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Raman Rxn4 analyzer

Rugged, reliable Raman analyzer ensuring 24/7 process and quality monitoring

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Raman Rxn4 analyzer

Rugged, reliable Raman analyzer ensuring 24/7 process and quality monitoring

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Benefits

  • Robust, reliable, and highly accurate
  • Easy installation and minimal maintenance/downtime
  • 24/7 inline, online, or at-line process measurement and monitoring
  • Unified internal construction enables straightforward model transfer to support redundant analyzer systems
  • Intuitive, fully embedded Raman RunTime control software via touchscreen or remote interface
  • Scale-up, scale-out, and cGMP/pilot-plant compatible
  • Suitable for outputs into hazardous area/classified environments

Integrated technologies

Raman spectroscopy - advanced optical analysis technology

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.
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Raman Rxn4 analyzer

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FLEX selections
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Fundamental selection Meet your basic measurement needs
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Xpert selection Master your most challenging applications
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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.

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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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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.

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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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Product information

Product Picture Raman Rxn4 analyzer front facing left corner view
Raman Rxn4 analyzer
Specifications
Liquid
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Description

The Raman Rxn4 analyzer powered by Kaiser Raman technology is the optimal choice for manufacturing or process environments. Raman Rxn4 provides high-resolution performance for in situ, real-time measurement and control. It features unique self-monitoring, diagnostics, and self-calibration to ensure the validity of each measurement. Stackable in a standard 19" rack, the Raman Rxn4 saves valuable space on the production floor. It is also offered with an optional stainless steel NEMA 4X enclosure.

Field of application
  • Chemical: reaction monitoring, blending, catalysis investigations
  • Polymer: polymerization reaction monitoring, extrusion monitoring, polymer blending
  • Pharmaceutical: API reaction monitoring, crystallization, polymorph
  • Biopharmaceutical: bioprocess monitoring and control, PAT/QbD applications, cell culture, fermentation, downstream operations, cGLP/cGMP compatible
  • Food & Beverage: Mapping of meats and fish, fermentation, reaction monitoring
  • Oil & Gas: LNG, refining, energy measurements
Benefits
  • Robust, reliable, and highly accurate
  • Easy installation and minimal maintenance/downtime
  • 24/7 inline, online, or at-line process measurement and monitoring
  • Unified internal construction enables straightforward model transfer to support redundant analyzer systems
  • Intuitive, fully embedded Raman RunTime control software via touchscreen or remote interface
  • Scale-up, scale-out, and cGMP/pilot-plant compatible
  • Suitable for outputs into hazardous area/classified environments
Downloads
Most downloaded
Technical Information (TI)
Raman Rxn4 Technical Information System design and specifications for the Raman Rxn4 analyzer -
powered by Kaiser Raman technology
English version - 11/2023
Download
Operating Instruction (BA)
Raman Rxn4 Operating Instructions Commissioning, operation, and maintenance details
for the Raman Rxn4 analyzer - powered by Kaiser Raman technology
English version - 03/2024
Download
Technical Information (TI)
Raman data library 2.1 Technical Information System information and specifications for the Raman data library 2.1
English version - 09/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
140 Downloads
Technical Information (TI)
Most downloaded
Raman Rxn4 Technical Information System design and specifications for the Raman Rxn4 analyzer -
powered by Kaiser Raman technology
English version - 11/2023
Download
Technical Information (TI)
Raman data library 2.1 Technical Information System information and specifications for the Raman data library 2.1
English version - 09/2025
Download
Operating Instruction (BA)
Raman RunTime v6.6 Operating Instructions Commissioning, operation, and maintenance details
for Raman RunTime v6.6 software
English version - 03/2025
Download
Operating Instruction (BA)
Raman data library 2.1 Administrator Operating Instructions Instructions for administration of Raman data library 2.1 software
English version - 09/2025
Download
Operating Instruction (BA)
Most downloaded
Raman Rxn4 Operating Instructions Commissioning, operation, and maintenance details
for the Raman Rxn4 analyzer - powered by Kaiser Raman technology
English version - 03/2024
Download
Operating Instruction (BA)
Raman data library 2.1 User Operating Instructions Instructions for use of Raman data library 2.1
English version - 09/2025
Download
Operating Instruction (BA)
LNG parameters & calibration Operating Instructions A complete overview of the LNG parameters and calibration for the
Raman analyzer
English version - 08/2024
Download
Short Instruction (KA)
Raman data library Brief Operating Instructions Brief instructions and start-up instructions for Raman data library
software
English version - 08/2024
Download
Short Instruction (KA)
Raman Rxn4 Brief Operating Instructions Quick start guide for the Raman Rxn4 analyzer -
powered by Kaiser Raman technology
English version - 11/2023
Download
Installation Instructions (EA)
LNG analyzer performance verification kit Installation Instructions Instructions for use of the LNG analyzer performance verification kit
English version - 03/2023
Download
Ex Safety Instruction (XA)
Raman Rxn4 Safety Instructions Hazardous area certifications and installation instructions
for the Raman Rxn4 analyzer - powered by Kaiser Raman technology
English version - 01/2025
Download
PU (Publication)
Top must-read Biopharma 4.0 articles - Stay informed about the latest research embracing Biopharma 4.0 principles A list of published technical articles related to Biopharma 4.0
topics with recommendations from Life Science industry experts
at Endress+Hauser.
English version - 06/2025
Download
PU (Publication)
Endress+Hauser - ライフサイエンス技術のワンストップパートナー Endress+Hauserが、ライフサイエンス分野の専門知識と、ラマン分
光システム(Raman Rxn2、Raman Rxn4、Rxn-10、Rxn-45、Rxn-46、
バイオマルチオプティックおよびスリーブ、フローフィル、フロー
ベンチ、シングルユース用Ramanオプティックシステム)や水質分
析センサ技術(Liquiline CM44P、CM442、OUSAF44、OUSBT66、
Memosens CPS61E、CLS82E、COS81E、CLS82E)などの信頼性の高い
インラインおよびリアルタイム測定技術によって、世界トップクラ
スのバイオ医薬品メーカーから信頼されている理由を強調したグラ
フィック。
Japanese version - 10/2024
Download
PU (Publication)
エネルギー転換 - 当社のガスアナライザは準備ができています エネルギー転換の概要と、石油・ガス産業における炭素から再生可
能エネルギー、天然ガス、水素、LNG、バイオガスなどへのエネル
ギーサプライチェーン転換の需要に対応するためのTDLAS、QF、ラ
マン分光法(J22、OXY5500、Raman Rxn4、Raman Rxn5アナライザを
含む)によるガス分析の重要性。
Japanese version - 05/2024
Download
PU (Publication)
Biopharma 4.0 model graphic Graphic illustrating the core elements of Biopharma 4.0 including
product lifecycle stages, role of PAT/QbD, and 12 key advanced
technologies for scientists and process engineers in the Life
Sciences, applicable to Raman spectroscopy systems (Raman
Rxn2, Raman Rxn4, Rxn-10, Rxn-45, Rxn-46, bio multi optic and
sleeve, flow cell and flow bench, Raman optic system for single
use, and Raman calibration & verification kits).
English version - 05/2025
Download
PU (Publication)
Raman Rxn4 analyzer - LNG custody transfer analyzer An overview brochure about the Raman Rxn4 analyzer,
a Raman spectroscopy analyzer powered by Kaiser Raman
technology for LNG custody transfer in the Oil & Gas industry.
English version - 01/2022
Download
PU (Publication)
Raman data library -- Faster time to market with increased insight, productivity, and data integrity This document provides insight into the core and cGxP
features of Raman data library (data organization, visualization,
user management, and univariate analysis for Raman Rxn2
and Raman Rxn4 analyzers), while also addressing common
questions regarding the software's functionalities.
English version - 06/2024
Download
PU (Publication)
Advanced process and product control in fermentations - Raman spectroscopy for composition analysis in a lab or process An overview of Raman spectroscopy analyzer systems (including the
Raman Rxn2 analyzer, Raman Rxn4 analyzer, Rxn-10 probe, and Rxn-45
probe), powered by Kaiser Raman technology, for fermentation
compositional analysis in a lab or process applicable to biotechnology
in the food & beverage industry.
English version - 03/2022
Download
PU (Publication)
Raman application guide for the life science industry - Trusted composition analysis for the life sciences A guide to our Raman spectroscopy application notes for the
Life Science industry (featuring the Raman Rxn2 analyzer,
Raman Rxn4 analyzer, Rxn-10 probe, Rxn-20 probe, Rxn-45 probe,
Rxn-46 probe, and probe accessory optics (bIO-Optic, Raman single
use optic system / SUB, immersion optic, non-contact optic).
English version - 04/2022
Download
PU (Publication)
Kaiser Raman technology and Sartorius BioPAT Spectro® collaboration Q&A - Scalable, real-time bioprocess monitoring solutions A Q&A about how our Raman spectroscopy analyzer systems
(including the Raman Rxn2 analyzer, Raman Rxn4 analyzer,
and Rxn-46 probe), powered by Kaiser Raman technology, integrates
with the Sartorius BioPAT Spectro platform (Ambr and biostat STR) for
high throughput and single use (SUB) bioprocessing in the
biopharmaceutical life science industry.
English version - 12/2021
Download
PU (Publication)
効率的なバイオ医薬品の製品開発ライフサイクルのために拡張性を優先 この技術文書では、ライフサイエンス産業におけるバイオプロセス
の競争優位性としての拡張性の重要性と、Endress+Hauserの拡張性
のあるラマンシステム(Raman Rxn2、Raman Rxn4、Rxn-10、Rxn-45
、Rxn-46、バイオマルチオプティックおよびスリーブ、フローフィ
ル、フローベンチ、シングルユース用Ramanオプティックシステム)
、水質分析センサ技術、および水質分析製品ラインナップ
(LiquilineCM44P、CM442、OUSAF44、OUSBT66、Memosens CPS61E、
CLS82E、COS81E、CLS82E)について考察しています。
Japanese version - 10/2024
Download
PU (Publication)
石油・ガスおよび化学産業向け ラマン分光計アプリケーションガイド - ガスストリームおよびLNGの組成分析 化学産業および石油・ガス産業におけるガスストリームおよび LNG
の組成分析用(Raman Rxn4 アナライザー、Raman Rxn5 アナライザ
ー、Raman Rxn-30 プローブ、Raman Rxn-41 プローブを含む)、
Kaiser Raman テクノロジーによるラマン分光アナライザーおよび
プローブ製品ラインアップのご案内です。
Japanese version - 05/2024
Download
PU (Publication)
ライフサイエンスにおけるラボからプロセスまでの監視と制御 バイオプロセスの物理的・化学的特性の信頼性の高い測定 この製品リストは、ライフサイエンス業界におけるバイオプロセス
用途向けに、光学分析および液体分析の両方から提供される分析機
器をまとめたものです。含まれる製品には、Raman Rxn2アナライザ
、Raman Rxn4アナライザ、Rxn-10プローブ、バイオマルチオプティ
ックおよびバイオスリーブ、ラマンフローアセンブリ、Rxn-45プロ
ーブ、Rxn-46プローブ、シングルユース向けラマンオプティックシ
ステム、Memosens CPS61E、Memosens COS81E、OUSBT66、Memosens
CPS77E、Memosens CLS82E、OUSAF44、Memosens CPS11E、Memosens
CLS16E、TOCアナライザーCA79、Liquiline変換器プラットフォーム
、およびMemobaseソフトウェアが含まれています。
Japanese version - 08/2025
Download
PU (Publication)
Energiewende Unsere Gasanalysegeräte sind bereit Ein Überblick über die Energiewende
und die Bedeutung der Gasanalyse.
German version - 06/2025
Download

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further parts

IOT touchscreen, benchtop with cables

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further parts
Order code 70187807
further parts
further parts

IOT touchscreen, rack mounted

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further parts
Order code 70188145
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IOT KVM, keyboard and display switch

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Order code 70188171
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Rxn2/4, spare laser key, IOT

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Order code 70188173
Spare parts & accessories
Product Picture Raman Rxn4 analyzer front facing left corner view
Raman Rxn4 analyzer

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Spare parts and accessories

further parts
further parts

IOT touchscreen, benchtop with cables

further parts
further parts
Order code 70187807
further parts
further parts

IOT touchscreen, rack mounted

further parts
further parts
Order code 70188145
further parts
further parts

IOT KVM, keyboard and display switch

further parts
further parts
Order code 70188171
further parts
further parts

Rxn2/4, spare laser key, IOT

further parts
further parts
Order code 70188173
Spare parts & accessories