The DW-6163 Watt Meter is a reliable partner in electrical testing, suitable for measuring real power, true RMS, and power factor. Its precise design and feature-rich interface support various operational needs. Exceptional Features of the DW-6163: 1. True Power Measurement: Measures true power up to 6000 W with a resolution of 1 W. 2. True RMS Measurement: Provides true RMS readings for AC voltage (ACV) and AC current (ACA). 3. Power Factor Measurement: Measures power factor from 0.01 to 1.00 with a resolution of 0.01. 4. Data Hold and Record: Features data hold and maximum/minimum value recording for convenience. 5. RS232/USB Interface: Allows for data transfer to a PC using RS232 or USB interface.