Watts up™ 57777 Energy Monitor

Watts up™ 57777 Energy Monitor -
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Watts up™ 57777 Energy Monitor

Item Id: 57777
Your Price:
$95.95
Availability: in stock

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Description

The Standard model measures 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 RMS voltage display shows the line quality and voltage dips. Minimum RMS current and minimum watts can be used to monitor variances in appliances that run continuously.

Watts up? measures true power (including power factor). True 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.

  • 18 values displayed
  • Cost displayed
  • World-wide compatible* (100v - 250v, 50/60 Hz requires UO version and depends on cord set.)
  • 1.5% accuracy (see specification for details)
  • Watts accurate to 2-3 tenths, even for 1 watt loads (standby loads)

Specifications

120 v, 60 Hz, 15 amps

Higher ratings of 100-250v, 50/60Hz, and 15 amps require the universal outlet (UO) version. The electronics in the meter are capable of 20 amps but the cord and receptacle have different ratings. Verify the rating on the cordset you are purchasing.

Accuracy: +/- 1.5%, + 3 counts of the displayed value. For loads less than 60 watts, the current and power factor displays will have lower accuracy. However, the wattage and other displays will still be within 1.5% .

Mains supply voltage fluctuations not to exceed +/- 10% of the nominal voltage

Rate can be entered from $0.001 to $85.00 per kilowatt hour, in tenths of a penny

Input is via 6' electric cord (USA style only), 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)

UL listed to standard UL 610010-1, and CAN CAS/C22.2 61010-1

UO version also CE marked

UL certification requires the following statement:

Altitude up to 2000 meters

Temperature 5 C to 40 C

Maximum relative humidity 80% for temperatures up to 31 C decreasing linearly to 50% relative humidity at 40 C

Installation Category II

Measures and records 18 parameters, including: Current Watts, Minimum Watts, Maximum Watts, Power Factor, Volt Amp (apparent PWR), Cumulative Watt Hours, Average Monthly Kwh, Elapsed Time, Duty Cycle, Frequency (Hz), Cumulative Cost, Average Monthly $, Line Voltage, Minimum Volts, Maximum Volts, Current Amps, Minimum Amps, Maximum Amps.

*Some inverters have extremely fast rise times and can damage the electronics. The .Net is recommended if using with an inverter.

* Some loads and environments cause excessive noise, which can corrupt calibration data thus leading to erroneous data. This is typically not a problem. But especially for industrial studies where the data is critical, we highly recommend the .Net. This model has significant hardware and software improvements to reduce the likelihood of errors.

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