• Press CH1 Sensor and select a sensor or Create
New Sensor if a new one as required (refer to Defining and
Editing Sensors on page 101 for more information).
• Press to return to the Balance Sensor Setup Menu. To
specify a 2nd, 3rd or 4th sensor for dual plane balancing
press to as required and repeat the previous step.
Note: The vbBalancer+ instrument allows full four-sensor
simultaneous monitoring of both horizontal and vertical axes on each
bearing. This ability provides confidence that a balance on any one
axis has not worsened vibrations on the other. The vbBalancer
instrument allows simultaneous two channel dual plane monitoring.
• If you want the instrument to help you determine where to
place your trial weights use the CH Position option on the
left-hand side of the screen (see next topic), otherwise skip
this step and press to return to the Balance Setup
Menu.
CH Position
Note: This item is optional.
CH Position is used in conjunction with Reference Mark. The
instrument uses this information to calculate where on the rotor you
should place your trial weights after taking an initial reading. The aim
is to reduce the initial vibration in order to maximize the accuracy of
the trial weight readings. The instrument will recommend a trial
weight angle based on the following:
• The phase of the initial reading
• The angle between the tachometer and sensor (the CH
Position)
• The angle between the tachometer reflective tape and the
weight reference mark on the rotor (the Reference Mark)
You need to enter both the CH Position and the Reference Mark
Location so that the instrument can calculate the trial weight angle.
See Reference Mark (page 44) for further instructions.
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