
Chapter 1
Introduction
This instruction book is intended for use by operators of the Model 6091 and Model
6091P Calorimeter.
This chapter contains introductory information including product specifications;
items supplied; and accessory items available.
Purpose and
Function
The Bird Electronic Model 6091/6091P Calorimeter is a laboratory-grade power me-
ter that accurately measures the average RF power dissipated through an internal
load resistor. The 6091/6091P Calorimeter requires no additional measuring devices
or correction tables.
Model Differences The Calorimeter is available in two different configurations. The Model 6091 is
housed in an instrument case, ready for bench-top use. The Model 6091P is the same
instrument without the component case, ready for installation into a standard
19-inch rack. Refer to figures 1 and 2 for identification of the two models. Except
where noted, operating and maintenance procedures for both models are the same.
1
Figure 1
Model 6091
Figure 2
Model 6091P
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