"Watt's Up Watt Meter and Doc Wattson User Manuals, Diagrams and Support
"Watt's Up" user manuals: models WU100 & Doc Wattson R102
The "Watt's Up" DC Watt meter user's manual includes examples of DC watt meter applications as well as provides a general electrical tutorial information for its use.
Download the "Watt's Up"/ Doc Wattson user's manuals (in PDF format)
"Watt's Up" / Doc Wattson 2018 user's manual, v2 rev. 1.9 (~1.4 MB).
*** Old *** Manuals
"Watt's Up" / Doc Wattson user's manual, v2 rev. 1.7 (~500 KB).
"Watt's Up" user's manual, v1 Only rev. 1.2a (~430 KB). (Obsolete since 2005)
Determining your meter's version number
The power up screen shows the Watt meter's version number. E.g., for versions 2.1, "Watt's Up" shows: RCE v2.1 and "Doc Wattson" will show: RCE HE2.1.
Also, the instruction card that comes with the model WU100, version 2 has a photo of the "Watt's Up" watt meter on it where version 1 did not.
Advanced technical topics
Our DC Watt meter modifications page discusses some topics that may be of interest to a technical audience. Increasing the voltage range and using with an external 500 Amp shunt are some example topics.
DC Watt meter hookup & connection diagrams
The following wiring diagrams show, graphically, some typical Watt meter and DC amp meter applications.
Many other applications and arrangements are possible.