Methane Gas Analyzer: GPro 500

Methane Gas Analyzer: GPro 500

Tunable Diode Laser for CH4 Measurement

The GPro 500 methane (CH4) gas analyzer is a unique TDL spectrometer designed for direct measurement of methane in syngas and select natural gas measurement applications. It uses a folded-path laser beam design for low maintenance measurement.

Top Performance in Methane Measurement
A CH4 analyzer for challenging applications, the GPro 500 provides reliable measurement in syngas and natural gas measurement applications.

Low Maintenance and Operating Costs
This methane gas analyzer is designed to operate in situ without a maintenance-prone conditioning system, reducing the total cost of ownership.

Easy Installation
The GPro 500 is an alignment-free TDL gas analyzer, meaning that the typical challenges of TDL installation and alignment are significantly reduced.

 

Methane Gas Analyzer: GPro 500
 

TDLCO2/CO Gas Analyzer Frequently Asked Questions

Why use a TDL sensor for measuring gases?

TDLs have many advantages over other gas measurement technologies. Firstly, they are in...

Why use a TDL sensor for measuring gases?

TDLs have many advantages over other gas measurement technologies. Firstly, they are installed in situ in the process pipe or vessel so are exposed directly to the gas and therefore measure immediately. Some other analyzers measure a sample of gas that has been extracted and conditioned, which takes time and increases risk. Secondly, TDLs are immune to the presence of other gases in the process and will only measure the target gases. Thirdly, they are extremely reliable and require practically zero maintenance.

 

Are TDL CO2/CO sensors easy to install?

That depends on the design. Once the insertion point has been selected it’s a matter of fitting one or two flanges and a temperature and pressure sensor. Most TDLs are of a cross-stack design, meaning that they’re comprised of two parts (laser source and receiver) that sit opposite each other in the pipe or vessel. The two units have to be very carefully aligned which can be problematic. The GPro 500 has both parts installed in the same unit. The laser source is reflected by a three-sided mirror and is directed back to the receiver. Therefore, no alignment is required. Watch our video on easy installation.

 

How can a CO/CO2 TDL reduce costs?
Unlike other gas measurement technologies, TDLs have a very low maintenance requirement. Once installed, they will run reliably for many months without needing any maintenance.

 

In which applications can TDLs be used?

TDLs have a wide range of applications, including process control in direct chlorination and oxy-chlorination; safety monitoring in VCM waste gas recovery and combustion optimization in package boilers, thermal oxidizers, fired heaters, FCC units, etc. For more information check our Application eBooklet.

 


 
Specifikationer - Methane Gas Analyzer: GPro 500
Uppmätt gas Methane (CH4)
Undre detektionsgräns 1 ppm-v
Mätområde 0 – 1%
Noggrannhet 2% of reading or 1 ppm, whichever is greater
Linearity Better than 1%
Upplösning 1 ppm
Drift Negligible (<2% of measurement range between maintenance intervals)
Provtagningsfrekvens 1 second
Responstid vid (T90) CH4 in N2 1% to 0% in < 4 sec
Repeterbarhet ±0.25% of reading or 5 ppm-v CH4 (whichever is greater)
Processtryckområde 0.8 bar - 3 bar (abs)/11.6 psi - 43 psi (abs)
Processtemperaturområde 0-250 °C (23-482 °F); optional (for probe installation)
0-600 °C (0-1112 °F) with additional thermal barrier
Effektiv banlängd 50 mm - 10 m, depending on adaption

Features and Benefits


Meets Process Control Needs
This CH4 gas analyzer is ideal for process control in syngas applications. The GPro 500 methane gas analyzer is a tunable diode laser gas analyzer that offers precise, reliable and fast measurement in critical applications, and is SIL 2 compatible.
Flexible and Consistent Platform
Immediate, In Situ Measurement
The GPro 500 CH4 gas analyzer is installed in situ, so you get a quick response without the need to condition a sample. This offers a reliable and cost-effective alternative to technologies that require maintenance prone extraction and conditioning systems.
Fast, Intuitive Navigation
Designed for Challenging Installations
The GPro 500 is configurable, enabling the methane gas analyzer's measurement system to be paired with a variety of process adaptions to meet a wide range of installation requirements, including pipe diameters from 50 mm to over a meter.
Plug and Measure
Predictive Diagnostics Ensure Long Life
This methane TDL gas analyzer uses Intelligent Sensor Management (ISM) technology to offer predictive diagnostics on analyzer condition, including informing you when cleaning of the optical path will be required.
Easy Configuration

Dokumentation

Brochure

Gas Analytics Brochure
Safety, quality, productivity: that’s what’s most important to you. And that’s why our approach to designing analyzers and sensors is based around a s...

Booklet

Gas Analysis
In this free booklet we discuss the theory of absorption spectroscopy and how TDL analyzers are being employed in an increasing number of process and...
Kostnadsfri e-broschyr om TDL-mätning
Denna kostnadsfria e-broschyr ger en enkel överblick över ett urval av de vanligaste GPro 500-applikationerna.

White papers

White Paper: TDLs for All Your Processes – Folded-Path Gas Analyzers
Our portfolio of folded-path tunable diode laser (TDL) gas analyzers now has a unique range of process adaptions. Combined, they have opened the door...
White paper om gasanalysatorer
Denna tekniska rapport förklarar hur den nya generationen TDL-sensorer inte bara erbjuder enastående kostnadsbesparingar för bränsle, utan även elimin...
Measurement of Oxygen Concentration
Gaseous oxygen measurement with amperometric sensors is the most direct and easiest solution for protection against oxidation and explosion.
Inerting Made Efficient, Replacing Extractive Oxygen Analyzers
Manufacturing operations must keep output and quality their top priority. Switching from maintenance-intensive on-line extractive systems to a more re...
Measurement of Oxygen Concentration
Gaseous oxygen measurement with amperometric sensors is the most direct and easiest solution for protection against oxidation and explosion.
Polarographic Oxygen Measurement
For the measurement of oxygen in continuous process analysis, several technologies are available.
Minimizing Inerting System Maintenance
This white paper explains how TDL O₂ sensor can minimize inerting system maintenance & how to integrate them into a DCS system for fully automated oxy...
Gas Analysis Made Easy
Tunable Diode Laser (TDL) oxygen sensors from METTLER TOLEDO unite the best elements of two technologies to form a highly dependable monitoring system...

Teknisk specifikation

Manuals

Safety Manual for TDLS GPro 500 - Tunable Diode Laser Spectrometer
This document contains information and safety instructions required to use the GPro 500 with direct analog output option in SIL environments.
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Methane Gas Analyzer: GPro 500

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Methane Gas Analyzer: GPro 500
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