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Simply plug any device into Watts up?, and the meter instantaneously displays the wattage being used, as well as the cost, in dollars and cents.
Watts up? provides lots of information yet it is simple to use. Only 6 values are displayed in the main modes. The other information is available in the detail mode. Clear English wording on the LCD is used to describe what is displayed.
Watts up? measures the voltage and current thousands of times a second so it has an incredibly fast response time which enables you to "see the surge" of power when appliances are first turned on. The peak value display captures this surge so it is displayed even if it happens too fast to see live. The minimum voltage display shows the line quality and voltage dips. Minimum current and minimum watts can be used to monitor variances in appliances that run continuously. Watts up? measures true RMS power (including power factor). True RMS power is what utilities charge for, which can be different than a simple voltage and current measurement (this is called "apparent power"). The duty cycle display shows the percent of time a load is above a preset threshold level. For instance, this threshold can be set to 100 watts and with a refrigerator the duty cycle display will show the percent of time that the compressor is running. A high reading may indicate a bad motor or low freon.
Values displayed:
Cost, in dollars and cents
True RMS power
Cumulative power (kwh)
Time
Voltage
Current
Average monthly cost
Average monthly kwh
Maximum voltage
Maximum current
Maximum wattage
Power cycle (PRO)
Power factor
Minimum voltage
Minimum current
Minimum wattage
Duty cycle
Features:
Watts Up plugs into any standard 120 VAC outlet
15 amp circuit breaker for safety
True RMS power measured and displayed
+/- 3%, +/- 2 counts of the displayed value for loads
above 10 watts
+/- 5%, +/- 3 counts of the displayed value for loads
below 10 watts
Two-tier rate structure
Displays cumulative cost in dollars/cents
Displays watts, watt-hours and time
Changes to local electricity rate
Input is via 6' electric cord, output is via outlet on top of meter
Indoor use only
UL listed 3111-1
Applications:
Household lighting
Refrigerators
Air conditioners
All 120 VAC household appliances
Spec Summary:
120 VAC, 60 Hz, 12.5 amps
Accuracy:
+/-5%, for loads above 20 watts
Altitude:
up to 2000 meters/Temperature 41 to 104°F
Maximum relative humidity:
80% for temperatures up to 88°F (31°C) decreasing linearly
to 50% relative humidity at 104°F (40°C)
Watts Up? Portable Watt Meter
