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Introduction
Teledyne Analytical Instruments 7
Introduction
Teledyne Analytical Instruments Series 4030 Total Hydrocarbon
(THC) Analyzer is designed to measure the quantity of hydrocarbons
present in a heated sample gas, such as gaseous mixtures or ambient air
in various industrial applications. The Analyzer is a microprocessor
controlled digital instrument based on Teledyne’s highly successful
Model 402R series Total Hydrocarbon Analyzer, coupled with carrier
gas, a switching valve and a sample draw pump (optional). This allows
for the sample into the Sample Loop kept inside a heated SAMPLE
CHAMBER and maintained at a constant temperature in the range of 50
to 120 C as per application. With a 2-position, 10 port switching valve
and Carrier Gas, the sample collected inside the Sample Loop is pushed
inside the Flame Ionization Detector (FID) and analyzed for the THC.
The sample integrity, as it enters the Analyzer, is maintained by
ensuring that condensation does not take place inside the SAMPLE
CHAMER. This is ensured by maintaining a high temperature (50 -
80°C typical) inside the SAMPLE CHAMBER. Also, the sample is
diluted with the Carrier Gas to ensure that once the mixed sample
reached FID, no further condensation takes place.
A separate SAMPLE SELECTOR MODULE unit (optional) may be
provided for use in conjunction with the Model 4030. This allows the
User to bring the heated Sample gas (Max: 120 C) and the Span gas to
the Sample Selector Unit and manually select either Sample or Span for
entry into the Model 4030. The User is responsible for making all gas
connections from the Sample point to the Sample Selector Unit and also
between Sample Selector Unit and Model 4030. The User must also
ensure that gases are heated above the dew point (Max: temp. allowed
120 C) and are cleaned to better than 2 micron filter.
1.1 Main Features of the Analyzer
The Analyzer is sophisticated yet simple to use. A dual display on
the front panel prompts and informs the operator during all phases of
operation. The main features of the analyzer include:
1. Easy-to-use front panel interface that includes a red 5-digit LED
display and a vacuum fluorescent display (VFD), driven by
microprocessor electronics.