Table of Contents
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1. OVERVIEW
The Model T200U is a close derivative of the Model T200 NOx
Analyzer. The main differences are as follows.
The T200U is more sensitive at low NOx levels than a
standard T200. The instrument has a user selectable full
scale range of 0-5 PPB to 0-2000 PPB of NOx.
The reaction cell is gold plated. In addition, there is a pre-
reactor, which allows the measurements of any hydrocarbon
interferents in the sample stream.
The sample flow is 1000 cc/min.
The T200U is equipped with a high performance pump,
capable of producing a reaction cell pressure of less than 5
Inch Hg absolute.
Because the T200U is a close derivative of the T200, the Model T200
instruction manual continues to be valid as the reference manual covering
the details of the instrument's components and operation.
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