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Teledyne 402REU - Hydrocarbon analyzer User Manual

Page 17

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Total Hydrocarbon Analyzer

Operational Theory

2-5

Teledyne Analytical Instruments

chamber against excessive temperature, which may occur if the tempera-
ture controlling system fails.

2.1.8

Output

The electrometer-amplifier output is connected to a span potentiom-

eter, whose slider is connected to a 3½ digit digital panel meter (DPM) a
voltage-to-current (E-to-I) converter, as well as optional output circuits
which may be utilized, such as alarm comparators. Description of optional
circuits employed can be found in the Printed Circuit Board Description
section of Chapter 5.