Digital Power Meter 66203/66204 User’s Manual
4-18
Figure 4-27 Process for Setting Current Range External
1. If any of the channel’s external range is set to Manual, the AUTO
indicator will not be on. In other words, the AUTO indicator is on
only when the external range of all channels is set to AUTO.
2. The external terminal receives the sensed voltage signal from the
external sensor; however, it measures the current signal actually.
Therefore, the warning message is displayed in over current range
or over current protection.
3. If an over range message appears when the range is set to Manual,
press I RANGE to adjust the external range higher. Press once to
increase a range.
4. Press I RANGE continuously can see the measurement range at
present.
CAUTION
The External terminal only receives voltage signal input. The
maximum allowable signal is 100mV. If the signal peak exceeds the
rated input, it could cause hazard and damage the device.
4.6 Setting Measurement Functions
Limit, Meas and DC are three major measurement functions. The details are explained
below.
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