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Ammonia Gas Analyzer: GPro 500

Tunable Diode Laser for NH₃ Measurement

The GPro 500 ammonia (NH3) gas analyzer is a unique TDL spectrometer designed for direct measurement of ammonia in stack measurement and ammonia slip applications. It uses a folded-path laser beam design for low maintenance, accurate measurement.

Top Performance in Ammonia Measurement
An NH3 analyzer for challenging applications, the GPro 500 provides reliable measurement in ammonia slip and stack measurement applications.

Low Maintenance and Operating Costs
This ammonia 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.

Ammonia Gas Analyzer: GPro 500
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Specifications - Ammonia Gas Analyzer: GPro 500
Gas Measured Ammonia (NH₃)
Lower Detection Limit 1 ppm-v
Measurement range 0 – 1%
Accuracy 2% of reading or 1 ppm, whichever is greater
Linearity Better than 1%
Resolution 1 ppm
Drift Negligible (<2% of measurement range between maintenance intervals)
Sampling rate 1 second
Response time (T90) NH₃ in N₂ 1% to 0% in < 4 sec
Repeatability ±0.25% of reading or 5 ppm-v NH₃ (whichever is greater)
Process pressure range 0.8 bar - 3 bar (abs)/11.6 psi - 43 psi (abs)
Process temperature range 0-250 °C (23-482 °F); optional (for probe installation) <br>0-600 °C (0-1112 °F) with additional thermal barrier
Effective path length 50 mm - 10 m, depending on adaption
Process Adaption or Sensor Sensor

Features and Benefits

Meets Process Control Needs
This NH3 gas analyzer is ideal for process control in ammonia slip applications. The GPro 500 ammonia 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 NH3 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 ammonia 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 ammonia 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

Documentation

Brochures

Gas Analytics Brochure
Gas Analytics Brochure
Plant safety, product quality, high productivity: that’s what’s most important to you. And that’s why our approach to designing gas analyzers and sens...

Datasheets

Ammonia Gas Analyzer: GPro 500
Ammonia Gas Analyzer: GPro 500
The GPro™ 500 ammonia (NH3) gas analyzer is a unique TDL spectrometer designed for direct measurement of ammonia in stack measurement and ammonia slip...
NH3 & H2O Gas Analyzer: GPro 500
NH3 & H2O Gas Analyzer: GPro 500
An NH3 and H2O analyzer for challenging applications, the GPro 500 provides reliable analysis in ammonia slip and stack measurement applications.

Technical Specifications

Technical Data GPro 500 TDL Series
Technical Data GPro 500 TDL Series

White Papers

Process Gas Analyzers – 5 Problems
Process Gas Analyzers – 5 Problems
This white paper looks at five issues around process gas analyzers and how tunable diode laser (TDL) spectrometers circumvent them.

Application Notes

Process Instrumentation
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pH/ORP (Redox) Probes, Oxygen, CO₂, Ozone Sensors, Bioburden, Total Organic Carbon, Gas, Sodium, Silica and Chloride/Sulfate Analyzers, Transmitters

Case Studies

Gas Analyzer - Gas Sensor
Industrial Process Gas Analyzers
These highly reliable gas analyzers are designed to provide fast response times for a variety of gases in industrial and chemical processes. Both tuna...
Process Instrumentation
Process Analytics
pH/ORP (Redox) Probes, Oxygen, CO₂, Ozone Sensors, Bioburden, Total Organic Carbon, Gas, Sodium, Silica and Chloride/Sulfate Analyzers, Transmitters

Software

MT-TDL-Suite-V6_8_6_w_RT-2022-06-09
MT-TDL-Suite-V6_8_6_w_RT-2022-06-09 (zip - 200 MB)

Accessories

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Ammonia Gas Analyzer: GPro 500
FDA
USP Class VI