Alternative energy power systems, components and design assistance.
JATS Alternative Power Company
Advanced Energy Group authorized dealer
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WATTS UP? POWER METER

Measures instant watts and continuous wattage so you know how much power a particular device requires during start-up as wll as over a period of time.

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) which is what utilities charge for. 
 

SPECIFICATIONS

  • 120 VAC, 60 Hz, 15 amps continuous
  • 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
    Accuracy is of the displayed value, not the range. Some devices claim a smaller number for accuracy but it refers to the range. For instance, a specification of 0.2% of the range sounds good, but it is actually 3.6% of the display (.02 * 1800 = 3.6), which is a worse accuracy. 
  • RS232 interface (PRO). A USB to RS232 

    •     adapter is available
  • Mains supply voltage fluctuations not to exceed 

    •     +/- 10% of the nominal voltage
  • Rate can be entered from $0.001 to $2.00 per 

    •     kilowatt hour, in tenths of a penny
  • Input is via 6' electric cord, output is via outlet on

    •     top of meter
  • Indoor use only 
  • Dimensions: 7" x 4" x 2" (18cm x 10cm x 5cm) 

    • Weight: 1.5 lbs (0.7 kg) 
     

    For UL rating 

  • Watts up? is UL listed to standard 3111-1
  • Altitude up to 2000 meters
  • Temperature 50 C to 400 C
  • Maximum relative humidity 80% for temperatures 

    •     up to 310 C decreasing linearly to 50% relative 
        humidity at 400 C
    Installation Category II

     

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