Coaxial Dynamics Plug-In Elements are calibrated to exacting specifications to assure interchangeability with one another, with any Coaxial Dynamics and Bird Electronic RF power instrument in the 7/8 in. line size - whether purchased today or 20 years ago. Their calibration is for any 30 microampere full scale meter movement, including Bird Model 43 and Coaxial Dynamics meters, so these elements may be used interchangeably with very good results.

Readily available in several full-scale power ratings from 5.0 Watts to 10,000 Watts and eight frequency ranges starting with 2 to 30 MHz through 1.1 to 1.8 GHz. There are Coaxial Dynamics Plug-In Elements to satisfy most Amateur Radio and commercial RF testing requirements. Element accuracy is maintained by calibrations using RF Power Standards (NIST traceable), supported by more than 30 years of history and experience!

Your confidence in the quality and dependability of Coaxial Dynamics Plug-In Elements is secured with the exacting manufacturing techniques and high tolerances that produce consistent quality and repeatable accuracy from element to element. Each element carries a Coaxial Dynamics Two Year Limited Warranty.

Whether you are monitoring station power, checking antennas, doing bench repairs or just need accurate equipment output readings, Coaxial Dynamics Plug-In Elements,interchangeable with Bird Electronic Corporation elements, provide frequency coverage and power ratings for your Directional Wattmeter. Order your own high-quality Coaxial Dynamics Directional Wattmeters and Plug-In Elements from DX Engineering! Show Less