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Specs at a glance
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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
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
Xpert selection
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Standard products
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Technical excellence
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
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Extended selection Optimize your processes with innovative technologies |
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Xpert selection Master your most challenging applications |
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Most downloaded
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Technical Information (TI)
JT33 TDLAS gas analyzer Technical Information
English version - 03/2024
System design and specifications for the JT33 TDLAS gas analyzer
Language:
English
Version:
01/03/2024
File size:
3.3 MB
File name:
TI01722CEN_0123.pdf
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32 documents
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Technical Information (TI)
JT33 TDLAS gas analyzer Technical Information
System design and specifications for the
JT33 TDLAS gas analyzerLanguage:
English
Version:
01/03/2024
File size:
3.3 MB
File name:
TI01722CEN_0123.pdf
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Operating Instruction (BA)
JT33 TDLAS gas analyzer Operating Instructions
Commission, operation, and maintenance details for the
JT33 TDLAS gas analyzerLanguage:
English
Version:
01/03/2024
File size:
6.5 MB
File name:
BA02297CEN_0123.pdf
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Short Instruction (KA)
JT33 TDLAS gas analyzer Brief Operating Instructions
Quick start guide for the JT33 TDLAS gas analyzer
Language:
English
Version:
01/03/2024
File size:
3.3 MB
File name:
KA01655CEN_0123.pdf
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Ex Safety Instruction (XA)
JT33 TDLAS gas analyzer Safety Instructions
ATEX/IECEx/UKEX Zone 1,
cCSAus Class I, Division 1/Zone 1Language:
English
Version:
01/03/2024
File size:
3.7 MB
File name:
XA03137CEN_0123.pdf
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PU (Publication)
TDLAS and QF analyzers application guide - Accurate and reliable measurement of H2O, H2S, CO2, C2H2, NH3, and O2
A guide to TDLAS and QF technology application notes (natural gas,
hydrogen, biomethane, carbon capture, LNG, gas processing, NGL
fractionation, petrochemical, syngas, ammonia, and refining) for the
oil & gas and chemical industries (relating to J22, JT33, SS500, SS2100,
SS2100a, SS2100i, and OXY5500 analyzers).Language:
English
Version:
27/11/2023
File size:
4.1 MB
File name:
PU01459CEN_0323.pdf
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PU (Publication)
Real-time quality measurements in biogas and biomethane
A discussion on using TDLAS / QF analyzers (SS500, J22,
JT33, SS2100, and OXY5500) to measure the concentration
of compounds in biogas and biomethane in the Oil & Gas industry.Language:
English
Version:
31/10/2023
File size:
1.4 MB
File name:
PU01455CEN_0223.pdf
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PU (Publication)
Factory acceptance test (FAT) information - For TDLAS and QF analyzers
An overview about the factory acceptance tests (FATs) offered for
TDLAS and QF analyzers (SS2100, SS2100i, SS2100a, J22, JT33,
SS500, OXY5500) to customers.Language:
English
Version:
16/10/2023
File size:
1.2 MB
File name:
PU01544CEN_0123.pdf
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PU (Publication)
Approval drawings - For TDLAS and QF analyzers
An overview about the engineered approval drawings offered
for TDLAS and QF analyzers (SS2100, SS2100i, SS2100a,
J22, JT33, OXY5500, SS500) to enable customers to confirm
that the system fabrication meets their approval.Language:
English
Version:
22/08/2022
File size:
357.9 KB
File name:
PU01488CEN_0122.pdf
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Innovation (IN)
JT33 TDLAS gas analyzer - Reliable H2S measurements
An overview brochure about the JT33 tunable diode laser absorption
spectroscopy (TDLAS) gas analyzer for hydrogen sulfide (H2S)
measurements, powered by SpectraSensors TDLAS technology.Language:
English
Version:
16/10/2023
File size:
3.9 MB
File name:
IN01298CEN_0123.pdf
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Innovation (IN)
TDLAS analyzers for refinery gases - Accurate and reliable measurement of H2S and H2O
An overview brochure of our tunable diode laser spectroscopy
(TDLAS) gas analyzers (including the JT33, SS2100, SS2100i,
and SS2100a TDLAS gas analyzers) to measure water /
moisture (H2O) and hydrogen sulfide (H2S) in the refining
industry segment of the chemical industry /
Oil & Gas industry using SpectraSensors technology.Language:
English
Version:
31/10/2023
File size:
8.7 MB
File name:
IN01234CEN_0223.pdf
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Innovation (IN)
TDLAS analyzers for olefins production - Accurate and reliable measurement of C2H2, NH3, H2O, H2S, and CO2
An overview brochure of our tunable diode laser absorption
spectroscopy (TDLAS) gas analyzers (including the JT33, SS2100,
SS2100i, and SS2100a TDLAS gas analyzers) to measure
acetylene (C2H2), ammonia (NH3), water / moisture (H2O),
hydrogen sulfide (H2S), and carbon dioxide (CO2) in the
olefins / chemical industry using SpectraSensors technology.Language:
English
Version:
31/10/2023
File size:
8.7 MB
File name:
IN01232CEN_0223.pdf
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Innovation (IN)
Increased gas quality, process control, and asset integrity - Reliable H2S measurement in real time with the JT33 TDLAS gas analyzer (eBrochure)
An eBrochure about the JT33 tunable diode laser absorption
spectroscopy (TDLAS) gas analyzer for hydrogen sulfide (H2S)
measurements in the Oil & Gas and Chemical industries, powered
by SpectraSensors TDLAS technology.Language:
English
Version:
26/01/2024
File size:
13.7 MB
File name:
JT33_IN01301C66EN01.24_eBrochure.pdf
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Innovation (IN)
TDLASおよびQFアナライザ技術ガイド - 動作原理、装置構成、認証情報
波長可変半導体レーザー吸光分光（TDLAS）および蛍光消光（QF）アナライザの製
Language:
Japanese
Version:
13/05/2024
File size:
6.1 MB
File name:
IN01235CJA_0623_TDLAS_QF_Analyzer_Guide.pdf
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Innovation (IN)
Guide technologique des analyseurs TDLAS et QF
Principe de fonctionnement, configurations et informations
de certificationLanguage:
French
Version:
09/01/2024
File size:
815.6 KB
File name:
IN01235CFR - TDLAS et QF.pdf
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Innovation (IN)
TDLAS and QF analyzers technology guide - Principle of operation, configurations, and certification information
A technology guide examining our tunable diode laser absorption
spectroscopy (TDLAS) and quenched fluorescence (QF) analyzer
portfolio (including the J22, JT33, SS500, SS2100, SS2100i, and SS2100a
TDLAS gas analyzers, and the OXY5500 precision oxygen analyzer) to
measure water / moisture (H2O), hydrogen sulfide (H2S), carbon
dioxide (CO2), oxygen (O2), ammonia (NH3), and acetylene (C2H2) in
natural gas process streams within the chemical industry / Oil & Gas
industry using SpectraSensors technology.Language:
English
Version:
27/11/2023
File size:
4.3 MB
File name:
IN01235CEN_0623.pdf
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Innovation (IN)
TDLAS analyzers for natural gas processing - Accurate and reliable measurement of H2O, H2S, and CO2
An overview brochure of our tunable laser diode absorption
spectroscopy (TDLAS) gas analyzers (including the J22, JT33,
SS2100, SS2100i, and SS2100a) to measure water / moisture (H2O),
hydrogen sulfide (H2S), and carbon dioxide (CO2) in the natural gas
processing segment of the Oil & Gas industry using SpectraSensors
technology.Language:
English
Version:
27/11/2023
File size:
3 MB
File name:
IN01233CEN_0223.pdf
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Innovation (IN)
Optical analysis technologies for LNG - Reliable, real-time TDLAS and Raman measurement
A portfolio overview brochure about our TDLAS and Raman
spectroscopy analyzer systems for the LNG / Oil & Gas industry
(includes the SS2100, SS2100i, SS2100a, J22, JT33, Raman Rxn4
and Raman Rxn5 analyzers, and the Raman Rxn-41 probe).Language:
English
Version:
27/11/2023
File size:
12.2 MB
File name:
IN01281CEN_0223.pdf
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Innovation (IN)
TDLASガスアナライザ JT33 - 信頼性の高いH2S測定
SpectraSensors社のTDLAS技術を搭載した硫化水素（H2S）測定用JT33波長可変半導体レーザー吸光分光（TDLAS）
ガスアナライザの概要パンフレットです。Language:
Japanese
Version:
13/05/2024
File size:
5.8 MB
File name:
IN01298CJA_0123_JT33_TDLAS_GasAnalyzer.pdf
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AI (Application note)
Natural gas processing: H2S in solid scavenger outlet
This application note discusses the use of TDLAS to measure hydrogen
sulfide in solid scavenger outlets.Language:
English
Version:
02/02/2024
File size:
218 KB
File name:
AI01246CEN_0224.pdf
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AI (Application note)
Natural gas processing: H2S in raw gas feed (produced gas)
This application note examines the use of TDLAS to measure hydrogen
sulfide concentration in raw natural gas.Language:
English
Version:
02/02/2024
File size:
210.9 KB
File name:
AI01304CEN_0224.pdf
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