TDL (Tunable Diode Laser) Gas Analyzers

TDL (Tunable Diode Laser) Gas Analyzers

Product Details:

  • Humidity 095% RH (non-condensing)
  • Test Range 0100% of target gas
  • Display Type Digital LCD / Remote monitoring
  • Max Height Standard: 450 mm (without probe)
  • Gas Pressure 0.12 bar
  • Power Supply 220 V AC, 50/60 Hz
  • Response Time <2 seconds
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TDL (Tunable Diode Laser) Gas Analyzers Product Specifications

  • 0100% of target gas
  • 095% RH (non-condensing)
  • Industrial gas monitoring, Emissions monitoring, Environmental compliance, Process control
  • Standard: 450 mm (without probe)
  • Digital LCD / Remote monitoring
  • Customizable
  • <2 seconds
  • 0.12 bar
  • 220 V AC, 50/60 Hz
  • 1% of measurement value
  • TDL Gas Analyzer
  • DN25 / DN50 / Custom
  • 50/60 Hz
  • Real-time Continuous
  • Fully Automatic
  • Trace and in situ gas measurement (O2, NH3, CO, HCl, and others)
  • Flange mounted / Wall mount / Rack mount
  • Approx. 15 kg
  • Low ppm up to % levels, configurable
  • AC 220V, 50/60 Hz
  • Laser-based detection, High selectivity, Maintenance free, Non-contact, Cross-stack and probe types
  • Single/Multiple Stream
  • Better than 0.1 ppm (gas dependent)
  • -20C to 55C (operating)
  • 4-20 mA, RS485, Ethernet, Modbus
  • Automatic / Remote
  • IP65 / NEMA 4X
  • Onboard + remote (cloud capable)
  • EN 15267, ISO 14956, CE marked
  • <10 minutes
  • 4-20mA analog, digital relay, MODBUS TCP/IP
  • >10 years
  • Not required for open-path; 15 l/min for extractive
  • Near-IR (typ. 1.32.1 m)
  • Yes, automatic continuous
  • Class 1 (IEC 60825-1)
  • 8001100 hPa
  • Typically 12 years
  • Powder coated steel / Aluminum
  • Stainless Steel / Titanium (optional)

TDL (Tunable Diode Laser) Gas Analyzers Trade Information

  • Central America, Asia, North America, South America, Eastern Europe, Western Europe, Middle East, Australia, Africa
  • All India

Product Description

TDL (Tunable Diode Laser) Gas Analyzers

Rethinking gas analytics

Interference-free, drift-free TDL technology offers better process control and lower maintenance costs.

However, for reliable measurement with a TDL sometimes necessary framework conditions such as minimum optical path length, the availability of a purge gas supply and/or maximum dust load get in the way. Acknowledging these constraints, METTLER TOLEDO has developed specific process interface solutions that substantially increase the coverage of possible TDL applications. Based on the folded optical path principle, METTLER TOLEDO range of compact TDL spectrometers and unique process adaptions, for process, safety, combustion, and vapor recovery applications are essential instruments for improving your processes:

No need for alignment:With laser source and detectors on the same side, the GPro 500 standard (SP) probe does not need alignment, and fits in pipes down to DN100

For inerting and blanketing applications:With its probe specially designed for static process conditions the GPro 500 with NP probe allows reliable inertization control for increased safety and lower purge gas consumption.

Measurement location in small pipes:For DN 50 or 2 pipes where no flow restriction is allowed, the GPro 500 Wafer Cell allows precise and stable measurements even in harsh process gas streams.

Ideal for combustion applications:Where very high dust loads will typically obstruct measurement on longer optical paths, the GPro 500 with a Filter probe enables robust measurement in fired heaters and boilers.

Compatible with existing extractive solutions:If an extractive analyzer is already fitted, shorter response times and lower maintenance costs can be obtained by retrofitting the GPro 500 with an Extractive Cell adaption into your current sampling and conditioning system

Product details

Color

Silver with blue

Brand

METTLER TOLEDO

Usage/Application

Laboratory

Product Type

Scientific Instruments & Logistics Machines

 

FAQ

1. A tunable diode laser gas analyzer is what, exactly?

Ans - An apparatus known as a tunable diode laser gas analyzer (TDLA) utilises lasers to calculate the concentration of particular gases in a sample. By measuring the laser beam's strength, it is possible to determine the concentration of a gas since the laser beam is adjusted to a certain wavelength that is absorbed by that gas.

2. Just how precise are TDLAs?

Ans - TDLAs have a resolution of parts per billion (ppb), making them incredibly accurate. They are therefore perfect for uses including monitoring pollutants, the environment, and industrial process management.

3. What kinds of gases can a TDLA measure?

Ans - Numerous gases, including nitrogen (N2), carbon dioxide (CO2), methane (CH4), and oxygen (O2), can be measured using TDLAs.

4. How do TDLAs operate?

Ans - A TDLA measures the amount of light absorbed after a laser beam passes through a sample of gas. The concentration of a gas can be determined by tuning the laser's wavelength to a certain frequency that is absorbed by that gas.

5. What are the benefits of TDLA use?

Ans - In comparison to other methods of gas analysis, TDLAs have a number of benefits, such as extremely accurate readings, quick response times, and low cost. They also require little upkeep and are generally simple to use. 



State-of-the-Art Sensing Technology

Leveraging tunable diode laser absorption spectroscopy in the near-infrared range (1.32.1 m), the analyzer delivers rapid, accurate gas measurements. It is highly selective, providing reliable results even in complex gas mixtures, with resolutions better than 0.1 ppm and response times under two seconds.


Built for Reliability and Longevity

Constructed from powder-coated steel, aluminum, and optionally titanium, the analyzer offers superior durability and corrosion resistance. It withstands harsh environments (IP65/NEMA 4X), operates from -20C to 55C, and features a long laser lifetime of over 10 years, combining lasting performance with minimal maintenance.


Versatile Integration and Control

Multiple output signalsincluding 4-20mA analog, digital relay, and MODBUS TCP/IPallow seamless connectivity to existing control systems. Automated operation, real-time data streaming, remote monitoring, and customizable measurement ranges support a wide spectrum of industrial, environmental, and process control applications.

FAQs of TDL (Tunable Diode Laser) Gas Analyzers:


Q: How does the TDL Gas Analyzer perform gas measurements in industrial environments?

A: The analyzer uses tunable diode laser absorption spectroscopy in the near-IR spectrum (1.32.1 m) to detect specific gas molecules with high selectivity and accuracy. It provides real-time, continuous monitoring for trace or process gas levels, even in challenging industrial settings.

Q: What process is involved in installing and setting up the analyzer?

A: The device can be flange mounted, wall mounted, or rack mounted, depending on site requirements. After installation, a warm-up time of less than 10 minutes is needed before the self-diagnostic routines ensure the system is ready. Control is fully automatic or remotely managed, with outputs easily integrated into plant automation.

Q: When should the TDL Gas Analyzer be calibrated or serviced?

A: Calibration is typically required every 12 years, supported by the devices automatic self-diagnostics and stable laser source. The system is designed for minimal maintenance, with a robust construction and reliable performance over its lifetime.

Q: Where can this analyzer be deployed for optimal use?

A: The analyzer is suitable for industrial gas monitoring, emissions compliance, process control, and environmental applications. It handles ambient pressures from 8001100 hPa, humidity up to 95% RH (non-condensing), and temperatures from -20C to 55C, enabling deployment across various indoor and outdoor installations.

Q: What are the usage benefits of a laser-based TDL analyzer compared to conventional technologies?

A: TDL analyzers offer non-contact, highly specific gas detection with rapid response times (<2 seconds), high accuracy (1% of measured value), and exceptional low-level sensitivity. Maintenance is minimized due to no moving parts, and the systems remote and onboard data logging enhance operational efficiency.

Q: How does the analyzer ensure data integrity and compliance?

A: The device features secure onboard and cloud-capable data logging, meeting EN 15267, ISO 14956, and CE compliance standards. Operators can access live and historical data remotely, ensuring transparent reporting and aiding regulatory compliance.

Q: What gases and measurement ranges can this analyzer accommodate?

A: It can measure trace gases such as oxygen, ammonia, carbon monoxide, and hydrogen chloride, with configurable ranges from low ppm concentrations up to percent levels, making it adaptable for a wide variety of industrial and environmental monitoring needs.

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