Hotline Electrical Sales & Service

Hotline Electrical utilizes the Radian RD-33 for certifying a 0. 02% accuracy class true three phase test board. The RD-33 will easily surpass the accuracy of any meter test board and thus supplies a unique means by which to provide the boards accuracy certification. The RD-33 supplies a three phase alternative for certifying true three phase test boards. The RD-33 supplies the accuracy needed to properly certify reference standards with accuracies as high as 0. 02%