Bird - The RF Experts
Plug In Elements
All Bird Plug-In Elements are calibrated in accordance with meticulous Bird calibration procedures supported by a long history of mean deviation values to assure adherence to advertised specifications of current instruments, as well as field interchangeability with equipment purchased, used and trusted in all the years since its introduction.
7/8" Plug-In Elements
Elements for 7/8" line sections and wattmeters

1-5/8" Plug-In Elements
Elements for 1-5/8" line sections
3-1/8" Plug-In Elements
Elements for 3-1/8" line sections
4-1/16" Plug-In Elements
Elements for 4-1/16" line sections
6-1/8" Plug-In Elements
Elements for 6-1/8" line sections