Description
Vibration Meter : EXTECH VB500
The VB500 datalogs and stores readings on an SD card in Excel format. Large backlit LCD display simultaneously displays four channels. Selectable data sampling rates of 5, 10, 30, 60, 120, 300, 600 seconds. Remote vibration sensor with magnetic adapter on 39″ (1m) cable. Wide frequency range of 10Hz to 1kHz. Basic accuracy of ±(5% + 2 digits). Featuring RMS or Peak Value measurement modes, Data Hold, and Auto Power Off. Complete with 4 remote sensors, magnetic mounts, 8 x AA batteries, 100-240V Universal AC Adaptor
Technical
- Acceleration: : 2 to 656 ft/s2; 0.5 to 199.9 m/s2; 0.05 to 20.39 g
- Velocity: 0.02 to 7.87 in/s; 0.05 to 19.99 cm/s; 0.5 to 199.99 mm/s
- Displacement: 0.078 inch; 1.999 mm
- Frequency : 10Hz to 1kHz (Vibration)
- Measurement modes: RMS or Peak Value
- Power: AA 1.5V x 8 Adapter 9V
- Dimension: 203 x 76 x 38 mm.
- Acceleration: : 2 to 656 ft/s2; 0.5 to 199.9 m/s2; 0.05 to 20.39 g
What is vibration meter
Vibration is the oscillation or oscillation of objects around the equilibrium point, such as the swing of a pendulum. vibration of water pumps, etc. One industry can use the vibration meter together with other departments. To prevent accidents, whether it is a safety department to measure vibration to indicate the strength of the building structure, a maintenance department to prevent Breakdown, and other departments that have to work with various machines.
Which the vibrations that are beyond normal If neglect There is no inspection until damage. whether it happens to the machine or internal parts The end result is repair costs or breakdowns causing delays in production. The worst is You still have to buy a new machine. The vibration meter can help in inspection and maintenance work. In order to easily know the problem of the machine And there is no need to venture into dangerous areas.
หน่วยการวัดความสั่นสะเทือนหลักๆ มี 3 หน่วยคือ Displacement ,Velocity ,Acceleration
Displacement
often used to measure vibration of the machine cycle from the first moving point How many reference points do you reach? By measuring full wave (Peak to Peak)
It is commonly measured in millimeters (mm) or inches (inch).
used with machines with low rpm, no more than 1200 rpm or vibration with a frequency of no more than 20 Hz. |
Velocity
measure Machine rotational speed measured by RMS
measured in millimeters per second (mm/s).
Use with machines with a speed greater than 1,200 rpm or vibration with a frequency between 20 Hz-1000 Hz. |
Acceleration
measure The change in the ratio of the moving speed per unit time of an object moving at
It is commonly measured in millimeters/second squared (mm/s2).
| measure high-frequency vibrations from 10 kHz and above. |
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