Name: SS2100I
Brand: Endress+Hauser
Availability: InStock

SS2100i gas analyzer

Exceptionally reliable for measuring trace gas components

Product picture SS2100I-1 single box IECEx, ATEX Zone 1 TDLAS gas analyzer, right angle view

Product picture SS2100I-1 single box TDLAS gas analyzer, ATEX, Zone 1, front view, stacked

Product picture SS2100I-1 single box TDLAS gas analyzer, ATEX, Zone 1, certification, front view

Product picture SS2100I-2 dual box IECEx, ATEX Zone 1 TDLAS gas analyzer, right angle view

Product picture SS2100I-2 dual box TDLAS gas analyzer, ATEX, Zone 1, certification, front open view

SS2100i single and dual box process gas analyzer is reliable in harsh environments

SS2100i-1 modified

SS2100i-2

SS2100i-2 modified

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SS2100i gas analyzer

Exceptionally reliable for measuring trace gas components

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Benefits

Accurate, real-time measurements not hampered by wet-up (absorption) or dry-down (desorption)
Virtually maintenance free and reliable in harsh environments
Dependable with greater repeatability than surface-based sensors with NIST-traceable calibration
Analog and serial outputs for remote monitoring
Low cost of ownership, no consumables
Available for the following measurements: H₂O, CO₂, H₂S
ATEX/IECEx Zone 1 certified

Integrated technologies

Services and resources

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

FLEXible answers to individual needs

Current product

SS2100i gas analyzer

Specialized products
Designed for demanding applications

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

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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.

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

Tunable diode laser absorption spectroscopy (TDLAS)

Optimize plant safety and availability. Tunable diode laser absorption spectroscopy (TDLAS) rapidly and reliably measures concentrations in process gas streams in real time.

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Spare parts and accessories

further parts

Temperature control PCB

further parts

Order code 70156688

further parts

Display, LCD, 20x4, backlit, 5V, serial

further parts

Order code 70156697

further parts

Texts from BDIH missing (70156699)

further parts

Order code 70156699

further parts

O-rings, FKM, Herriott cell

further parts

Order code 70156703

Spare parts & accessories

TDLAS and QF analyzers technology guide

TDLAS and QF analyzers technology guide - Principle of operation, configurations, and certification information

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Quality & Compliance

TDLAS and QF analyzers application guide

Follow this guide to find out what TDLAS and QF technology application notes are available for the Oil & Gas and Chemical industries.

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Configuration details

SS2100i gas analyzers

Section	ID	Selected option
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CAD Drawings

Configuration support

Spare parts and accessories

further parts

Temperature control PCB

further parts

Order code 70156688

further parts

Display, LCD, 20x4, backlit, 5V, serial

further parts

Order code 70156697

further parts

Texts from BDIH missing (70156699)

further parts

Order code 70156699

further parts

O-rings, FKM, Herriott cell

further parts

Order code 70156703

Spare parts & accessories

Measuring principle	TDLAS
Measured variables	Concentration Cell Pressure Cell Temperature
Hazardous area approvals	IECEx / ATEX / CNEx / KCs / CCOE / JPNEx Zone 1
Measuring principle	TDLAS
Product headline	An advanced gas analyzer for hydrogen sulfide (H2S) measurement. The SS2100i uses tunable diode laser absorption spectroscopy (TDLAS) to determine the concentration of the analyte without coming into physical contact with the stream.
Channels	1
Analyte and measurement ranges	H2S (Hydrogen Sulfide): 0 to 10 ppmv 0 to 1000 ppmv 0 to 5000 ppmv 0 to 5% volume
Measured variables	Concentration Cell Pressure Cell Temperature
Ambient temperature range	-20 to 50°C (-4 to 122°F) Optional (i-2 only): -10 to 60°C (14 to 140°F)
Operating pressure range	Inlet Pressure: 140 to 350 kPa (20 to 50 psig) Sample Cell: 800 to 1200 mbara or 950 to 1700 mbara (optional)
Analyzer wetted materials	316L stainless steel FKM O-Rings Glass
Power supply	120 or 240 VAC ± 10 %, 50 to 60 Hz; 300W
Communication	Analog Output: Two 4-20mA Isolated, 1200 ohms at 24 VDC max load (measurement value) Analog Input: One 4-20mA Isolated, 1200 ohms at 24 VDC max load (process pressure) Serial: RS232C and Ethernet Protocol: Modbus Gould RTU or Daniel RTU or ASCII Digital Outputs: 5, Concentration Alarm, General Fault, Validation Fail, Validation 1 Active, Validation 2 Active Digital Inputs: 2, Flow Alarm, Validation Request
Housing materials	Electronics: Copper-free Aluminum Laser/Cell Enclosure: Copper-free Aluminum (i-2 only) Sample System Enclosure: 304 or 316 stainless steel
Hazardous area approvals	IECEx / ATEX / CNEx / KCs / CCOE / JPNEx Zone 1
Degree of protection	IP66
Product safety	CE
Metrological approvals	PAC China, Kazakhstan (i-1 only)
Measuring principle	TDLAS
Measured variables	Concentration Cell Pressure Cell Temperature
Hazardous area approvals	IECEx / ATEX / CNEx / KCs / CCOE / JPNEx Zone 1
Measuring principle	TDLAS
Product headline	An advanced gas analyzer for moisture (H2O) measurement. The SS2100i uses tunable diode laser absorption spectroscopy (TDLAS) to determine the concentration of the analyte without coming into physical contact with the stream.
Channels	1
Analyte and measurement ranges	H2O (Moisture): 0 to 10 ppmv 0 to 100 ppmv 0 to 50 ppmv 0 to 5000 ppmv
Measured variables	Concentration Moisture Dew Point Cell Pressure Cell Temperature
Ambient temperature range	-20 to 50°C (-4 to 122°F) Optional (i-2 only): -10 to 60°C (14 to 140°F)
Operating pressure range	Inlet Pressure: 140 to 350 kPa (20 to 50 psig) Sample Cell: 800 to 1200 mbara or 950 to 1700 mbara (optional)
Analyzer wetted materials	316L stainless steel FKM O-Rings Glass
Power supply	120 or 240 VAC ± 10 %, 50 to 60 Hz; 300W
Communication	Analog Output: Two 4-20mA Isolated, 1200 ohms at 24 VDC max load (measurement value) Analog Input: One 4-20mA Isolated, 1200 ohms at 24 VDC max load (process pressure) Serial: RS232C and Ethernet Protocol: Modbus Gould RTU or Daniel RTU or ASCII Digital Outputs: 5, Concentration Alarm, General Fault, Validation Fail, Validation 1 Active, Validation 2 Active Digital Inputs: 2, Flow Alarm, Validation Request
Housing materials	Electronics: Copper-free Aluminum Laser/Cell Enclosure: Copper-free Aluminum (i-2 only) Sample System Enclosure: 304 or 316 stainless steel
Hazardous area approvals	IECEx / ATEX / CNEx / KCs / CCOE / JPNEx Zone 1
Degree of protection	IP66
Product safety	CE
Metrological approvals	PAC China, Kazakhstan (i-1 only)
Measuring principle	TDLAS
Measured variables	Concentration Cell Pressure Cell Temperature
Hazardous area approvals	IECEx / ATEX / CNEx / KCs / CCOE / JPNEx Zone 1
Measuring principle	TDLAS
Product headline	An advanced gas analyzer for carbon dioxide (CO2) measurement. The SS2100i uses tunable diode laser absorption spectroscopy (TDLAS) to determine the concentration of the analyte without coming into physical contact with the stream.
Channels	1
Analyte and measurement ranges	CO2 (Carbon Dioxide): 0 to 10 ppmv 0 to 1000 ppmv 0 to 5000 ppmv 0 to 5% volume 0 to 10% volume 0 to 20% volume
Measured variables	Concentration Cell Pressure Cell Temperature
Ambient temperature range	-20 to 50°C (-4 to 122°F) Optional (i-2 only): -10 to 60°C (14 to 140°F)
Operating pressure range	Inlet Pressure: 140 to 350 kPa (20 to 50 psig) Sample Cell: 800 to 1200 mbara or 950 to 1700 mbara (optional)
Analyzer wetted materials	316L stainless steel FKM O-Rings Glass
Power supply	120 or 240 VAC ± 10 %, 50 to 60 Hz; 300W
Communication	Analog Output: Two 4-20mA Isolated, 1200 ohms at 24 VDC max load (measurement value) Analog Input: One 4-20mA Isolated, 1200 ohms at 24 VDC max load (process pressure) Serial: RS232C and Ethernet Protocol: Modbus Gould RTU or Daniel RTU or ASCII Digital Outputs: 5, Concentration Alarm, General Fault, Validation Fail, Validation 1 Active, Validation 2 Active Digital Inputs: 2, Flow Alarm, Validation Request
Housing materials	Electronics: Copper-free Aluminum Laser/Cell Enclosure: Copper-free Aluminum (i-2 only) Sample System Enclosure: 304 or 316 stainless steel
Hazardous area approvals	IECEx / ATEX / CNEx / KCs / CCOE / JPNEx Zone 1
Degree of protection	IP66
Product safety	CE
Metrological approvals	PAC China, Kazakhstan (i-1 only)

SS2100i gas analyzer

SS2100i gas analyzer

SS2100i gas analyzer

Product information

Spare parts and accessories

Related content

TDLAS and QF analyzers technology guide

TDLAS and QF analyzers application guide

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Spare parts and accessories

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SS2100i gas analyzer

SS2100i gas analyzer

SS2100i gas analyzer

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TDLAS and QF analyzers technology guide

TDLAS and QF analyzers application guide

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