DOAS Gas Analyzer ARL-TH-2000-C

DOAS Gas Analyzer ARL-TH-2000-C

The DOAS Gas Analyzer ARL-TH-2000-C is a high-precision analytical instrument based on Differential Optical Absorption Spectroscopy (DOAS). It utilizes a broadband light source to measure the differential absorption of incoming signals across a large wavelength range, allowing for the simultaneous monitoring of multiple gas species. This analyzer is highly flexible and can be configured as an in-situ stack monitoring system or an extractive system depending on sensitivity requirements. Capable of detecting organic and inorganic gases down to ppbv levels, the ARL-TH-2000-C is an ideal solution for complex gas analysis without the need for dilution.

Key Features:

• UV DOAS Principle: Utilizes ultraviolet light which has no moisture absorption, ensuring measurements are undisturbed by moisture and dust.
• Multi-Gas Detection: Capable of measuring multiple species such as SO2, NO, NO2, NH3, O3, Cl2, and HCl.
• No Cross Interference: Engineered to eliminate cross-interference between the gases being measured for high accuracy.
• Advanced Technology: Features spectrum automatic adjustment technology and contains no optical moving parts, making it resistant to vibration influence.
• Simultaneous Measurement: NO and NO2 can be measured at the same time without the need for a converter.
• High Sensitivity: Achieves low detection limits, with sensitivities reaching down to ppbv levels for certain gases.

Technical Specifications:

• Light Source: Broadband Pulsed or Continuous Wave UV light emission source.
• Detection Limits: NO < 0.2ppm-m, SO2 < 10ppb-m, and NO2 < 0.3ppm-m.
• Response Time: Rapid response in less than <1 second.
• Dynamic Range: Covers 5 orders of magnitude.
• Outputs and Networking: Up to thirty-two 4-20mA Analog Outputs, Ethernet, MODBUS-TCP/RTU, and Six Dry-Contact NC & NO Status Relays.
• Environment Conditions: Operates in temperatures from -10 °C to +50 °C, humidity of 5 – 95% RH, and pressure of 800 – 1,200 mbar.
• Data Software: LasIRView software provided for data review and statistical analysis.
• Power Supply: Input 100 – 240 VAC @ 50–60Hz or +12VDC.

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