode |
 | Settings |
Table 1: measurement modes
6.3 Setting calculation mode
Use the buttons ⮈➲ to switch between RMS, peak-peak and 0-peak displays.
Make sure to select the RMS calculation mode.
Image 12: calculation mode