PRODUCT DATASHEET HALO Max QCL™ QCL-CRDS ANALYZER FOR PPT LEVEL CO AND CO2 DETECTION Our first analyzer series based on Quantum Cascade Laser Cavity Ring-Down Spectroscopy (QCL-CRDS), the HALO Max QCL offers: • arts-per-trillion (ppt) detection capability for P carbon monoxide (CO) and carbon dioxide (CO2) in UHP bulk gases • ncorporates mid-infrared QCL technology I to achieve the ultimate sensitivity • bsolute measurement (freedom A from calibration) • xcellent speed of response at ppb levels E and below • ontinuous measurement – no batch processing C typical with GCs • obust design & R maximu

See gas performance table on the next page See gas performance table on the next page ± 0.75% or see table on the next page ± 4% or LDL < 1 min to 95% 10°C to 40°C, 30% to 80% RH (non-condensing) -10°C to 50°C Specifications Performance Operating range: Detection limit (LDL, 3o/24h): Precision (1o, greater of): Accuracy (greater of): Speed of response: Environmental conditions: Storage temperature: Sample gas connections: Leak tested to: Inlet pressure: Flow rate: Sample gases: Gas temperature: Purge gas (co2 only): Purge gas connection: 1/4" male VCR inlet and outlet 1 x 10-9 mbar l / sec 6...

HALO Max QCL CO Performance, CO In Nitrogen: In Helium: In Argon: In Hydrogen: In Oxygen: In Clean Dry Air (CDA): HALO Max QCL CO2 Performance*, CO2 In Nitrogen: In Helium: In Argon: In Hydrogen: In Oxygen: In Clean Dry Air (CDA): *Due to the high abundance of CO2 in air, purging of the analyzer housing is required to achieve specified LDL (see previous page for purge gas requirements). Contact us for additional analytes and matrices. U.S. Patent # 7,277,177

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