JT33 TDLAS analyzer featuring closed enclosure with window

JT33 TDLAS gas analyzer

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

JT33

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Product photo of the JT33 TDLAS H2S analyzer with closed enclosure for natural gas / energy markets — JT33 TDLAS H₂S gas analyzer with sample conditioning system enclosure, door closed

JT33 analyzer for Oil & Gas industry to measure — JT33 featuring solenoid valves with one-point validation, in a sample conditioning system enclosure box, door removed

JT33 analyzer for Oil & Gas industry to measure H2S, with solenoid valves with two-point validation — JT33 featuring solenoid valves with two-point validation, in a sample conditioning system enclosure box, door removed

JT33 TDLAS gas analyzer for Oil & Gas industry to measure H2S — JT33 with a sample conditioning system enclosure (with window), mounted on a wall

J22 and JT33 TDLAS gas analyzers in a shelter installation for the Oil & Gas industry — Depiction of solution featuring a J22 and a JT33 TDLAS gas analyzer mounted in a shelter

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

Specs at a glance

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
CSA Class I, Division 1
CSA Class I, Zone 1

See all specifications

Field of application

The JT33 gas analyzer offers continuous, real-time H₂S measurement with low maintenance requirements. It enables plant operators and owners to meet gas quality standards, improve process control, and ensure asset integrity. Using proven differential technology, the JT33 tolerates stream changes while meeting measurement performance specifications. It also features auto-validation and advanced diagnostics supported by Heartbeat Technology for verification reporting.

Natural gas, biomethane, and carbon dioxide pipelines: prevent corrosion and minimize the risk of an uncontrollable event, ensuring asset integrity
Natural gas and LNG plants: optimize gas sweetening processes (amine, solid scavengers, and others)
NGL, refining, and petrochemical gas streams: assure gas quality and asset protection in fractionization, refining, and stream cracking processes
Carbon capture processes (CCUS): monitor processes and ensure that CO₂ meets quality specifications

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

Videos

The JT33 TDLAS gas analyzer product overview video

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.
- More information
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.
- More information

Xpert selection

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

Xpert: Master your most challenging applications

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Predecessor

SS2100A

Success stories

Measuring hydrogen quality in real time

Enapter uses optical analytical measurement technology from Endress+Hauser to determine the purity of hydrogen produced. Find out more!
Read the full story
Hydrogen blending for natural gas-fired turbines

Long Ridge Energy power plant is successfully showcasing the viability of clean hydrogen in the global Power & Energy industry.
Read the full story
Improved measurement of water content in natural gas

New TDLAS analyzers use updated designs and more connectivity options to provide high accuracy and reliability without traditional problems.
Read the full story
H2O in natural gas production, storage and transportation

How to measure water moisture in pipelines in the natural gas supply chain with TDLAS technology.
Read the full story
LNG: truck loading

Find out how to accurately measure the composition of LNG at truck loading with the use of a Raman Rxn4 analyzer.
Read the full story

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JT33 TDLAS gas analyzer: Reliable H₂S measurement

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TDLAS and QF analyzers technology guide

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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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Language:	Japanese
Version:	28/06/2024
File size:	4.5 MB
File name:	PU01459CJA_0323_TDLAS_QF_Analyzers_Guide.pdf

Language:	English
Version:	24/10/2024
File size:	4.6 MB
File name:	TI01722CEN_0324.pdf

Language:	English
Version:	24/10/2024
File size:	4.6 MB
File name:	TI01722CEN_0324.pdf

	EN
19/12/2024
25/09/2024
01/03/2024

Language:	English
Version:	19/12/2024
File size:	11.2 MB
File name:	BA02297CEN_0324.pdf

	EN
24/10/2024

	EN
24/10/2024

	EN
19/03/2025
27/04/2023

JT33 TDLAS gas analyzer

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

Specs at a glance

Analyte and measurement ranges

Hazardous area approvals

Field of application

Benefits

Videos

Tunable diode laser absorption spectroscopy (TDLAS)

Smart instrumentation through Heartbeat Technology

Xpert selection

Predecessor

Success stories

Measuring hydrogen quality in real time

Hydrogen blending for natural gas-fired turbines

Improved measurement of water content in natural gas

H2O in natural gas production, storage and transportation

LNG: truck loading

Could also interest you

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

Measuring principle

Channels

Analyte and measurement ranges

Measured variables

Ambient temperature range

Operating pressure range

Analyzer wetted materials

Power supply

Communication

Housing materials

Hazardous area approvals

Degree of protection

Product safety

Back

TDLASおよびQFアナライザアプリケーションガイド H2O、H2S、CO2、C2H2、NH3、O2の 正確で信頼性の高い測定

JT33 TDLAS gas analyzer Technical Information

JT33 TDLAS gas analyzer Technical Information

JT33 TDLAS gas analyzer Operating Instructions

J22 and JT33 TDLAS Gas Analyzer Description of device parameters

JT33 TDLAS gas analyzer Brief Operating Instructions

J22 and JT33 Firmware upgrade installation instructions

J22 and JT33 Electronics and display replacement Installation Instructions

JT33 TDLAS gas analyzer Safety Instructions

JT33 TDLAS gas analyzer Safety Instructions

JT33 TDLAS gas analyzer Safety Instructions

JT33 TDLAS gas analyzer Safety Instructions

Back

KIT, COVER WITH GLASS

Kit, cover, electronics

Kit, protective cover

KIT, DISPLAY MODULE

KIT, MODULE CARTRIDGE

KIT, CONNECTION TERMINAL

KIT, MEMORY, T-DAT

KIT, MEMORY, MICRO SD CARD

KIT, POWER SUPPLY, 100-230VAC

Kit, power supply

KIT, I/O MODULE, CONFIGURABLE I/O

KIT, I/O MODULE, RELAY OUTPUT

KIT, I/O MODULE, SLOT 1, RS485

Kit, relief valve

Kit, glass flowmeter

Kit, glass flowmeter

Kit, armored flowmeter

Kit, armored flowmeter

Kit, bracket

Kit, bracket

Kit, bracket

Kit, JT33, cover, optical head enclosure

Kit, regulator fitting

Kit, JT33, far mirror

Kit, service tools 02

Kit, connection terminals, heater/power

Kit, fuses, MAC

Kit, cover, MAC

Kit, interface RS485, MAC to OHE

Kit, interface thermistor, MAC to SCS

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

JT33 TDLAS gas analyzer: Reliable H₂S measurement

JT33 TDLAS gas analyzer - Reliable H₂S measurements

TDLASおよびQFアナライザアプリケーションガイド H2O、H2S、CO2、C2H2、NH3、O2の正確で信頼性の高い測定