Bird Model 4391A Wattmeter RF Power Analyst (New)4391A Thruline RF Power Analyst 0.45 MHz to 2.5 GHz (elements sold separately). 1 W to 10 kW. Uses the same plug-in elements as the Model 43. PEP, Dual element, LED, Portable Wattmeter. Bright LED Display, Long-stroke keyboard and range switches. Built-In Power Supply and Charger
The Model 4391A is a Rugged RF Power Analyst that monitors Peak Pulse Power, Peak Envelope Power, or CW Power during normal equipment operations in the forward or reflected direction. Designed for air navigational aids DME, ATC and other pulsed RF systems such as telemetry, radar, command and control, etc.
Internal 115/220 VAC supply and rechargeable battery pack.
Martin RF Supply
Arlington, MA 02474