Bird Model 43 Wattmeter Radio RF Power Meter + 7 Slugs Used

Bird Model 43 Wattmeter Radio RF Power Meter + 7 Slugs

Condition:

This Bird Model 43 Wattmeter is in good working condition, showing minor wear from normal use. There’s a small engraving near the model plate, and the top of the case has some discoloration from a removed magic marker. The unit includes seven slugs: 10C (10W, 100-250MHz), 10E (10W, 400-1000MHz), 25E (25W, 400-1000 MHz), 100A (100W, 25-60MHz), 100C (100W, 100-250 MHz), 100D (100W, 200-500MHz), and 100H (100W, 2-30MHz).

Here’s what we know about it:

The Bird 43 is a portable RF wattmeter with ±5% full-scale accuracy. It uses interchangeable slugs to measure forward and reflected power in coaxial transmission lines. Features include quick-change connectors, slug compartments, and low VSWR and insertion loss. Ideal for field use or test setups.