Name: JT33
Brand: Endress+Hauser
Availability: InStock

JT33 TDLAS gas analyzer

Reliable H₂S measurement for increased quality, process control, and asset integrity

Product pictures of JT33 TDLAS H2S analyzers with enclosures for Oil & Gas markets

Product photo of the JT33 TDLAS H2S analyzer with closed enclosure for natural gas / energy markets

JT33 TDLAS analyzer featuring closed enclosure with window

JT33 analyzer for Oil & Gas industry to measure

JT33 analyzer for Oil & Gas industry to measure H2S, with solenoid valves with two-point validation

JT33 TDLAS gas analyzer for Oil & Gas industry to measure H2S

J22 and JT33 TDLAS gas analyzers in a shelter installation for the Oil & Gas industry

JT33 TDLAS gas analyzers with sample conditioning system enclosures (door open and closed)

JT33 TDLAS H₂S gas analyzer with sample conditioning system enclosure, door closed

JT33 with a stainless-steel optical head, in a sample conditioning system enclosure with window

JT33 featuring solenoid valves with one-point validation, in a sample conditioning system enclosure box, door removed

JT33 featuring solenoid valves with two-point validation, in a sample conditioning system enclosure box, door removed

JT33 with a sample conditioning system enclosure (with window), mounted on a wall

Depiction of solution featuring a J22 and a JT33 TDLAS gas analyzer mounted in a shelter

The JT33 TDLAS gas analyzer product overview video

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JT33 TDLAS gas analyzer

Reliable H₂S measurement for increased quality, process control, and asset integrity

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Benefits

Continuous, real-time TDLAS measurements with proven metrology to meet measurement specifications
Robust patented differential technology which tolerates contaminants and stream changes in tough applications
Auto-validation to confirm analyzer health in the field
Heartbeat Technology for automatically stored historical data, spectrum logging, diagnostics, and verification reporting for custody transfer applications
NIST-traceable factory calibration with superior accuracy and repeatability
Field-serviceable components and modules for minimal downtime and maximum repair flexibility
User-friendly interface with an intuitive menu and integrated web server software

Integrated technologies

Services and resources

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

FLEXible answers to individual needs

Current product

JT33 TDLAS 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

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

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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Technology

Smart instrumentation through Heartbeat Technology

You want to increase plant performance and reduce costs? Our smart instrumentation portfolio with Heartbeat Technology offers in-depth device insight for more cost-efficiency and operational safety.

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Spare parts and accessories

further parts

Cover with glass, aluminum, for J series

further parts

Order code 70188828

Drawing number 3

further parts

Cover for electronics, aluminum

further parts

Order code 70188829

Drawing number 11

further parts

Protective cover for J series analyzer

further parts

Order code 70188831

Drawing number 1

further parts

Display module, for J series TDLAS

further parts

Order code 70188832

Drawing number 2

Spare parts & accessories

JT33 TDLAS gas analyzer: Reliable H₂S measurement

Increased gas quality, process control, and asset integrity - Reliable H₂S measurement in real-time with the JT33 TDLAS gas analyzer

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Brochure

JT33 TDLAS gas analyzer - Reliable H₂S measurements

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Quality & Compliance

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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JT33 TDLAS gas analyzer

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CAD Drawings

Configuration support

Spare parts and accessories

further parts

Cover with glass, aluminum, for J series

further parts

Order code 70188828

Drawing number 3

further parts

Cover for electronics, aluminum

further parts

Order code 70188829

Drawing number 11

further parts

Protective cover for J series analyzer

further parts

Order code 70188831

Drawing number 1

further parts

Display module, for J series TDLAS

further parts

Order code 70188832

Drawing number 2

Spare parts & accessories

Measuring principle	TDLAS
Analyte and measurement ranges	H2S (Hydrogen sulfide): 0 to 10 ppmv 0 to 500 ppmv other ranges by request
Hazardous area approvals	ATEX / IECEx /UKEx Zone 1 PESO / KTL / JPNEx Zone 1 INMETRO Zone 1 CNEx Zone 1 CSA Class I, Division 1 CSA Class I, Zone 1
Measuring principle	TDLAS
Product headline	The JT33 TDLAS H2S analyzer provides reliable, continuous, real-time H2S measurement with proven metrology and is distinguished by a robust differential measurement technology. It can monitor H2S in light or heavy streams, has a fast response to stream changes, and an ability to tolerate contamination with minimal maintenance for exceptional analyzer availability. It is supported by Heartbeat Technology for advanced diagnostics and utilizes superior measurement algorithms.
Channels	1
Analyte and measurement ranges	H2S (Hydrogen sulfide): 0 to 10 ppmv 0 to 500 ppmv other ranges by request
Measured variables	Concentration Cell pressure Cell temperature
Ambient temperature range	JT33 TDLAS gas analyzer system: –20 to 50 °C (–4 to 122 °F) –10 to 60 °C (14 to 140 °F)
Operating pressure range	Application dependent 800 to 1200 mbara (standard) 800 to 1700 mbara (optional)
Analyzer wetted materials	316L stainless steel FKM O-Rings Glass PCTFE/PTFE
Power supply	For controller (spectrometer): AC 100 to 240 V tolerance ±10 %, 50/60 Hz, 10W DC 24 V tolerance ±20 %, 10W UM = AC 250 V For sample conditioning system electronics: AC 100 to 240 V ±10 %, 50/60 Hz, 275W UM = AC 250 V
Communication	I/O1: Modbus RTU/RS485 or Modbus TCP/Ethernet I/O2 and 3: Relay output or Universal I/O (UIO); UIO can be configured as analog input/output (4-20 mA) or digital/status output Service web server interface: Ethernet RJ45
Housing materials	Electronics: Coated copper-free aluminum or Cast stainless steel Sample system enclosure: 304 stainless steel or 316 stainless steel Sample system panel: Anodized aluminum Enclosure window (optional): Polycarbonate
Hazardous area approvals	ATEX / IECEx /UKEx Zone 1 PESO / KTL / JPNEx Zone 1 INMETRO Zone 1 CNEx Zone 1 CSA Class I, Division 1 CSA Class I, Zone 1
Degree of protection	IP66, Type 4X
Product safety	CE RCM FCC CRN

JT33 TDLAS gas analyzer

JT33 TDLAS gas analyzer

JT33 TDLAS gas analyzer

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JT33 TDLAS gas analyzer: Reliable H₂S measurement

JT33 TDLAS gas analyzer - Reliable H₂S measurements

TDLAS and QF analyzers technology guide

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JT33 TDLAS gas analyzer

JT33 TDLAS gas analyzer

JT33 TDLAS gas analyzer

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Related content

JT33 TDLAS gas analyzer: Reliable H2S measurement

JT33 TDLAS gas analyzer - Reliable H2S measurements

TDLAS and QF analyzers technology guide

TDLAS and QF analyzers application guide

Choose from our suggested options

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JT33 TDLAS gas analyzer: Reliable H₂S measurement

JT33 TDLAS gas analyzer - Reliable H₂S measurements