The kits will include everything you will need to install the meters including instructions with pictures, and all the screws to mount the plates, and wires you will need.
The digital meter conversion kit is Bill Eccher's original design. This is the same design except we made a few upgrades to the original design. Bill Eccher helped with the redesign.
You can choose from five colors for the AC meter, currently there are a few choices for the color of the bias meter including LCD, and only red for the main meter for now with blue coming soon.
Coming soon the main meter wil be a dual display with both mutual conductance and plate current readings.
Digital Meter Upgrade for 539B/C Tube Testers
Coming soon the main meter wil be a dual display with both mutual conductance and plate current readings.