1
Chapter 1
Introduction
Power Meter
The Bird 4421 RF Power Meter is one component of a complete RF power measurement system. An RF power
sensor such as a Bird 4021 is also required. The system can be controlled with the front panel buttons, or remotely
through an RS-232 connection or a GPIB-488 connection. See
Figure
1 on page
2
.
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.
