Other related pages:
  ACR SmartReader Plus 3 for 3-phase current + voltage data logging

   ACR PowerWatch  Mains Power disturbance recorder for checking power quality

   Dent Instruments ElitePro Multi-Phase Energy Data Logger with a wide range of current clamps

If you don't need data logging, but need to measure AC mains power used by appliances, see
   Power-Mate  Watts - Volts - Amps,   Cost Hr - Qtr, - Yr     
       Energy     Greenhouse-Gas generation - Run Time

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Lutron DW-6092    3 Phase Power Analyzer / Data Logger

The Lutron DW-6092 Power Analyser is an economical solution to the majority of straight forward power monitoring jobs.     kts   zcl   dbd

It is easy to operate and has a clear multidata display for results.
The system comes complete with 3 clamps, 4 test leads and alligator clips and a 2G SD card with carry bag.

Data which is saved can be transferred on the SD card directly into excel spread sheets for analysis.
The full kit also includes the SW-U801-WIN PC software and USB interface cable to look at the data directly on the PC in real time.

• Analysis for 3 phase or single phase multi power systems 1P/2W, 1P/3W, 3P/3W and 3P/4W
• Current clamps 200/1200 amps
• Ratio for CT - 1-600
• Voltage 10-600V AC
• IEC1010, CAT III 600V
• Measures Real Power, Power Factor, Phase Angle, Volts, Amps, Frequency
• Measures Reactive and Apparent power
• Data Logging on 2G SD card with integration interval 2-7200 seconds - CSV format readable in Excel
• Real Time Clock

This meter records data to an SD memory card, which can then simply be removed from the instrument and connected to a PC, to access the data in Excel compatible format.
Also included is Esis' plain English instruction sheet for how to create a graph of this data in Excel.

       Brochure on Lutron DW-6092 (pdf file, opens in new tab or window)

DW-6092 Lutron 3PH Power Analyser with data logging -
  FULL KIT complete with clamps, USB cable and PC software:  $1705+GST   10/11
  including 3 current clamps (switchable 200/1200A), test leads and alligator clips,
                2GB SD card for data logging, mains adaptor, soft carry case,
                USB cable and PC software for real time connection

A 2nd Lutron Kit:
DW-6092 DPlot –SET, with DPlot Graphing software:  $1905+GST

This has the same contents as other kit above, with addition of DPlot Graphing Software
    – see Dplot site for details (opens in new tab)