Name: KR41
Brand: Endress+Hauser
Availability: InStock

Raman Rxn-41 probe

Offering simplified, reduced cost installation in the process environment

Product picture Raman Rxn-41 probe top view aiming left

Raman Rxn-41 probe with right angle electro-optical fiber connection

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Raman Rxn-41 probe

Offering simplified, reduced cost installation in the process environment

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Benefits

Constructed to individual site requirements
Sealed probe design
Integrated “laser on” indicator
One in/one out fiber optics
Direct insertion compatibility
Meets Category 1 pressure equipment safety standards
Suitable for hazardous area/classified environments

Integrated technologies

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.

FLEXible answers to individual needs

Current product

Raman Rxn-41 probe

High-end products
Highly functional and convenient

What is FLEX?

FLEX selections

Technical excellence

Simplicity

Fundamental selection Meet your basic measurement needs

Lean selection Handle your core processes easily

Extended selection Optimize your processes with innovative technologies

Xpert selection Master your most challenging applications

Variable

Learn more about the FLEX selections

Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

Technology

Raman spectroscopy - advanced optical analysis technology

Boost plant safety, ensure product quality, and optimize operations. Raman spectroscopy measures the composition and molecular structure of your samples from lab-to-process in real time.

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Selection of compatible products

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KFOC1 Raman fiber-optic cable

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1/2 inch sample chamber, raman probes

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Order code 71692819

further parts

Cap w/tab, 3/4 inch height, 1/2 inch OD

further parts

Order code 71671839

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Cap, 1/2 to 9/16 inch OD

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Cap w/tab, 1/2 inch height, 1/4 inch OD

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Raman Rxn-41 probe

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CAD Drawings

Configuration support

Spare parts and accessories

further parts

1/2 inch sample chamber, raman probes

further parts

Order code 71692819

further parts

Cap w/tab, 3/4 inch height, 1/2 inch OD

further parts

Order code 71671839

further parts

Cap, 1/2 to 9/16 inch OD

further parts

Order code 71671840

further parts

Cap w/tab, 1/2 inch height, 1/4 inch OD

further parts

Order code 71671443

Spare parts & accessories

Selection of compatible products

KFOC1 Raman fiber-optic cable

Innovative Raman fiber optics designed for maximum laser safety and easy installation

Raman calibration accessory

Fast, simple, and accurate wavelength and intensity calibration for Raman analyzers

Laser wavelength	532 nm, 785 nm, 1000 nm
Wetted materials	316L option Metal: 316L stainless steel Window: High-purity sapphire C276 option Metal: C276 alloy Window: High-purity sapphire Titanium option Metal: Grade 2 titanium Window: High-purity sapphire Hybrid metal combination option Metal: 316L stainless steel, C276 alloy Window: High-purity sapphire
Hazardous area certifications	ATEX, CSA, IECEx, UKCA, JPEx
Measuring principle	Raman spectroscopy
Laser wavelength	532 nm, 785 nm, 1000 nm
Spectral coverage	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)
Wetted materials	316L option Metal: 316L stainless steel Window: High-purity sapphire C276 option Metal: C276 alloy Window: High-purity sapphire Titanium option Metal: Grade 2 titanium Window: High-purity sapphire Hybrid metal combination option Metal: 316L stainless steel, C276 alloy Window: High-purity sapphire
Fiber optic cable	Cable sold separately
Length	Maximum immersible length is dependent on material choice
Diameter	25.4 or 60.33 mm 1 or 2.375 inch (25.4 mm / 1 inch only for Grade 2 Titanium)
Hazardous area certifications	ATEX, CSA, IECEx, UKCA, JPEx

Raman Rxn-41 probe

Raman Rxn-41 probe

Raman Rxn-41 probe

Product information

Selection of compatible products

Spare parts and accessories

Related content

Raman spectroscopic probes

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

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Raman Rxn-41 probe

Raman Rxn-41 probe

Raman Rxn-41 probe

Product information

Selection of compatible products

Spare parts and accessories

Related content

Raman spectroscopic probes

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

Products & Services

Industries

Support

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