Bird Technologies APM-16 - Manual (Page 13)

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Chapter 1 Introduction
The Bird APM-16 is an insertion wattmeter designed to measure RF power and
load match in 50 ohm transmission lines. It has a maximum VSWR of 1.05 for
frequencies up to 1000 MHz. The meter provides direct readings in watts with
an expanded linear scale for easy reading. The scale is graduated for 25, 50, and
100 full scale. Elements are available in a variety of power and frequency ranges
(See the Bird Electronic Corporation Catalog for details).
Description
The Bird APM-16 is portable and rugged, with an aluminum housing. For addi-
tional protection, the microammeter is specially shock mounted. Bumpers on
the base and back allow the meter to stand or lie flat. Refer to Figure 1 to
identify components.
At each end of the line section are Bird Quick-Change RF connectors that may be
interchanged with any other Bird “QC” connector. The wattmeter housing does
not interfere with connector changes.
Figure 1 Outline Drawing