Bird 4521. The 4251 includes a precision line section and the one 3-scale analog meter which give full-scale direct readings from 100 mW to 10 kW. Wattcher Series RF Monitors.
Bird 4521 single element line section panel meter. Bird 4521 single element line section panel meter. Sparklenoses filling cabinet and find one but it.
4521 Panel Mount RF Wattmeter is a single element socket and single meter unit.
Its designed for power measurement in CW and FM systems that employ 50-Ohm cable or 78. Gonnigan and Abby try to think of how they can wake him up when Gonnigan remembers he wakes up to the sound of an alarm clock. Available in a variety of power and freque ncy ranges see the Bird Electronic Cor-poration Catalog for details. The 4251 includes a precision line section and the one 3-scale analog meter which give full-scale direct readings from 100 mW to 10 kW.