Bulk Gas Purity Archives - Thomson Environmental Systems https://thomsongroup.com.au/product-tag/bulk-gas-purity/ Thu, 26 Jun 2025 04:14:00 +0000 en-AU hourly 1 https://wordpress.org/?v=6.9 https://thomsongroup.com.au/wp-content/uploads/2022/03/cropped-TES_favicon-32x32.png Bulk Gas Purity Archives - Thomson Environmental Systems https://thomsongroup.com.au/product-tag/bulk-gas-purity/ 32 32 4000 Series Gas Chromatograph https://thomsongroup.com.au/product/4000-series-gas-chromatograph/ Thu, 22 Jun 2023 23:17:29 +0000 https://thomsongroup.com.au/?post_type=product&p=20015 The 4000 Series GC leverages state-of-the-art Chromperfect® operating software to virtually eliminate mis-identification and drastically reduces the need for expensive calibration sample runs. It also spends less time waiting on results which means more productivity and timely control of measured processes. The modular design of the 4000 Series GC allows for diverse application engineering and […]

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]]> The 4000 Series GC leverages state-of-the-art Chromperfect® operating software to virtually eliminate mis-identification and drastically reduces the need for expensive calibration sample runs. It also spends less time waiting on results which means more productivity and timely control of measured processes. The modular design of the 4000 Series GC allows for diverse application engineering and makes the maintenance easier, as column and detector modules are readily changed out as needed. Along with being faster, smarter and easier than traditional chromatographs, the 4000 Series comes with the following capabilities.

  • Single column module lengths up to 16 meters
  • Dual column module with units 32 meters total length
  • Dual detector configurations
  • Dual column heart cut configurations​.

Chromperfect® Seven™

Chromperfect® Seven is a new PC-based data system designed to meet the needs and budgets of smaller laboratories. It offers much more than expensive competitive systems and shares the same core software as any other Chromperfect® system. It has a fully featured system with ease of use at the forefront of the product’s innovative design.​

    • Easy to set-up, learn and use
    • Flexible and powerful data acquisition
    • Freedom to choose how many chromatograms are displayed and analyzed at a time
    • Fully documented methods, sequences and reports, including instrument run logs
    • Fully integrated System Manager which offers complete control over user privileges and system access​.

4000 Series Gas Chromatograph

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]]> Model 4020 Total Hydrocarbon Analyzer https://thomsongroup.com.au/product/model-4020-total-hydrocarbon-analyzer/ Thu, 22 Jun 2023 22:49:56 +0000 https://thomsongroup.com.au/?post_type=product&p=20013 The Model 4020 uses a field-proven FID detector to measure THC in various streams. This instrument is ideal for monitoring hydrocarbon contamination in high purity bulk gases. When coupled with Teledyne’s unique separation column, the 4020 is also diverse enough to be applied in hazardous locations for detection of volatile hydrocarbons in cooling water for […]

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]]> The Model 4020 uses a field-proven FID detector to measure THC in various streams. This instrument is ideal for monitoring hydrocarbon contamination in high purity bulk gases. When coupled with Teledyne’s unique separation column, the 4020 is also diverse enough to be applied in hazardous locations for detection of volatile hydrocarbons in cooling water for process leak detection and environmental compliance.

  • 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:

​4020 Total Hydrocarbon Analyzer Uses FID to measure total hydrocarbons in ppm in a sample gas stream
​4030 Total Hydrocarbon Analyzer Basic 40​​20 with sample system at a higher temperature for heated applications
Avoids condensation of the sample
4040 Methane / Non-Methane Basic 4020, plus temperature-controlled sampling system with GC column to give accurate readings of both methane and non-methane hydrocarbons in a gas stream
4060 Benzene Analyzer Same as 4040, but used to measure ppb levels of benzene instead of methane/non-methane
​4080 Total Hydrocarbon Analyzer Basic 4020 with sample system including stripper to measure total hydrocarbons in an aqueous sample

 

Series 4000 Hydrocarbon Analysers range brochure

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]]> Model 4030 Total Hydrocarbon Analyzer https://thomsongroup.com.au/product/model-4030-total-hydrocarbon-analyzer/ Wed, 21 Jun 2023 06:45:41 +0000 https://thomsongroup.com.au/?post_type=product&p=20009 The Model 4030 uses a field proven FID detector in a heated chamber. The chamber is heated to a high temperature to meet US EPA requirements for VOC emissions monitoring. Series 4000 Overview All 4000 series units employ the same basic architecture and electronics; however, each analyzer has additional features: ​4020 Total Hydrocarbon Analyzer Uses […]

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]]> The Model 4030 uses a field proven FID detector in a heated chamber. The chamber is heated to a high temperature to meet US EPA requirements for VOC emissions monitoring.

Series 4000 Overview

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

​4020 Total Hydrocarbon Analyzer Uses FID to measure total hydrocarbons in ppm in a sample gas stream
​4030 Total Hydrocarbon Analyzer Basic 40​​20 with sample system at a higher temperature for heated applications
Avoids condensation of the sample
4040 Methane / Non-Methane Basic 4020, plus temperature-controlled sampling system with GC column to give accurate readings of both methane and non-methane hydrocarbons in a gas stream
4060 Benzene Analyzer Same as 4040, but used to measure ppb levels of benzene instead of methane/non-methane
​4080 Total Hydrocarbon Analyzer Basic 4020 with sample system including stripper to measure total hydrocarbons in an aqueous sample

 

Series 4000 Hydrocarbon Analysers range brochure

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]]> Model 2020 Thermal Conductivity Analyzer https://thomsongroup.com.au/product/model-2020-thermal-conductivity-analyzer/ Thu, 04 May 2023 04:01:17 +0000 https://thomsongroup.com.au/?post_type=product&p=19958 The Series 2000 represents a complete line of Thermal Conductivity Detector (TCD) based analyzers which can be applied in a wide range of applications and industries. By using field proven filament-based and semiconductor based TC detectors, Teledyne is able to continuously monitor hydrogen and a variety of other gases of interest in either binary or […]

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]]> The Series 2000 represents a complete line of Thermal Conductivity Detector (TCD) based analyzers which can be applied in a wide range of applications and industries. By using field proven filament-based and semiconductor based TC detectors, Teledyne is able to continuously monitor hydrogen and a variety of other gases of interest in either binary or multi-component sample gas streams.

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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