Larson Davis HVM200, Справочное руководство

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HVM200 Reference Manual Setting Up the Measurement 3-1
Section 3 Making Measurements
3.1 Setting Up the Measurement .....................................................................3-1
3.1.1 Performing a Calibration Check ...........................................................................3-1
3.1.2 Selecting a Setup File by Using Your Mobile Device ............................................3-2
3.2 Making the Measurement ...........................................................................3-6
3.2.1 Positioning to Measure Hand/Arm Vibration ......................................................3-6
3.2.2 Positioning to Measure Whole Body Vibration with Seat Adapter .....................3-6
3.2.3 Starting or Stopping the Measurement ...............................................................3-7
3.3 Downloading Data ....................................................................................3-10
3.3.1 Working with RAW Data Files ..............................................................................3-11
3.3.2 Weighting Filters for Raw Data ...........................................................................3-13
This module shows you how to perform a vibration measurement with the
HVM200 Control app and the G4 LD Utility.
3.1 Setting Up the Measurement
In this section:
• 3.1.1 Performing a Calibration Check
• 3.1.2 Selecting a Setup File by Using Your Mobile Device
3.1.1 Performing a Calibration Check
Before you begin:
• A calibration check requires a hand-held shaker, such as the PCB Model
394C06. To view shaker options, go to http://www.pcb.com/Sensor-
Calibration/Portable-Vibration
.
• Set sensitivity values for the x, y, and z axes on the Sensor tab as shown in 2.7
Connecting the Accelerometer .
• If needed, stop the measurement in progress.
Step 1.
Launch G4 or the HVM Control app on your mobile device.
Step 2.
Connect to your HVM200, then click the
Live View
. For help connecting,
see 2.6 Connecting HVM200 to G4 LD Utility .
Step 3. Click the menu icon , then select Cal. Check in the menu that
appears.
FIGURE 3-1
Cal. Check Option