Lutron DW6064

Precision DC watt meter.

Features:

• 0.01W resolution, precision Watt meter. 
• LSI - circuit provides high reliability and durability.
• Direct operation.
• DCV input impedance : 10MΩ
  
• Measurement:
  • WATT ( DC ) : 600W x 0.01W/60.000W x 0.001W
    
  • DCV : 60V x 0.01V. 
  • DCA : 10A x 10mA/2A x 1mA.
    
• Low Watt measurement , 60.000 W x 0.001W.
• Fast data logger with 50mS sampling time.
• Data hold , Record ( Max. , Min.)
• Super large LCD, dual display at same time.
• Full function auto range.
• RS232 / USB Computer interface.
• Built-in low battery indicator.
• Built-in backlight easy to readout.
• Power: DC 9V ( 006P ) or AC to DC 9V adapter in.