The 4274 Series sampler elements are non-directional couplers that replace the standard element in your Bird 43 wattmeter for such applications as RF signal observation
The 4274 Series sampler elements are non-directional couplers that replace the standard element in your Bird 43 wattmeter for such applications as RF signal observation, spectrum analysis or frequency counting and control where main line power does not exceed 500 w. The Model 4274-025 is a wide range device that provides an unrectified signal at about /50 dB ± 2 dB from 25-1000 MHz tapering to -66 dB at 2 MHz.
