To display an orbit diagram
If you mount two calibrated transducers at 90° to each other, you can use the analyzer
to display an orbit diagram. This measurement is possible only if your analyzer is
equipped with Option 1D0.
1 Connect the horizontal transducer to channel 1 and the vertical transducer to channel 2.
2 Initialize the analyzer.
Press [
Preset
][
DO PRESET
].
Set up your tachometer parameters, as described in “To characterize a tachometer
signal, ” but ignore that task’s instruction to preset the analyzer.
Calibrate your transducers, as described in “To calibrate a transducer,” but ignore that
task’s instruction to preset the analyzer.
Press [
Inst Mode
][
ORDER ANALYSIS
].
Press [
CHANNELS 1 2
] (or [
CHANNELS 1 2 4
]) to highlight 2.
Press [
Disp Format
][
SINGLE
].
Press [
Meas Data
][
ORBIT 2/1
].
Option AY6
Agilent 35670A
Measuring Rotating Machinery Operator's Guide
1-20