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Vibration Meter : Extech 407860 GREEN

Vibration Meter : Extech 407860

Acceleration (peak): 656ft/s2 (200m/s2),
Velocity (peak): 7.87in/s (200mm/s)
Displacement (peak-to-peak): 0.078in (2mm)


    • Vibration sensor with magnetic head
    • The sensor cable is 100 cm long.
    • Frequency range 10Hz to 1kHz
    • Accuracy ±(5% + 2 digits)
    • RMS or Peak Value measurement mode
    • Can store 500 data
    • Data hold function
    • Auto power off when not in use
    • Power source 9V battery or 220V AC adapter


      • Acceleration
        Measuring range
        : 2 to 656 ft/s2; 0.5 to 199.9 m/s2; 0.05 to 20.39 g
        Accuracy: ±(5% +2 Digits) @ 80 and 160 Hz
        Calibration point: 50 ft/S2 (160 Hz)
      • Velocity:
        Measuring range: 0.02 to 7.87 in/s; 0.05 to 19.99 cm/s; 0.5 to 199.99 mm/s
        Accuracy: ±(5% +2 Digits) @ 80 and 160 Hz
        Calibration point: 50 mm/s (160 Hz)
      • Displacement
        Measuring range 0.078 inch; 1.999 mm
        Accuracy: ±(5% +2 Digits) @ 80 and 160 Hz
        Calibration point: 0.141 mm (160 Hz)

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


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.


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.


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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