Bird Electronic Corporation Wattmeter, Thruline
The Bird 4412A Thruline Wattmeter is a precision RF wattmeter designed for accurate measurement of forward and reflected power in 50-ohm coaxial transmission lines. It operates over a frequency range of 450 kHz to 2.7 GHz and can measure power levels from 100 mW to 10 kW, depending on the plug-in element used. The 4412A features a large, easy-to-read meter and is built for rugged field and laboratory use. Its design allows for quick and simple insertion of Bird plug-in elements, enabling versatile operation across a wide range of frequencies and power levels. The meter is portable, requires no external power, and is widely used in communications, broadcast, and industrial RF applications.
