4410 Series, Plug-In Elements

4410 Series, Plug-In Elements

Specially designed to be used with Bird 4410A and 4412A Wattmeters and 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.