Watts Up? Power Meter

For Additional Analysis Tools, Choose Watts Up? PRO
For even more information, choose Watts Up? PRO, which offers all the features of the standard Watts Up?, but adds additional analysis tools, like the Payback Calculator, which automatically calculates the time required for a new energy-efficient appliance to pay for itself. Monthly savings are highlighted, and compared to the purchase price of the new appliance. And for even more usefulness, the Watts Up? PRO ES offers extra storage capacity, holding more than 120,000 data points.

Features

• 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)
  
• Main 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

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

Specifications
Manufacturer:	Electronic Educational Devices
Manufacturer Product No.:	Watts Up? Power Meter
Dimensions:	7" x 4" x 2" (18cm x 10cm x 5cm)
Weight:	1.5 lbs (0.7 kg)

Watts Up? Power Meter