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Gas Analyzer | Micro GC - Refinery Gas Analyzer and Natural Gas Analyzer

Gas Analyzer | Micro GC - Refinery Gas Analyzer and Natural Gas Analyzer

Product Code:Micro GC

Need more Info? (514) 354-2511 - 1-800-463-4363

The Micro GC combines micro-machined injectors and detectors and high resolution capillary columns into a compact, modular gas chromatgraph.

It analyzes the individual components in sample gas and provides detailed reports of properties including composition, calorific value and density up to 10 times faster than a conventional GC system. The hardware combined with Data System software and LAN interfacing, provides a powerful system complete with calorific value BTU or Mega Joule/m3) calculations and reporting according to GPA, ASTM and ISO standards.

There is no need to change the detector range to compensate for wide fluctuations in component concentration normally present in gas samples of various sources and types. Analysis of pressurized liquid samples, which are gases under standard temperature and pressure, is possible using optional sample conditioners.

Test Method
Fast and accurate measurement of the composition and heating value of gas is demonstrated using a portable GC. The Gas Analyzer measures the individual components and calculates physical properties such as specific gravity and heating value in approximately 100 to 160 seconds.

Features & Benefits
  • Conforms to ASTM D3588, ISO 6976, and GPA 2172 test specifications
  • Compatible with highly pressurized (liquefied) gases with heated vaporizer accessory
  • Compact size
  • Fixed volume injector on GC gives results with high precision, repeatability, and accuracy
  • Analysis times up to 30 times faster than a conventional GC
  • Modular design for easy maintenance

Conforms to the specifications of ASTM D3588; ISO 6976; GPA 2172
Operating Conditions 0-50°C, 5-95%RH, up to 15,000ft altitude
Column Heater Range Ambient + 15°C to 180°C
Detector Thermal Conductivity (TCD), 240 nL internal volume
Repeatability 0.2%RSD
Linear Dynamic Range 106 ±10%
Electrical Requirements 100-240V 50/60Hz 200VA
Compatible with Helium, Argon (min. input pressure 80±2psig).

Refinery Gas Analyzer
Refinery gas samples are delivered to the sample inlet of the GC after passing through a sample conditioning system, which selectively removes any liquid fractions and particulate matter from the sample.
This ensures that only gas phase sample is delivered to the RGA. An internal vacuum pump draws this conditioned sample into each channel's micro injector, when then injects the mixture onto each of the capillary columns for analysis.

A complete analysis of hydrogen, saturated and olefinic hydrocarbons (C1-C5, and C6+ grouped peaks), plus fixed gases (O2, N2, CO, and CO2) is performed. Precise retention times and component areas translate into accurate component identification and quantification of the individual components present in refinery gas. Four chromatographic modules are optimized and integrated to quickly separate and measure the individual components in refinery gas.

Critical performance parameters such as sample volume, temperature and carrier gas pressure are precisely controlled to produce accurate and reliable measurements independent of ambient temperature and pressure. vaporization for gas introduction into the analyzer.

Natural Gas Analyzer
This analyzer is applicable to natural gas samples from wellhead to pipelinequality gas and Liquefied Petroleum Gas (LPG). Additionally, the analyzer can handle Y-Grade Liquefied Natural Gas (LNG).

Samples are easily introduced using sample cylinders, Tedlar bags or by direct connection to the pipeline or wellhead sampling points. Two chromatographic modules are optimized and integrated to quickly separate and measure the individual components in natural gas.
The analyzer quickly separates and measures the permanent gases and hydrocarbons present using an optimized, dual-channel portable gas chromatograph. This powerful, yet easy-to-use configuration is equally applicable to a wide range of sample types including pipeline gas, wellhead gas, LPG and Y-grade liquefied natural gas. Wellhead samples, or samples taken directly from the gas well, often contain significant amounts of hydrogen sulfide, yet there are no interferences and H2S can be measured from 50 PPM to 30 mol%. The portable GC uses digital signal processing with an expanded dynamic range.

For analysis of LPG, a heated vaporizer provides the backpressure necessary to ensure representative sampling and vaporization for gas introduction into the analyzer.

For Y-Grade LNG, a de-methanized natural gas liquid under pressure which contains significant amounts of C6 plus material, an optional Heated Vaporizer interface is used to maintain sample integrity and provide the heat necessary to ensure complete sample.

Ordering Information
K47300 Refinery Gas Analyzer, 100-240V 50/60Hz


Natural Gas Analyzer, 100-240V 50/60Hz
K47310 Pressure reducer
K47311 Heated regulator for gas sampling
K47320 Refinery Gas Analyzer standard gas mixture
K47210* Coking Bulb Filling Device 1
Pressure reducer
K47211* Control Bulb 1
Stainless steel, with IC thermocouple.
Heated regulator for gas sampling
K47220* Natural Gas Analyzer standard gas mixture
K47230* Laptop Computer



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