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UNIT button
Press this button to select the measurement units desired.
Press and hold this button for > 5 seconds to switch from metric to imperial units.
Measurement
Acceleration
Velocity
Displacement
HOLD button
Press this button to freeze the measured value in the display. HOLD will appear in the display.
Press the button again to return to normal operation.
REC button
Use this feature to record the maximum and minimum measured values.
1.
Press the REC button to begin recording. The REC symbol will appear on the display.
2.
Press the REC button again to display the MAX recorded value. Both the REC and MAX
symbols will appear on the display.
3.
Press the REC button again to display the MIN recorded value. Both the REC and MIN
symbols will appear on the display.
4.
Press and hold the REC button for >2 seconds to exit the REC mode.
ZERO Adjustment
The meter may not indicate zero (or may indicate within a few digits of zero) with no signal applied
to the meter (no vibration). Although this is usually not a problem, this procedure will bring the meter
within a few digits of zero and improve measurement precision.
1.
Connect the vibration sensor to the meter.
2.
Turn the meter on and set the function to ACC and RMS.
3.
Make sure the vibration sensor is perfectly still (no vibration).
4.
Press and hold the HOLD button for > 5 seconds to allow the display to reach the zero
value.
Metric Units
2
m/s
, G
mm/s, cm/s
mm
4
Imperial Units
2
Ft/s
Inch/s
inch
407860-EU-EN v2.7 3/14
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Do you have a question about the 407860 and is the answer not in the manual?
Questions and answers
This model can be used in construction activities to determine the ground shaking?
The Extech Instruments 407860 Vibration Meter is designed to measure vibration levels in industrial machinery, detecting issues like misalignment, poor balancing, and structural compromises. It provides measurements in displacement, velocity, and acceleration and complies with ISO-2954 standards. However, the manual does not mention its suitability for measuring ground shaking in construction activities, which typically require seismographs or specialized ground vibration monitors. Therefore, it is not explicitly designed for construction-related ground shaking measurements.
This answer is automatically generated
@Mr. Anderson. It is unfortunate. I received the instrument this week, and we plan to use it for ground shaking measurements. However, could you recommend a solution or adaptation for using this instrument effectively? For instance, any specific attachments that would make it suitable for construction activities?