1
Chapter 1
Introduction
Power Meter
The Bird 4421 RF Power Meter is one
component of a complete RF power mea-
surement system. An RF power sensor su
ch as a Bird 4021 is also required.
The system can be contro
lled with the front panel
buttons, or remotely
through an RS-232 connection or a GPIB-488 connection.
Items Supplied
Bird 4421 RF Power Meter
AC Power Cord
Sensor Cable
Instruction Manual
Optional Accessories
Panel Mount Kit (P/N 4421-250):
Allows the Bird 4421 to be installed in a
standard 19" panel for rack mount applications.
Null Modem Kit (P/N 4380-250):
Contains the hardware
necessary to allow
the 4421 to be remotely controlled by
controllers with different wiring
arrangements. Requires an RS-232 interface module.