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Tunable diode laser process adaptions allow the integration of a GPro 500 TDL spectrometer directly into a process gas stream for in situ measurement, or in an extractive cell. These TDL process adaptions are suited to a range of environments, including fast or slow moving gas streams, dirty gas streams and narrow pipes (down to DN50 or 2" pipes). These process adaptions use folded-path TDL spectroscopy to provide an accurate measurement without the need for alignment of a receiver.
InTrac 797e Retractable Housing
The InTrac 797e stainless steel retractable housing is designed for processes that use 12mm electrodes to measure pH, DO, CO2 conductivity. With a double flushing chamber, it is designed to prevent contamination in sterile production.
InTrac 799e Retractable Housing
The InTrac 799e stainless steel retractable housing is designed for processes that use 12mm turbidity sensors. With a double flushing chamber, it is designed to prevent contamination in sterile production.
InFlow 762e Flow-Through Housing
The InFlow 762e is a rugged PVDF, flow-through housing suited to the requirements of the chemical processing applications. It is designed for measuring points in a bypass (pipe). The InFlow 762e is suitable for 12 mm analytical sensors.
The GPro 500 TDL process adaptions allow the gas analyzer to fit in pipes as small as DN50 (2") and help measure accurately in high-dust, high-condensate and blanketing applications.
These process adaptions support the GPro 500's unique folded-path design: the laser source and detector are located in a single unit to perfectly reflect the laser beam to the detector.
The GPro 500 TDL analyzer offers a modular design, allowing you to select the process adaption that best fits your application, and match it with the gas parameter that you need to measure.
With maintenance-prone sampling and conditioning systems not required, these tunable diode laser analyzers provide consistent performance, with maintenance needed only once per year.
TDL analyzers offer a robust construction, allowing the system to be immune to interference and suitable for the most challenging and critical applications.
METTLER TOLEDO TDL spectrometers can measure oxygen, carbon monoxide, carbon dioxide, moisture, hydrogen sulfide, hydrogen chloride, ammonia and methane.
Rethinking Gas Analytics Across Process Industries. Plant safety, product quality, high productivity: that’s what’s most important to you. And that’s why our approach to designing analyzers and sensors is based around a simple challenge – how can the design, handling, and maintenance of our products help you reach your goals? Read more
The GPro 500 designed for continuous in situ monitoring of gases in stacks, pipes, ducts, extractive measurement cells etc. and it is based on tunable diode laser technology. The GPro 500 utilizes a single side installation (probe-type TDL) without the need for alignment to measure the average gas concentration along the line-of-sight path in the probe. Read more
Selecting analyzers can be a tricky process, so a gas analyzer guide can be very useful. Having the right gas analyzer doesn’t just determine your process safety and efficiency, it can effect maintenance work and have an impact on the environment. Read more
In chemical plants, petrochemical plants, and refineries tunable diode lasers (TDLs) are becoming an increasingly common sight. Their high reliability and low maintenance has made them the gas analyzer technology of choice for many companies. However, installation locations and conditions encountered in some processes have limited their application range. Read more
In the chemical industry, safety during gas measurement is of the highest priority. Choosing the right measurement equipment is a challenge many companies face. Tunable diode laser (TDL) spectrometers are in situ gas analyzers that are employed in an increasing number of process and safety-critical applications. With a response time of only two seconds, they are an excellent method of maintaining process safety. Read more
Since their first use in the 1990s, Tunable Diode Laser gas analyzers have seen rapid growth in industry due to their exceptional performance and reliability. Today, TDL spectroscopy continues to make technical advances, making this class of sensor the preferred choice by many chemical and petrochemical companies. Read more
We support and service your measurement equipment through its entire life-cycle, from installation to preventive maintenance and calibration to equipment repair.
Tunable diode laser process adaptions are a key component of a GPro 500 gas analyzer. They connect the spectrometer to the process for accurate measurement of the specified gas species. They facilitate the folded-path TDL technology of the GPro 500, reflecting the laser back to the receiver.
METTLER TOLEDO offers several different TDL process adaptions to meet unique application requirements. Examples include:
METTLER TOLEDO GPro 500 TDL analyzers offer measurement of carbon monoxide (CO%), carbon dioxide (CO2%), hydrogen chloride (HCl), hydrogen sulfide (H2S), gaseous oxygen (O2), methane, ammonia and moisture. These can be paired with a wide range of process adaptions to provide the tunable diode laser analyzer to meet your requirements. For example, an oxygen gas analyzer can be paired with a filter probe to allow you to install an oxygen TDL analyzer in a gas stream that has a heavy particulate content. That same oxygen gas analyzer can be paired with a wafer adaption to create an in-line TDL gas analyzer for oxygen in a small line size (down to DN50).