4521 Bird 19 inch Panel Meter single meter (Pull)

4521, Panel Mount RF Wattmeter

Single element socket and single meter unit. It's designed for power measurement in CW and FM systems that employ 50-Ohm cable or 7/8" EIA transmission lines.

The rack panel fits standard 19-inch equipment racks and uses the same elements as the Bird Model 43 Wattmeter which are sold separately.

Depending on the element selected. Forward and reflected power are measured by rotating the element.

Clean pulled from equipment.