Model 43 - Bird Technologies Model 43 THRULINE RF Directional Wattmeters DAI Part# 43N The Model 43 THRULINE ® Directional Wattmeter accurately measures forward or reflected power in coaxial transmission lines under any load condition. Each Model 43 consists of a line section, "QC" (Quick Change) connectors and an indication meter housed in a rugged, corrosionresistant aluminum case. The line section is a high-precision 50 OHMS coaxial air line that inserts between the transm...
