4000 Series Gas Chromatograph

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• Easy-to-use front panel interface with red 5-digit LED display and a vacuum fluorescent display (VFD), driven by microprocessor electronics
• High resolution, accurate readings of concentration
• Versatile analysis with three user-definable analysis ranges
• Microprocessor based electronics
• Two adjustable concentration alarms and a system failure alarm
• Extensive self-diagnostic testing at startup and on demand
• RS-232 serial digital port for use with a computer or other digital communication device
• Analog outputs for concentration and range identification (0-1 VDC standard and isolated 4-20 mA dc)

Series 4000 Overview

All 4000 series units employ the same basic architecture and electronics; however, each analyzer has additional features:

Series 4000 Hydrocarbon Analysers range brochure

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Series 4000 Overview

All 4000 series units employ the same basic architecture and electronics; however, each analyzer has additional features:

Series 4000 Hydrocarbon Analysers range brochure

The post Model 4030 Total Hydrocarbon Analyzer appeared first on Thomson Environmental Systems.

Series 2000 Platform

To contend with the numerous and varied analyzer requirements among industrial users, Teledyne has developed a feature rich, user-friendly platform. The Series 2000 comes with a standard software program incorporating such flexible features as (3) user-programmable ranges, automatic calibration, and customer selectable gas constituents.

Thermal conductivity is a basic property of gases that relates to their ability to conduct heat. Good conductors of heat such as H2 and He, have a high thermal conductivity whereas poor conductors of heat, such as CO2 and Ar, have low values. This ability to conduct heat forms the basis of detecti​on. The Series 2000 analyzes gas compositions by continuously comparing the sample gas with a reference gas (sealed or flowing) of known thermal conductivity. This comparison is performed in a 2 chamber detector cell block. Reference gas occupies one chamber and sample gas the other.​

A pair of temperature-sensitive heated filaments is mounted in each chamber. These filaments are part of a Wheatstone Bridge circuit. Should the sample gas composition change, its thermal conductivity will also change, conducting different amounts of heat away from the sample gas filaments. Since the resistance of the filaments is a function of their temperature, the resistance changes when the sample gas changes.

Any such change results in an imbalance in the Wheatstone Bridge, resulting in an electrical signal proportional to the change. Since the temperature of the filaments is tightly temperature controlled, the Series 2000 provides an accurate measure of any change in the sample gas composition. Teledyne offers this cell design in a variety of wetted parts to contend with corrosive gas streams typically found within the hydrocarbon processing industry.

Sensor Operating Principle

The thermal conductivity sensor measures the concentration of a specific gas between a hot surface resistor and an ambient temperature reference resistor using the thermal conductivity coefficient of the gas itself.

Sensor Description

The sensor structure consists of an integrated heater located on a thin electrical and thermal insulating membrane. Two thin film resistors are used for heating and measuring the temperature of the membrane. Two resistors are integrated on the silicon beside the membrane for the compensation of the ambient temperature changes.

Gases which have a lower density than air (CH4) cause a decrease on the surface membrane temperature. On the other hand, gases with densities heavier than air (CO2) increase the temperature of the measuring resistor.

Options

​C – Integrally mounted auto-calibration valving

H – Stainless steel cell block with gold filaments (for gas streams with H2S)

K – 19″ rack mount for 2000A

L – Gas selector panel for sample and cal gas selection and flow control

N – 220 VAC operation

R – Sealed reference (for filament-based TCD)

2000 Series Thermal Conductivity Analysers

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Speed and Small footprint

With analytical cycles 10 to 50 times faster than traditional chromatographs, the Falcon Series Ultrafast Gas Chromatograph (GC) vastly increases responsiveness for the data consumer in a wide range of lab, process and field applications. Less time spent waiting on results means more productivity and timely control of measured processes. Product output, quality and profitability are increased while field analysis becomes more practical and reliable.​

The Falcon Series GC’s incredible speed inspired a new Ultrafast Simulated Distillation Method. The ASTM D7798 method can perform simulated distillation nearly 6 times faster than the previous method (D2887), with superior repeatability and reproducibility.

The elimination of the air bath column ovens, required for traditional gas chromatography, reduces the Falcon Series GC footprint. Yet the Falcon Series delivers all the functionality of much larger, higher thermal mass, traditional GCs. At 43 cm wide, 22 cm deep, 28 cm high and 11 kg, the Falcon Series offers advanced analytical chemistry in a highly compact, versatile package.​

The smaller size of the Falcon Series GC means more efficient utilization of space and, ultimately, bigger profits for the user. The small Falcon Series footprint allows for higher installation density in the laboratory and enables process installation schemes that place the analyzer much closer to its sampling point in the plant. Closer proximity means less sample lag time as well as more representative measurements for process control. This also makes hand carried and vehicular transport applications far more feasible.​

Smarter

Using modern computing with standard operating systems and software, the Falcon Series GC frees valuable technical resources from the daily grind of interpreting and validating chromatographic results. State-of-the-art Chromperfect® GC operating software is built in and LineUp software virtually eliminates misidentification of components and drastically reduces the need for expensive calibration sample runs. Less time spent calibrating the analyzer means more time spent on more economically valuable diagnostics, most notably measured process deviations from the set-point. In addition to Chromperfect®, Infometrix Pirouette® is an optional software that may be added to enable interface with process automation.​

Easier

Teledyne’s patented direct heating of the temperature-programmed column modules allow the Falcon Series GC to avoid the complicated and troublesome valve schemes used in isothermal process analyzers and many lab gas chromatographs. The Falcon Series GC’s patented overall modular design also makes diverse application engineering and maintenance easier, as column and detector modules are readily changed out as needed.​

Correlation between laboratory systems and online process control systems become realistically possible with the Falcon Series system, because both physical packages use the same measurement principle, hardware and methodology. Applying the Falcon Series GC in-lab and online means less time spent reconciling lab and process measurements and validating which result is correct. More time can be spent working on valuable, direct process optimization.

Greener

Whether in the control laboratory, online in the processing plant, near line in the pilot plant or when transported for field measurements, by consuming less than 300 Watts in operation, the Falcon Series GC uses about 1/10th of the power of traditional GCs.​

With analytical cycles that are many times faster and the low electrical load needed for operation, the Falcon Series GC’s power consumption per analysis is 1% or less of the energy required by traditional gas chromatography. Combine these savings with the reduction in workload for air conditioning systems and the Falcon Series solution is greener still. The Falcon Series product life cycle environmental impact from manufacturing throughout its useful lifetime to disposal is far less than traditional GCs.

The Result​

Faster, Smaller, Smarter, Easier, Greener = better quality, increased productivity, profitability and versatility, with far less hassle and environmental impact. That summarizes the business concept for the ultrafast, compact, ultra-user friendly, energy efficient, highly durable, practical, reliable and economical Falcon Series Ultrafast Gas Chromatograph.​

Falcon GC Brochure

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