3.1 Selecting the Measurement Range
32
The measurement range can be set as follows. Auto-ranging (the AUTO range) can also be
selected.
Manual Range Setting
Auto-Ranging
Switching from Autoranging back to Manual range selection
Press again. The range can now be changed manually.
• When the comparator function is turned ON, the range cannot be changed from fixed (it
cannot be switched to auto-ranging). To change the range, turn OFF the comparator
function or change the range from within the comparator settings.
• When measuring certain motor, transformer or coil components, the auto range setting
may not stabilize. In such cases, use manual range selection.
• The measurement target power is given by (resistance value × (measurement current)
2
)
if the measured value is within the measurement range. If the measurement range is
exceeded, the power may reach a maximum value that is given by (open voltage × mea-
surement current). Check the measurement range before connecting the measurement
target.
A rush current of up to 500 mA will flow at the moment the instrument is connected to the
measurement target.
(Convergence time: For pure resistance, approximately 1 ms)
• Refer to "Resistance Measurement Accuracy" (p. 146) for information on each range
measurement accuracy.
3.1 Selecting the Measurement Range
Select the range to use. (AUTO off)
The decimal point location and unit indicator change with each
key press.
Press this while a manual range is selected. (AUTO lights)
The optimum measurement range is automatically selected.
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