NH3 in Ammonia Slip and Emissions

A reliable, fast-response solution for your ammonia monitoring

Reducing NOx emissions from combustion processes is a key objective for meeting environmental legislation. Our compact, accurate systems help ensure the effectiveness and efficiency of your DeNOx application and provide continuous emission monitoring of ammonia.

We’re trusted experts in ammonia measurements

Our extensive experience in supplying analytical systems to industry for CEMS and DeNOx applications means we understand your process. Our solutions are proven to deliver the results you need.

Expert team

Armed with deep applications knowledge, our experts can advise on the optimum solution for your plant conditions, supplying gas analysis that exactly matches your requirements.

Precise solutions

With a wide range of gas analysis technologies available, we’re able to deliver the most precise, correct measurement for each point in the ethylene process.

Global support

Our high-performance analyzers are supported by a network of service and support personnel, ensuring reliable performance across your process.

SERVOTOUGH Laser 3 Ammonia

We provide a complete solution for accurate ammonia slip control

Using advanced Tunable Diode Laser (TDL) technology, the SERVOTOUGH Laser 3 Plus Environmental is designed to help operators take control of combustion emissions by delivering accurate NH3 measurements in DeNOx processes. Supported by its auto-validation software capabilities, the analyzer also helps maintain the necessary uptime to overcome the regulatory challenges of CEMS applications and comply with EPA PS18 for NH3.

Gas analysis supports efficient combustion DeNOx applications

It is important to effectively control NOx through ammonia (NH3) slip to meet legislative requirements and avoid fines. This also improves combustion efficiency, reducing fuel costs and harmful emissions. High levels of unreacted NH3 are costly, and may also have a significant impact on deposition and catalyst plugging, as well as potential corrosion of downstream equipment.

Continuous analysis to control NH3 emissions

There is a growing demand to continuously measure the amount of NH3 released at a plant stack as a precursor to particulate matter of 2.5 microns. In the US, it is recommended that operators ensure their optical-based analyzers and systems meet EPA performance specification 18 (PS18). This makes uptime an essential consideration for NH3-based CEMS applications.

Meet the experts

Karen leads the Industrial Process and Emissions Business Unit in providing solutions which support our customers as they overcome the challenges of making their processes safer, cleaner, and more efficient.

Karen Gargallo, Business Unit Manager, IP&E

Responsible for managing our oxygen analyzers in the Industrial Process & Emissions sector, Keith has been working with gas analysis solutions for more than 20 years, 12 of them at Servomex.

Keith Warren, Product Manager

Leading the life-cycle management of our Spectroscopic analyzer range, Rhys is responsible for the development of the markets they serve, and the strategic growth of those technologies.

Rhys Jenkins, IP&E Product Manager, Spectroscopic Analyzers

Overseeing the business development operations of our Industrial Process & Emissions team in China, Huiyu leads our pursuit of large international projects.

Huiyu Guan, Business Development Manager, IP&E, China

Stephen is responsible for managing the lifecycle of new Servomex Products, specifically, the introduction of new technologies into Servomex Analyzers. As STEM Team Leader he also coordinates the internal and external STEM program.

Stephen Firth, Product Manager- Strategic Projects

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4900 Multigas


The 4900 Multigas is a high-performance CEMS analyzer designed for a wide range of multi-gas measurements.

  • Advanced digital multi-gas CEMS analysis
  • Up to four simultaneous gas stream measurements
  • Ultra-stable, accurate, non-depleting sensors
  • Auto-calibration for reduced operational needs
  • Intuitive-use icon-driven colour touchscreen
  • Digital communications for remote access

AquaXact 1688


A rugged ultra-thin film Aluminum Oxide moisture sensor which measures moisture in a wide variety of gas phase process applications.

SERVOPRO AquaXact 1688
  • Fast and accurate moisture measurements
  • Rugged ultra-thin film Aluminium Oxide sensor
  • Functions as a standalone 4-20mA transmitter
  • Remotely interfaces with compatible controller or analyser
  • Sensor element is NIST-traceable and field-replaceable
  • IP65-rated connector

AquaXact Controller


Built specifically to work in harmony with the AquaXact 1688 ultra-thin film Aluminum Oxide moisture transmitter.

  • Specifically designed to operate AquaXact 1688
  • High-clarity colour touchscreen display
  • Alarms, relays, and advanced communications
  • Allows easy sensor tip replacement in the field
  • Powerful, intuitive software control
  • Compact and easy to integrate into your system



The Chroma is optimized to specific background gases to ensure optimum performance for your application.

  • Versatile, ultra-accurate trace gas analysis
  • Choice of non-depleting sensor technologies
  • Cost-effective solution for process control or quality monitoring
  • Works in a wide range of background gases
  • Compact 4U rack-compatible design
  • Flexible communication options

DF-550E NanoTrace


An ultra-trace Coulometric oxygen analyzer, the DF-550E is optimized for quality measurements in ultra-high-purity electronic gases.

DF-550E an ultra-trace Coulometric oxygen analyzer.
  • An ultra-trace Coulometric oxygen analyser
  • For quality measurements in electronic gases
  • 200 parts-per-trillion Lower Detection Limit
  • Suitable for use with multiple background gases
  • Unaffected by sample and flow rate changes
  • Hand-carry portable option

DF-560E NanoTrace ULTRA


A superior quality control solution for ultra-high-purity (UHP) electronic grade gases, the DF-560E Ultra delivers an industry-best detection of 45 parts per trillion for oxygen (O2).

  • Delivers industry-best oxygen measurements
  • For quality control in ultra-high-purity gases
  • Lower Detection Limit of 45 parts-per-trillion
  • High-stability Coulometric sensing technology
  • Optimised for ease of use and portability
  • Cost-effective setup and configuration



The DF-745 delivers trace and ultra-trace measurements of moisture for ultra-high-purity (UHP) electronic gas checks in LED/LCD manufacturing processes.

  • Delivers trace/ultra-trace moisture measurements
  • For electronic gas checks in LED/LCD manufacturing
  • Can monitor multiple background gases
  • Lower Detection Limit of 1 part per billion
  • Designed for exceptional operational flexibility
  • Ultra-reliable baseline measurements

DF-745 SGMax


The DF-745 SGMax is designed for the measurement of diverse gas mixtures in specialty gas blending applications.

  • Optimized for speciality gas blending
  • Accurate TDL analysis of trace moisture
  • An adaptable solution for diverse applications
  • Lower Detection Limit of 5 parts per billion
  • Database of 17 standard background gases
  • Virtually eliminates dry down times



Providing trace and ultra-trace moisture contaminant measurements in a variety of background gases, the DF-749 is ideal for quality checking of UHP gases used in LCD and LED manufacture.

  • Trace/ultra-trace moisture measurements
  • Checks purity in UHP electronic gases
  • Easily portable for cart or mobile use
  • Lower Detection Limit of 250 parts per trillion
  • Factory-calibrated for quick and easy installation
  • Minimised ongoing maintenance needs



The DF-750 is a trace/ultra-trace moisture analyzer optimized for measurements in the ultra-high-purity (UHP) gases used in 300mm semiconductor fabs.

  • A trace/ultra-trace moisture analyser
  • For purity checks in electronics-grade gases
  • Stable, highly accurate TDL measurements
  • 100ppt Lower Detection Limit
  • Low lifetime maintenance requirements



Delivering industry-leading trace/ultra-trace moisture measurements, the DF-750 ULTRA is optimized for quality monitoring in the ultra-high-purity (UHP) gases used in 300mm semiconductor fabs.

  • Delivers industry-best moisture measurements
  • Industry-leading 55 ppt Lower Detection Limit
  • Zero-drift stability extends calibration intervals
  • Measures in N2, H2, He, Ar and O2
  • Designed to meet exceptional gas purity standards



Designed for quality control applications in UHP bulk gases, the compact DF-760E analyzer is a unique solution for the dual measurement of trace and ultra-trace moisture

  • For quality control in UHP bulk gases
  • Dual moisture and oxygen analysis
  • Trace and ultra-trace measurements
  • Non-depleting Coulometric O2 sensor
  • Robust TDL moisture sensing
  • Exceptional Lower Detection Limits



Designed for industry-leading quality control measurements in UHP bulk gases, the compact DF-760E ULTRA is a unique dual-analysis solution for trace and ultra-trace moisture and oxygen.

  • Dual moisture/oxygen analyser for UHP gases
  • Ideal for quality checking and leak detection
  • Lower Detection Limit of 55ppt moisture
  • Oxygen Lower Detection Limit of 45ppt
  • Combines Coulometric and TDL sensing
  • Broad detection ranges



With trace analysis capability, the FID is ideal for ASU safety and quality control applications.

  • Ideal for ASU safety and quality control
  • Robust Flame Ionization Detector analysis
  • Delivers trace Total Hydrocarbon measurements
  • An adaptable solution for diverse applications
  • Low-noise FID sensing for superior accuracy
  • Range of remote communication options

FluegasExact 2700

SERVOTOUGH Hazardous Area

Designed to measure O2 and COe in flue gases for improved combustion efficiency and reduced emissions.

The FluegasExact 2700 analyzer for effective combustion analysis
  • For combustion efficiency and reduced emissions
  • O2 only, or O2 & COe measurements in one sensor head
  • Ideal for all types of combustion processes
  • Robust, Industrial, fully-heated sensor head
  • Long-life, low-drift Oxygen sensing technologies
  • Close coupled, low flow extractive sampling design, extends product life



Utilizes an internally heated oven set to 190°C (374°F) to maintain the sample gas above its dew point, for optimum performance in total hydrocarbon analysis (THC).

  • Highly sensitive trace hydrocarbon analyser
  • Ideal for vehicle/engine certification testing
  • Heated FID for volatile hydrocarbon concentrations
  • Delivers real-time, on-stream gas analysis
  • Cutter system removes non-methane hydrocarbons
  • Four user-definable measurement range options

Laser 3 Plus Combustion

SERVOTOUGH Hazardous Area

Unmatched installation flexibility plus cost and performance benefits, ready for fast, accurate and responsive measurements in combustion and process control.

Laser 3 Plus Combustion Tunable Diode Laser
  • Configured to measure O2, CO, or CO and CH4
  • Highly compact gas monitor
  • Ideal for in-situ cross-stack applications
  • Uses Wavelength Modulated Spectroscopy (WMS)
  • Easily installed by a single engineer
  • Reliable line lock cuvette technology

Laser 3 Plus Environmental

SERVOTOUGH Hazardous Area

Compact, high-performance Tunable Diode Laser (TDL) analyzer, specifically optimized for ammonia slip measurement

SERVOTOUGH Laser 3 Plus Environmental
  • Accurate NH3 measurements in DeNOx processes
  • Compliant with the US EPA PS18 standard
  • Exceptional benefits for clean air processes
  • In-situ cross-stack measurements
  • A highly compact gas analyser
  • Reliable line lock cuvette technology

Laser 3 Plus Process

SERVOTOUGH Hazardous Area

Optimized for the fast, accurate and responsive measurement of process oxygen (O2) in hot or hazardous conditions.

Laser 3 Plus Process Tunable Diode Laser (TDL) analyzer
  • Fast, accurate process control
  • Stable, repeatable O2 measurements
  • Exceptional performance in a compact design
  • Minimal installation and maintenance costs
  • Non-depleting TDL sensor technology
  • Reliable line lock cuvette technology

Micro i.s. 5100


Designed for the measurement of oxygen (O2) in potentially flammable gas samples. Certified to Zone 0 and Zone 1 and suitable for measuring percent levels of O2.

  • Portable analyser for percent levels of O2 (<21% O2)
  • Intrinsically safe – certified to Zone 0 and Zone 1
  • Analysis of O2 in both flammable and toxic samples
  • Ability to store up to 200 measurements
  • High-grade, long-life Li-Ion rechargeable batteries
  • Pumped or pressure driven sample gas options

MiniHD 5200


The MiniHD 5200 portable gas analyzer is a rugged, heavy duty analyzer designed to accurately measure the levels of O2, CO and CO2 within common gas mixtures.

  • For field locations or light industrial applications
  • Measures O2, CO and CO2 in common gas mixtures
  • Portable analyser with a rugged and durable design
  • Uses digital Paramagnetic and Infrared sensing
  • Accurate measurements with no background interference
  • Intuitive, user-friendly interaction and interface

MiniMP 5200


The only truly portable battery-powered gas analyzer with MCERTS and TUV certification, offers single or dual measurement of oxygen (O2) and carbon dioxide (CO2).

  • High-performance oxygen and carbon dioxide analysis
  • Truly portable battery-powered gas analysis
  • Ideal for CEMS, with MCERTS and TUV certification
  • Accurate, long-life operation with minimal calibration
  • Combines Paramagnetic and Infrared technologies
  • Ideal for medical gas verification applications
Learn more Enquire now

MonoExact DF150E


The MonoExact DF150E combines the reliability of Servomex’s tried and tested Coulometric oxygen sensor with a more user-friendly package.

  • Digital touchscreen and icon-driven interface
  • Tried and tested digital Coulometric oxygen sensor
  • Optimised for industrial gas applications
  • Measures oxygen across three ranges
  • Compact footprint for simple integration
  • No sensor zero calibration required
Learn more Enquire now

MonoExact DF310E


Designed specifically for accurate measurements of oxygen in industrial gas (IG) applications.

  • Accurate measurements of oxygen and moisture
  • Designed for industrial gas applications
  • Tried and tested digital Coulometric oxygen sensor
  • Non-depleting Paramagnetic sensor option
  • Plug-and-play moisture sensor support
  • Analogue and digital communication options
Learn more Enquire now

MultiExact 4100


A high-performance multi-gas analyzer designed to provide up to four simultaneous gas stream measurements.

SERVOPRO MultiExact 4100
  • Highly adaptable multi-gas analyzer
  • Provides up to four simultaneous measurements
  • Wide range of sensing technology options
  • Versatile solution for industrial and medical gases
  • Built-in support for moisture sensor
  • Optional advanced digital protocols

MultiExact 4200


The MultiExact 4200 analyzes up to four gases simultaneously for Syngas and HyCO

  • For HyCO, Syngas, H2, and gas transfer applications
  • A high-specification multi-gas analyser
  • Measures up to four gas streams simultaneously
  • Combines industry-leading sensing technologies
  • Low cost of ownership and minimal maintenance
  • Intuitive-use icon-driven colour touchscreen



Incorporating the latest advances in gas sensing and signal processing methodology, the NanoChrome revolutionizes ultra-trace purity measurements.

  • Ultra-trace purity measurements in UHP gases
  • Designed for semiconductor manufacturing
  • Uses advanced Plasma Emission Detector sensor
  • Sensitive ProPeak software for high accuracy
  • Removes the need for flammable fuel gas
  • Comprehensive reporting and statistical analysis

NanoChrome ULTRA


Using proven ultra-trace sensing, the NanoChrome ULTRA conquers the most stringent demands of the semiconductor industry, delivering a cost-effective solution compared to competing technologies.

  • The top choice for ultra-trace purity measurements
  • Designed for the semiconductor wafer industry
  • Superior measurements of ultra-high-purity gases
  • Highly specific, non-depleting PED sensing
  • ProPeak filtering for highly sensitive measurements
  • Removes the need for flammable fuel gas



Measures NO or NO/NO2/NOx concentrations in industrial gas and vehicle emission applications.

  • Measures NO or NO/NO2/NOx concentrations
  • Uses time-proven Chemiluminescence sensing
  • Monitors industrial stationary sources emissions
  • Fast enough for emissions testing in engines
  • No vacuum pump requirement
  • Four user-definable measurement ranges

Oxy 1900

SERVOTOUGH Hazardous Area

The Oxy 1900 oxygen (O2) gas analyzer sets new standards of flexibility, stability and reliability from a single, cost-effective unit.

  • Zone 1/Division 1 hazardous area rated
  • Digital Paramagnetic O2 measurements
  • Heated sample gas compartment for stability
  • Unique patented FlowCube flow sensor for enhanced safety
  • Auto-validation / calibration option reduces hands-on maintenance
  • Intelligent sample vent pressure compensation option
Learn more Enquire now

OxyExact 2200

SERVOTOUGH Hazardous Area

The high-specification OxyExact 2200 O2 analyzer offers an unrivaled combination of precision, flexibility and performance for optimum process and safety control.

OxyExact 2200 high-specification O2 analyzer
  • Rated up to Zone 1/Division 1 hazardous area
  • High-specification Paramagnetic O2 analysis
  • Designed for demanding process & safety monitoring
  • Innovative three-compartment transmitter design
  • Link up to six transmitter units to one control unit
  • Samples flammable gas mixtures up to 100% O2
Learn more Enquire now



The Plasma delivers an accurate, highly stable and reliable measurement, with high sensitivity in the 0-1ppm range.

  • Analyses nitrogen in argon
  • Specifically designed for ASU plants
  • Unsurpassed stability and selectivity
  • High-specification Plasma Emissions Detector
  • Standard or high-purity setting modes
  • Reliable and accurate continuous monitoring



A getter-based purification unit designed for the purification of carrier gases used in Gas Chromatography (GC) and other analytical applications

  • Getter-based purification unit
  • Designed for carrier gases used in Gas Chromatography
  • Reduces outlet impurity levels to ppb or below
  • Removes impurities by forming irreversible chemical bonds
  • Efficient ceramic fibre insulation
  • Built to operate continuously, without servicing

SpectraExact 2500F

SERVOTOUGH Hazardous Area

Flexible single and multicomponent gas analysis capability for corrosive, toxic and flammable sample streams.

  • Rugged, reliable photometric analysis
  • Designed for continually flammable samples
  • Suitable for hazardous area applications
  • Ideal for diverse gas sample types
  • Uses field-proven non-depleting technologies
  • Certified for gases

Your ammonia slip and emissions solution resources

Get the latest information about all our solutions for ammonia monitoring and related processes.

Stay up to date: click to download.

DeNOx process and measuring ammonia slip expert paper

DeNOx process and measuring ammonia slip expert paper

SERVOTOUGH Laser 3 Plus Certification Manual | Product certification

SERVOTOUGH Laser 3 Plus Certification Manual | Product certification

ES Magazine Issue 29 Clean Air

ES Magazine Issue 29 Clean Air

SERVOTOUGH Laser 3 Plus Product Configuration

SERVOTOUGH Laser 3 Plus Product Configuration

SERVOTOUGH Laser 3 Plus Environmental Product Brochure

SERVOTOUGH Laser 3 Plus Environmental Product Brochure

SERVOTOUGH Laser 3 Plus Operator Manual

SERVOTOUGH Laser 3 Plus Operator Manual

SERVOTOUGH Laser 3 Plus Certification Manual

SERVOTOUGH Laser 3 Plus Certification Manual

SERVOTOUGH Laser 3 Plus Environmental Recommended Spares

SERVOTOUGH Laser 3 Plus Environmental Recommended Spares

The latest news in ammonia slip and emissions measurement

See what’s new in ammonia monitoring, including our latest product releases and application solutions.

Gas Analysis – Beyond the Measurement – Maximizing Availability

July 2020

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New video shows world’s easiest TDL analyzer installation

April 2017

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In this episode, application experts discuss gas analysis for continuous ammonia (NH3) monitoring in combustion emissions.


DeNOx Processes and the Crucial Role of Measuring Ammonia Slip


In the contemporary age of increasing environmental consciousness, the reduction of Nitrogen Oxides (NOx) emissions is becoming an essential requirement. NOx, a collective term for nitric oxide (NO) and nitrogen dioxide (NO2), is produced when excess nitrogen and oxygen react during combustion, particularly at high temperatures. The effective control of NOx emissions is critical not only to meet legislative requirements and avoid fines but also to enhance the efficiency of a combustion process.

The typical method for eliminating waste NOx in power plants and other combustion processes, also known as the DeNOx process, involves selective catalytic reduction (SCR) or selective non-catalytic reduction (SNCR). Both these methods use ammonia (NH3) or NH3 in the form of urea, which reacts with NOx on a catalyst surface to form water (H2O) and nitrogen (N2). However, maintaining optimal conditions is crucial to avoid surplus unreacted NH3, also known as ammonia slip.

The accurate measurement of ammonia slip is essential for several reasons, including cost efficiency, impact on downstream equipment, and diagnostic information about the SCR/SNCR system’s functioning. Yet, due to factors like the reactive nature of NH3, the presence of sulfur dioxide (SO2), water (H2O), and dust, measuring ammonia slip has been challenging.

Tunable Diode Laser Sensing: A Superior Solution for NH3 Measurement

Advanced Tunable Diode Laser (TDL) technology offers an effective solution for accurate ammonia slip control. It involves a diode laser light source, transmitting and receiving optics, and a detector, allowing in-situ, cross-duct measurements. This technology enables the calculation of gas concentration from the gas absorption line shape. As a result, TDL provides more accurate and average concentration readings compared to extractive methods. Moreover, the TDL method eliminates complications such as contaminant problems posed by dust, heat, and water, thus reducing downtime required for cleaning extractive systems.

SERVOTOUGH Laser 3 Ammonia

Servomex’s Next-Generation Solution for NH3 Measurements

Leveraging TDL technology, the SERVOTOUGH Laser 3 Plus Environmental (Laser 3 Plus deNOx ammonia) is designed to deliver accurate NH3 measurements in DeNOx processes. This compact gas monitor can be installed directly into process ducts, ideal for monitoring ammonia slip during NOx reduction processes like SCR or SNCR. In addition to the non-depleting measurement offered by TDL technology, the Laser 3 Plus Environmental provides industry-leading installation flexibility with cost and performance benefits.

Measuring NH3 in CEMS Applications

In the United States, the demand for continuous measurement of NH3 released at plant stacks is growing, despite the absence of national regulation by the US Environmental Protection Agency (EPA). Certain states have begun setting their own performance requirements, like California, which is considering lower NOx emissions limits and additional NH3 limits. The EPA strongly recommends adherence to performance specification 18 (PS18), intended for all future regulations for optical-based analyzers used in continuous emissions monitoring systems (CEMS). Furthermore, regulatory obligations necessitate high uptime of the CEMS equipment, and any unreported data can lead to severe fines.

Advantages of the SERVOTOUGH Laser 3 Plus Environmental (Laser3 Plus deNOx ammonia) in CEMS Applications

The Laser 3 Plus Environmental’s reliable performance (Laser3 Plus deNOx ammonia), combined with its auto-validation software capabilities, makes it an ideal solution for meeting the rigorous regulatory requirements of CEMS applications. It offers low maintenance and operational costs, leading to a low lifetime ownership cost, while providing uptime higher than 90%. Furthermore, Servomex provides comprehensive support, including a hot-swap program for rapid replacements.

Download the Servomex Expert Paper on DeNOx Processes and Ammonia Slip

DeNOx process and measuring ammonia slip expert paper

DeNOx process and measuring ammonia slip expert paper

SERVOTOUGH Laser 3 Plus DeNOx NH3: A New Dimension in Environmental Gas Analysis

Innovations in the field of environmental gas analysis have taken major strides with the introduction of SERVOTOUGH Laser 3 Plus DeNOx NH3. This powerful new analyzer, equipped with state-of-the-art Tunable Diode Laser Spectroscopy (TDLS) technology, brings forth an innovative approach to environmental gas analysis. It is specifically optimized for ammonia slip (DeNOx) and emissions applications, such as process heaters, incinerators, power stations, furnaces, thermal crackers, and thermal oxidizers.

Unparalleled Performance

The Laser 3 Plus DeNOx NH3 is capable of withstanding process temperatures up to 500°C (932°F). It offers a low detection limit and negligible zero drift, making it a reliable tool for maintaining accurate measurements over a long period of time. Further boosting its utility, the Laser 3 Plus only requires calibration once every twelve months.

Flexibility and Ease of Use

Designed with a compact structure, the Laser 3 Plus is capable of performing in high particulate environments, providing great flexibility for different application contexts. It can handle path lengths ranging from 0.7m to 10m (2.3-33ft), and ensures minimal cross interference. The diversity in mounting options makes it ideal for ducts, stacks, and reactor installations.

Easy installation and operation are a given with the Laser 3 Plus. It is robust, reliable, and offers significant space saving. Furthermore, it supports digital communications via Modbus over Ethernet, and features a user-friendly interface and rapid disconnect system for easy calibration.

Low Cost of Ownership

The Laser 3 Plus brings a reduced total cost of ownership, thanks to its non-depleting TDL technology, absence of moving parts and consumables, and the elimination of a sample conditioning system, which significantly lowers maintenance costs.

Compliance and Approvals

The Laser 3 Plus complies with ATEX, IECEx, and North American hazardous area approvals. It is certified for both gases and dust and comes with an IP66 and CE approved rating.

A Revolutionary Approach

Servomex has approached TDL analysis with a fresh perspective, creating an analyzer that’s only a fraction of the size without compromising on performance. The result is TDL analysis

that is easier and faster to install, saving valuable space while enabling greater installation flexibility.

Low Maintenance and High-Performance Monitoring

The Laser 3 Plus works hard to reduce costs at all stages. In addition to the immediate advantages of TDL technology, its compact design greatly reduces installation time. The advanced Wavelength Modulation Spectroscopy processing software eliminates drift over extended operational periods, ensuring reliable and accurate operation.

Key Specifications

The SERVOTOUGH Laser 3 Plus DeNOx NH3 is equipped to measure NH3, utilizing Single Line Tunable Diode Laser Spectroscopy technology. It offers a response time of less than 30 seconds, making it an efficient tool in critical processes.

Moreover, the Laser 3 Plus DeNOx NH3 has excellent operating environment parameters. It operates within a temperature range of -20°C to +65°C (-4°F to +149°F), can handle a maximum altitude of 4000m (13,120ft) and is functional within 10 minutes of setup.

In terms of physical aspects, the transmitter and receiver are light and compact, weighing 2kg (4.4lbs) and 1.6kg (3.52lbs), respectively.

The Laser 3 Plus has been approved for use in process hazardous area zones no greater than Zone 2 or Zone 21, and complies with all applicable EC Directives.

In conclusion, the SERVOTOUGH Laser 3 Plus is a revolutionary addition to the field of gas analysis, providing a durable, versatile, and cost-effective solution for varied applications.

To download the Product Overview PDF of the SERVOTOUGH Laser 3 Plus deNOx NH3 click below.

SERVOTOUGH Laser 3 Plus Environmental Product Brochure

SERVOTOUGH Laser 3 Plus Environmental Product Brochure

Talk to us – we can help with your process

Still not convinced? Find out how our analyzers deliver the measurements you need for quick reliable ammonia monitoring. Our range of technologies provide the optimum solution for your plant conditions. Speak to our application experts to find out more.

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