REDUCED PRICE – Bird Model 4391A Thruline Wattmeter RF Power Analyst
$450
For sale is a BIRD Multi-Purpose Thruline Wattmeter / RF Power Analyst, Model 4391A.
This unit is in excellent condition and comes with the case and manual. No elements are included with the power meter. Operation was confirmed using a number of different elements and via the calibration procedure as documented in the user manual – see image of test setup.