Yokogawa PR300 Power and Energy Meter - Manual (Page 46)

Operation for Display of Measurement Items and Measurement Method
4-5 IM 77C01E01-01E
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4.3 Displaying Measured, Instantaneous, and Maximum/Minimum Values
Example Display and Measuring Ranges of Frequency
The frequency of Voltage-1 is displayed.
Frequency
The following will appear when the measurement is out of range:
: Turns on while the maximum value is displayed.
: Turns on while the minimum value is displayed.
and the measured value blink alternately
Measuring range: 45.0 to 65.0 Hz
How to Switch between Instantaneous Value, Maximum Value, and Minimum Value
• For active power (regenerative power), reactive power, apparent power, voltage, power factor, and
frequency, the instantaneous value, the maximum value, and the minimum value can be switched for
display using the operation keys (
or ).
• For current, the instantaneous value and the maximum value can be switched for display also using
operation keys.
• The maximum and minimum values being displayed are those after resetting the maximum/minimum
value or after turning on the power.
Display of instantaneous value
Display of minimum value Display of maximum value
Minimum
value
Minimum
value Minimum
value
Maximum
value
Maximum
value Maximum
value
Instantaneous
value
Instantaneous
value Instantaneous
value
NOTE
Turn the PR300 off/on by the power supply or perform remote resetting via communication in order to
reset the instantaneous, maximum, and minimum values of measurements.