POWER FAILURE DURING A MEASUREMENT PERIOD.
If the power is interrupted during a measurement period an “unplugged” icon will be displayed next to the
activity icon in the top right corner of the screen to inform you of a power failure. Although the meter will resume
what it was doing automatically without loss of data after a power-failure, for best accuracy, if the period of the
power failure is not known, the measurement should be taken again.
When measuring a refrigerator for 24 hours a short power failure will have little effect on the data, but an
extended loss of power could lead to inaccurate data, especially for estimated quarterly or yearly calculations.
To clear the “Power Fail” icon, simply reset the meter by holding down the Run button as
described above in the “starting a new measurement” section.
SCREEN DESCRIPTIONS
In the Cost, G/Gas, and Energy screens, information for the actual, hourly, quarterly and yearly periods is
provided. These values will be displayed and continuously updated once the PML is “Run” or started.
COST SCREEN
Cost values are provided in dollars and cents for the actual, hourly, quarterly and yearly periods. The “actual”
value is the cost to run the appliance since the test was started. The hourly quarterly and yearly values are
calculated from the data collected to date, since the measurement period started. The values are displayed and
continuously updated once a measurement period is in progress.
G/GAS (GREENHOUSE GAS) SCREEN
Greenhouse Gas emission values are given in kilograms for the actual, hourly, quarterly and yearly periods.
The “actual” value is the greenhouse gas emissions released, in kilograms, through the use of the appliance
since the test was started. The hourly quarterly and yearly values are calculated from the data collected to date.
The values are displayed and continuously updated once a measurement period is in progress
ENERGY SCREEN
Energy usage values are provided in kiloWatt-hours for the actual, hourly, quarterly and yearly periods.
The “actual” value is the actual kilo Watt hours of energy consumed by the appliance since the test was started.
The hourly quarterly and yearly values are calculated from the data collected to date. The values are displayed
and continuously updated once a measurement period is in progress
METER SCREEN DEFINITIONS
The meter screen provides technical information, which may be of little interest to non-technical people.
True Power (Watts) – The actual power used, which the energy provider bills you for.
Apparent Power (VA) – The power figure calculated from the sum of RMS Volts x RMS Amps.
Volts – The RMS AC voltage available for supply to the Load.
Amps – The RMS AC current drawn by the Load.
Power Factor – The ratio of True Power to Apparent Power.
Frequency – The alternating frequency of the mains voltage.
When zoomed in, Minimum and Maximum values are logged and displayed for the True and Apparent Power,
also for Volts and Amps. The Min and Max values are only logged during a measurement period
(PML is running) and can be cleared by holding the Run button.
SUPPRESSING UNWANTED SCREENS
If your interest is just cost for example, it is possible to suppress any of the other unwanted screens
from displaying.
When in the RUNTIME mode hold the Menu key until the Set Timer screen is showing, now press and hold the
Menu key again until the Set View screen is showing. Now click the Zoom button to shift between the choices
and click the Run button to Y to display a screen or NO to suppress it. When finished screen selection, click
Menu to exit back to normal. Of course enabling the screens again is simply a reversal of the above steps, but
answering Y (yes) to the screens to be enabled.
