The Raman Rxn-41 probe is a rugged, process insertion probe with no sample handling system. Its single cable design streamlines installation, eliminates risk scenarios, and minimizes installation cost for long fiber runs in the process environment. The Rxn-41 probe is ideally suited for use in chemical plants and refineries to measure batch or continuous flow production. For direct measurements in cryogenic fluids, an optimized cryogenic version of the Raman Rxn-41 probe is available.
Chemical: reaction monitoring, blending, feed and final product monitoring
Learn how Raman Spectroscopy can provide analysis solutions for challenging stream conditions, by reading the white paper focused on two different customer case studies.
Probe spectral coverage is limited by the coverage of the analyzer being used.
Ambient temperature
Nonexplosive environments: -30 to 70 °C / -22 to 158 °F Explosive environments: T3/T4: –20 to 70 °C / –4 to 158 °F T6: –20 to 65 °C / –4 to 149 °F Limited to normal ambient temperature IEC 60079-0 for Korea
Maximum laser power into probehead (mW)
< 499
Sample interface
Temperature (25.4 mm / 1 inch) standard configuration: -30 to 120 °C / -22 to 248 °F (316L stainless steel) -30 to 150 °C / -22 to 302 °F (C276 alloy) -30 to 150 °C / -22 to 302 °F (Grade 2 titanium) Temperature (25.4 mm / 1 inch) cryogenic configuration: -196 to 70°C / -320.8 to 158 °F (C276 alloy) -196 to 70 °C / -320.8 to 158 °F (Hybrid metal combination) Temperature (60.33 mm / 2.375 inch) standard configuration: -30 to 120°C / -22 to 248 °F (316L stainless steel) -30 to 150 °C / -22 to 302 °F (C276 alloy) -30 to 150 °C / -22 to 302 °F (Grade 2 titanium) Temperature ramp: ≤ 30 °C/min ≤ 54 °F/min Flange: up to 305 mm / 12 inch diameter, ASME B16.5 or DIN EN1092 Type B flanges available upon request Relative humidity: up to 95%, non-condensing
Pressure
Min pressure: Full vacuum (0 bara) but not ultrahigh vacuum (UHV) where outgassing may be a concern Max Pressure 25.4 mm / 1 inch standard probe: 141.5 barg / 2053 psig (316L stainless steel) 186.6 barg / 2707 psig (C276 alloy) 144.1 barg / 2090 psig (Grade 2 titanium) 25.4 mm / 1 inch cryogenic probe: 213.7 barg / 3100 psig (C276 alloy) 158.6 barg / 2300 psig (Hybrid metal combination) 60.33 mm / 2.375 inch probe: 49.7 barg / 721 psig (316L stainless steel) 68.8 barg / 998 psig (C276 alloy) 51.5 barg / 747 psig (Grade 2 titanium)
Raman spectroscopy installation in hazardous areas (ATEX,
IECEx, NEC/CEC)
PU (julkaisu)
Englanti - 04/2026
New version available in English
This learning article explains how Raman spectroscopy systems are safely installed in hazardous areas to meet ATEX, IECEx, and North American standards.
Raman analyzer application guide for the Oil & Gas,
Power & Energy, and Chemical industries - Composition
analysis of gas streams and LNG
PU (julkaisu)
Englanti - 01/2026
New version available in English
A guide to our Raman spectroscopy analyzer and probe portfolio, powered by Kaiser Raman technology, for composition analysis of gas streams and LNG (includes the Raman Rxn4 analyzer, the Raman Rxn5 analyzer, the Raman Rxn-30 probe, and Raman Rxn-41 probe) in the Oil & Gas, Power & Energy, and Chemical industries.
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