©Endress+Hauser
©Endress+Hauser
Specs at a glance
Device version
Cross-duct version Measuring probe version
Ambient temperature range
–20 °C ... +50 °C Depends on parameterization; temperature change max. ±10 °C/h
Field of application
Reliability, accuracy and very short response times are the decisive features of the GM700 laser gas analyzer. Based on the TDLS (tunable diode laser spectroscopy) principle, the GM700 measures different gas components, such as NH3, HF, HCl oder H2O, by specific light absorption. In-situ measurement is particularly well-suited to the rapid determination of gas concentrations in process control and emission monitoring.
Ammonia slip measurement in DeNOx plants
Emission monitoring of hydrogen fluoride in aluminum smelters
HCI measurement in combustion plants
Device properties:
High selectivity due to high spectral resolution
Short response times
No calibration required
No moving parts: minimal wear and tear
No gas sampling or conditioning required
Benefits
In-situ measurement directly in the process for nearly uncompromised measured values
Measuring probe or cross-duct types for very good adaptation to the requirements of your measuring task
High reliability during operation
Can also be used in harsh ambient conditions
Enables the detection of quick and short-term process fluctuations
Xpert selection
Specialized products
Designed for demanding applications
Technical excellence
Simplicity
©Endress+Hauser
Simple products
Easy to select, install and operate
Technical excellence
Simplicity
Standard products
Reliable, robust and low-maintenance
Technical excellence
Simplicity
High-end products
Highly functional and convenient
Technical excellence
Simplicity
Specialized products
Designed for demanding applications
Technical excellence
Simplicity
FLEX selections
Technical excellence
Simplicity
Fundamental selection
Meet your basic measurement needs
Technical excellence
Simplicity
Lean selection
Handle your core processes easily
Technical excellence
Simplicity
Extended selection
Optimize your processes with innovative technologies
Technical excellence
Simplicity
Xpert selection
Master your most challenging applications
Technical excellence
Simplicity
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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
Measuring principle
Diode laser spectroscopy (TDLS)
Performance-tested measurands
Device version
Cross-duct version Measuring probe version
Certified measuring ranges
HF: 0 ... 5 mg/m³ / 0 ... 25 mg/m³ Suitability-tested in the cross-duct type
Measuring range
NH3 (up to 20% H2O by volume): 0 ... 25 ppm / 0 ... 4,000 ppm NH3 (up to 40% H2O by volume): 0 ... 25 ppm / 0 ... 100 ppm HCl: 0 ... 10 ppm / 0 ... 3,000 ppm HF: 0 ... 5 ppm / 0 ... 2,000 ppm Measuring ranges refer to 1 m measuring path Measuring ranges depend on application and device version
Ambient temperature range
–20 °C ... +50 °C Depends on parameterization; temperature change max. ±10 °C/h
Ambient humidity
≤ 95 % Relative humidity; non-condensing
Conformities
Only for HF Approved for plants requiring approval 2001/80/EC (13. BImSchV) 2000/76/EC (17. BImSchV) 27. BImSchV German Clean Air Regulations EN 15267 EN 14181
Most downloaded
GM700 – in-situ laser gas analyzer
English version - 01/2025
In-situ laser gas analyzer for emission monitoring and process measurement
Language:
English
Version:
01/01/2025
File size:
3.6 MB
File name:
8029983_IN_GM700_en_V4-0_2025.01_EHS.pdf
Solutions for chemicals, petrochemicals and refineries
English version - 01/2025
Endress+Hauser offers a broad product portfolio of continuous gas analyzers using state-of-the-art technologies.
Language:
English
Version:
01/01/2025
File size:
3.1 MB
File name:
8030415_CPR_en_V1-0_2025.01_EHS.pdf
8 documents
Gas Analyzer, Probe Version
EN
German
Select other language
01/01/2025
Language:
English
Version:
01/01/2025
File size:
10 MB
File name:
8029926_1R0E_OI_GM700_Probe_en_V2-2_2025-05_EHS.pdf
for non-Ex analyzer devices
Language:
English
Version:
01/01/2025
File size:
2.4 MB
File name:
8030257_XA_Safety_Information_non-Ex_ml_V1-0_2016-06_WEB.pdf
Solutions for chemicals, petrochemicals and refineries
Endress+Hauser offers a broad product portfolio of continuous gas analyzers using state-of-the-art technologies.
Language:
English
Version:
01/01/2025
File size:
3.1 MB
File name:
8030415_CPR_en_V1-0_2025.01_EHS.pdf
Solutions for waste-to-energy plants
Endress+Hauser offers ideal automation and safety solutions for collection, sorting and recycling of waste.
Language:
English
Version:
01/01/2025
File size:
2.4 MB
File name:
8030416_SO_Waste_en_V1-0_2025.01_EHS.pdf
Solutions for gas-fired power plants
With our broad range of solutions Endress+Hauser has proven applicability in the entire power generation process, from gas flow to combustion efficiency to emissions monitoring.
Language:
English
Version:
01/01/2025
File size:
4.2 MB
File name:
8030417_SO_Power_en_V1-0_2025.01_EHS.pdf
Soluzioni per il monitoraggio delle
emissioni
Soluzioni per il monitoraggio delle emissioni Ampio portfolio e vasta esperienza
Language:
Italian
Version:
27/05/2025
File size:
4.5 MB
File name:
CP01596C16IT01.25-00.pdf
Emission Monitoring Solutions – broad instrument portfolio and
longstanding experience
An overview brochure about emission monitoring, their measuring principles and technologies, global requirements and services, a selection guide and the measuring devices at a glance
Language:
English
Version:
01/01/2025
File size:
4.9 MB
File name:
8029975_CP_Emission_Monitoring_Solutions_en_V3-0_2025.01_EHS.pdf
GM700 – in-situ laser gas analyzer
In-situ laser gas analyzer for emission monitoring and process measurement
Language:
English
Version:
01/01/2025
File size:
3.6 MB
File name:
8029983_IN_GM700_en_V4-0_2025.01_EHS.pdf
156 spare parts & accessories
156 spare parts
156 accessories
CABLE,RD FEM /FER 4M000 320.75
CABLE,RD. FEM /FER 0M200 20.75
SP-SET REFERENCE CUVETTE W.FIXTURE
SP-SET LENS CARRIER MODULE NH3
SP-SET RECEIVER MODULE NH3
SP-SET EB-TDLS NH3 HEATER
SP-SET EB-TDLS PROCESSOR NH3
SP-SET EB-CONNECTOR MALE ESD
SP-SET OPTICAL FIBER W.SCREW THREAD HULL
SP-SET LENS CARRIER MODULE O2
SP-SET RECEIVER MODULE O2
SP-SET DETECTOR MODULE-KL O2
SP-SET LD-TRANSMITTER UNIT O2
SP-SET EB-TDLS PROCESSOR O2 ESD
SP-SET LENS CARRIER MODULE HF
SP-SET RECEIVER MODULE HF
SP-SET DETECTOR MODULE-KL HF
SP-SET LD-TRANSMITTER UNIT HF
SP-SET EB-TDLS PROCESSOR HF ESD
SP-SET MOUNT. DEVICE O2 - NH3 - HF
SP-SET MOUNTING KIT FLANGE
SP-SET OPTICAL MOUNT W. WEDGE
SP-SET EB-TDLS PROCESSOR HCL ESD
SP-SET CUVETTE UNIT PERMANENT HCL
SP-SET LD-TRANSMITTER UNIT HCL ESD
SP-SET DETECTOR MODULE-KL HCL ESD
SP-SET RECEIVER MODULE HCL ESD
SP-SET LENS CARRIER MODULE HCL
SP-SET EB-TDLS HCL HEATER ESD
SP-SET CUVETTE UNIT PERMANENT HF
SP-SET DETECTOR ASSEMBLY HF
SP-SET DETECTOR ASSEMBLY O2
SP-SET DETECTOR ASSEMBLY HCL
SP-SET DETECTOR ASSEMBLY NH3
CABLE,RD. FEM /FEM 2M000 30.25
SP-SET EB-TDLS PROCESSOR O2 ESD
SP-SET EB-TDLS PROCESSOR HF ESD
SP-SET EB-TDLS PROCESSOR HCL ESD
SP-SET EB-TDLS PROCESSOR HCL ESD
SP-SET LD-SENDER UNIT NH3 VCSEL ESD
SP-SET DETECTOR MODULE-KL NH3 VCSEL ESD
SP-SET RECEIVERMODUL NH3 VCSEL ESD
SP-SET DETECTOR ASSEMBLY NH3 VCSEL ESD
SP-SET COMPL. PAC.LASER CANGE NH3 VCSEL
SP-SET UPDATE/CHANGE TO NH3 VCSEL-LASER
SP-SET FRONT DISK USAGE GPP700
SP-SET EB-SYSTEM CONTROL GMA700-002
SP-SET EB-SYSTEM CONTROL GMA700-003
SP-SET EB-SYSTEM CONTROL GMA700-005
SP-SET EB-SYSTEM CONTROL GMA700-001
SP-SET LWK HERRIOTT W.ISOLATION SO2
SP-SET LWK HERRIOTT W.ISOLATION
SP-SET WEDGE WINDOW USAGE GPP700
SP-SET RESISTOR-THERMOMETER PT1000 30MM
CABLE,RD. FEM /FEM 2M000 30.25
CONVERSION KIT GPP700 REFLECTOR CAPSULED
SP-SET CONTROL UNIT FS840
SP-SET SEALS CONNECTOR CASING
SP-SET PRES.SENSOR -1-4BAR PMP55
SP-SET SOLENO.VALVE 2G/3G
SP-SET PROC.TRANSMITTER ATEX
SP-SET SEALS INTERMEDIATE HOUSING
SP-SET REF TAPER WASH.CONCAVE TRIPLE LG
CONVERSION KIT GPP700 REFLECT.CAP.1.4539
SP-SET GPP700 REFLECTOR CAPSULED
SP-SET REF.TAPER.WASH.CONC.TRI.LG.1.4539
LABEL REPAIR ATEX/IECEX R
BULKHEAD FITT.STRAIG 1/8" SS
STRAIGHT UNION 6MM 6MM W.FILTER 10MUE SS
FITTING.90DEG. 6MM 6MM SS
FITTING.REDU.STRAIG 1/4" 6MM SS
SOLENO.VALVE A 1,6 6BAR DC24V NC
CABLE,RD. FEM /FER 4M000 31.5
SP-SET HEATING-WINDOW GPP35/031
SP-SET HEATING-REFLECT. GPP35/031
SP-SET FILTER CARTRIDGE L= 750 TEF+CER
SP-SET FILTER CARTRIDGE L=1000 TEF+CER
SP-SET PCBA-CONNECTOR MALE ESD
SP-SET CABLE W.TEMPERATURE SENSOR 0,290M
SP-SET SCWITCH,KEYBOARD FOIL BUTTON
SP-SET RESISTO.-THERMOM.PT100 L=1000
SP-SET SEALING RING D2254010.4 ESD
SP-SET SEAL RING W.HOSE CLAMP ESD
CABLE,RD. MALE/FEM 0M800 320.75
FILTER CARTR.CERAMIC L= 250MM SPARE PART
FILTER CARTR.CERAMIC L= 500MM SPARE PART
FILTER CARTR.CERAMIC L= 750MM SPARE PART
FILTER CARTR.CERAMIC L=1000MM SPARE PART
SP-SET EB-CONNECTOR FEMALE ESD
CABLE,RD. MALE/FEM 5M000 20.34
SP-SET SEAL RING W.HOSE CLAMP
SP-SET FILTER CART.L= 500 TEF+CER 1.4539
SP-SET FILTER CART.L= 750 TEF+CER 1.4539
SP-SET FILTER CARTRIDGE L= 500 TEF+CER
SP-SET FILTER CART.L=1000 TEF+CER 1.4539
SP-SET PR.MEAS.N. DA=40 0-160QM/H0-60MBR
SP-SET PR.MEA.NOZ.DA=40 0-90QM/H 0-60MBR
SP-SET SEAL CONNECTION HOUSING
SP-SET FILTER CART. L=1000 CERA. 1.4539
SP-SET FILTER CART. L= 750 CERA. 1.4539
SP-SET SEAL FOR FLANGE D235352
SP-SET CABLE, FL. MALE/MALE 0,150M
SP-SET HEATING TRIPLE 48V W.CLAMP
SP-SET SEALING RING D2254010.4
SP-SET F. FRONT LENS ASS. SMALL MAINT.
SP-SET SEAL.CORD FOR HOUSING GMP-/GPP35
SP-SET TEMPERATURE SENS. PT1000 L=1610MM
SP-SET TEMPERATURE SENS. PT1000 L=420MM
SP-SET TEMPERATURE SENS. PT1000 L=2360MM
SP-SET TEMPERATURE SENS. PT1000 L=2110MM
SP-SET TEMPERATURE SENS. PT1000 L=600MM
SP-SET TEMPERATURE SENS. PT1000 L=810MM
SP-SET TEMPERATURE SENS. PT1000 L=1060MM
SP-SET TEMPERATURE SENS. PT1000 L=1310MM
SP-SET TEMPERATURE SENS. PT1000 L=1800MM
SP-SET TEMPERATURE SENS. PT1000 L=200MM
LENS CLOTH HSS 3535CM A.DSP
SEAL DA 250 /DI 120 TK200/TK215,9
SEAL D126 /116 7 GRAPHITE A.DSP
PROTECT.CAP D 40 25 LD-PE NC
FILTER INSERT MICRO-TOP 3000L/MIN
RV-BLOWER 240/415V 50HZ 3PH 1.30KW
UDR-WAECHTER 35MBAR SCHLIES.
SWITCH,LOW PRESSU. 35MBAR NC
SP-SET SLIDE LOCK A. HOOK
CONNECTOR PURGE AIR HOSE DN40
HOSE DI=50, 90° ELBOW W.MAINTENANCE
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