IM 701240-01E
5-16
Explanation
Zooming Vertically According to the Upper and Lower Limitsof the Display
Range (Variable)
If you turn Variable ON, you can vertically zoom in or out the displayed waveform by
setting the upper and lower limits of the display range.
ON
You can zoom in on the desired section of the observed waveform by specifying the upper and
lower limits of the vertical axis according to the displayed waveform. In addition, you can widen
the display range to view waveforms outside the display range. The A/D conversion resolution
and accuracy remain the same as those for the original waveform, when the waveform is
expanded/reduced with Variable turned ON.
Zoom
+10 V
–10 V
+6 V
+2 V
+4 V
OFF
The waveform is not zoomed in or out vertically using the upper and lower limit settings. In this
setting, the vertical position (section 5.4), vertical zoom by setting the zoom rate (section 5.8),
and offset (section 5.10) can be changed.
Upper and Lower Limits
You can set the upper and lower limits to the smaller of the two values, ±(10 times the
specified measurement range) or ±2000 V. Make sure the upper limit value (Upper) is
greater than the lower limit value (Lower).
• Below are the ranges on the 701270 (STRAIN_NDIS) and 701271 (STRAIN_DSUB)
according to the range unit.
When the range unit is µSTR: ±30000 µSTR
When the range unit is mV/V: ±15 mV/V
• Up to ±2000000 unit on the 701275 (ACCL/VOLT).
• Up to (offset) ± (measurement range × 3) on the 701280 (FREQ).
• When measuring the frequency: –1500 kHz to 1700 kHz
• When measuring RPMs: –300 krpm to 350 krpm
• When measuring RPSs: –5000 rps to 7000 rps
• When measuring the period: –150 s to 200 s
• When measuring the duty cycle: –500% to 700%
• When measuring the pulse width: –150 s to 200 s
• When measuring the pulse integration: –2.5E+22 to 2.5E+22
• When measuring the velocity: –2.5E+22 to 2.5E+22
Note
If you change the range using the RANGE knob after you set the upper and lower limits, the
measurable range changes even though the range on the screen does not change. If you set the
measurable range smaller than the specified upper and lower limits and start the waveform
acquisition, the section of the waveform exceeding the measurable range may not be displayed.
The measurable range is up to approximately ±10 divisions (around 0) when Variable is OFF.
5.9 Zooming Vertically by Setting the Upper and Lower Limits of the Display Range
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