Wobbe Index / Btu
WIM 9610


Precisive 5   -   All Optical Hydrocarbon Analyser


Using a unique wavelength-sweeping tunable filter spectrometer, fast update rates down to sub-second intervals are performed for the full C1 through C5 analysis and C6+ to calculate Heating Value / Wobbe Index.

The analyzer does not require carrier gas, fuel gases, or on-site calibration gases.

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WIM 9610 - Wobbe Index, BTU Calorimeter 


The New COSA 9610™ is the latest instrument from COSA Xentaur for measuring Wobbe Index, BTU/Heating Value and CARI (Combustion Air Requirement Index).

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PRO Portable Calorific Value Measurement


one of the first commercially available portable Optical Gas Calorimeters. After extensive development work, this instrument proudest the fastest spot check response in the industry; T90=15 seconds for Natural Gas and LPG

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Wobbe Index / Btu / Caloric Value Analysis

Combustible Gas Analyser


What Is The Wobbe Index?

The Wobbe Index is actually the correct representation of the heating value of natural gas arriving, from the gas line, at the orifice where a burner is located.

It is not simply the BTU per cubic foot but rather the BTU per cubic foot divided by the square root of the specific gravity.



IMAC will help you to determine the best possible solution for your measurement.

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     klick "IMAC Applicationform"  form and send back to info@iMAC-engineering.be






BTU Gas Chromatograph


The HGC 303 is the world’s smallest gas chromatograph for C6+ analysis of Natural Gas. It digitally publishes 20 derived parameters, such as Calorific Value, Wobbe Index, Specific Gravity, Compressibility, Ratio of Heats, etc.

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Gasses meassured:


IMAC introduce the most relaiable laser analyzer using QCL at PEFTEC in Antwerpen


FormaldehydeAllyl IsothiocyanatePropylene_glycol1,1-DimethylhydrazineThioglycolDiethyletherEthanolFormic acidAcetic acidDiethyl sulfateMethanolIsopropanolAcetoneChloroform_(trichloromethane)Dimethyl sulfoxideN,N-Dimethylformamide1-Propanoln-Butanol1-PentanolBenzene1,1,1-TrichloroethaneMethaneMethyl bromideEthaneEtheneAcetyleneMethyl chlorideMethyl iodideMethylamineHydrogen cyanideMethyl mercaptanDibromomethaneBromoethaneBromochloromethanePropanePropyneChloroethaneVinyl chlorideVinyl_fluorideEthyliodide 

EthylamineAcetonitrileAcetaldehydeEthyl_mercaptanDichloromethaneDifluoromethane_(R-32)DiiodomethaneCarbon disulfideDimethyl sulfideCyclopropaneEthylene oxideTribromomethaneIsobutane2-Chloropropane2-IodopropaneIsopropylamine2-Propanethiol1_1-Dichloroethane1,1-DichloroetheneAcetyl chloride1_1-Difluoroethane_(Freon-152A)DichlorofluoromethanePhosgeneChlorodifluoromethane_(F22)TrifluoromethaneTrimethylamineNitromethanePropyleneimine1_2-EpoxypropaneBromotrifluoromethanet-Butyl_alcoholtert-Butyl_mercaptan1,1,1-ChorodifluoroethaneChlorotrifluoromethaneCarbon tetrafluorideTetramethylsilaneMethyltrichlorosilane2,2-Dimethyl butaneNeopentyl_alcoholAcetone cyanohydrin 

2-Chloro-1_1_1-trifluoroethane_(R133A)2_2_2-TrifluoroethanolTrichloroacetyl chlorideChloropicrin1,1,2-Trichlorotrifluoroethane1,2-DichlorotetrafluoroethaneChloropentafluoroethane_(R115)HexafluoroethaneOctafluoropropaneHexachlorocyclopentadieneDimethyl_sulfateIsophoroneIsopentaneIsopreneIsobutanol2-Methyl-1-propanal_(Isobutyraldehyde)2-Methyl-2-propanal_(Isobutenal)1,2-Dichloropropane2_3-Dichloro-1-propenesec-Butyl_alcoholMethyl ethyl ketoneMethyl vinyl ketoneChloroacetoneMethylglyoxal1,1,2-TrichloroethaneTrichloroethylenePropionic_acid_(and_some_dimer)Acrylic_acidMethyl acetateMethyl chloroformateNitroethane2_3-Dimethylbutane1,1,2,2-TetrachloroethaneChlorotrifluoroethyleneDimethylcarbamoyl_chloride2-Nitropropanealpha-PineneMethyl methacrylate2_6-DimethylanilineHexachloro-1_3-butadiene 

Guaiacol2_6-dimethoxyphenolNaphthaleneQuinolineN,N-DiethylanilineMethyl_benzoateEthyl_benzoateo-Xylene2-Chlorotoluene1,2-Dichlorobenzeneo-ToluidineStyrene_oxide3-MethylpentaneDiethyl ketoneMethyl acrylateFurfuryl_alcoholFurfuraltert-ButylbenzeneCumeneNitrobenzeneBenzyl chlorideBenzyl bromide4-Vinyl-1-cyclohexeneEthyl benzeneStyrene_(monomer)BenzonitrileBenzyl_alcoholBenzaldehyde2-VinylpyridineVinyl_tolueneIsocumene2-Ethyl-1-hexanol3-MethoxyphenolMethyl_acetoacetateEthyl_butyrateGeraniol2-Bromopropanep-Xylene4-Chlorotoluene1,4-Dichlorobenzene 

1,2-Dibromoethane1,2-Epoxybutane1_2-Epoxy-3-chloropropane1-BromopropaneAllyl bromideButane1-Butene1,3-Butadiene1-Butyne2-ButeneAcrolein1-PropanethiolAllyl chloride2-ChloroethanolAllylamineEthyl cyanideAcrylonitrileChloroacetonitrileEthylenediamineAllyl alcoholPropargyl_alcoholEthylene glycolGlyoxalChloromethyl methyl etherMethyl formate2_4_4-Trimethyl-1-pentene2-MethylpentaneMethyl_propyl_ketoneButyric acid1,2-Dichloroethane1-NitropropaneVinyl_acetateMethylisobutyl ketoneDiisopropylamineDiisopropyl_etherIsopropyl acetateAcetic anhydridePropylene_carbonatem-Xylenem-Cresol 

3-ChlorotolueneAniline1,3,5-TrimethylbenzeneBenzenethiolBromobenzeneToluene4-PicolineChlorobenzeneCyclohexanolCyclohexanonePhenolPhenol3-Picoline2-PicolinePropyl_acetatePentane1-Pentene1-ChlorobutaneButylamine2-MethoxyethanolDimethoxymethaneDiethylamineEthylvinyl etherEthylformateEthyl nitriteTetrahydrofuranFuranTetrahydrothiopheneThiopheneMethyl_isoamyl_ketoneIsobutyl_acetaten-HexaneValeraldehyde1_2-DimethoxyethaneCyclohexaneCyclohexenePyridinePiperidineMorpholine2-Ethoxyethyl acetate 

1-Hexanoln-Butyl_isocyanateDipropyl_etherbis(2-Chloroethyl)_etherOctane1-Octene1-Heptanol2-Butoxyethanoln-NonanePropeneDimethyl etherIsobuteneOctafluorocyclobutaneAcetolMethyl_salicylate1_2_3_4-TetrahydronaphthaleneTriethylamineMyrcenePropionaldehydeDiacetone_alcoholIsoamyl alcoholParaldehydeButyraldehydeCrotonaldehydeButyl acetate1_4-DioxaneIsopentyl_acetateOctanoic_acid1-Nonenen-DecaneCarbon dioxideDimethylamineMethanesulfonyl chloride1,2-DibromotetrafluoroethaneMethylacrylonitrileTetrachloroethylenebeta-Pinenesec-ButylbenzeneEthyl_acrylateGlycolaldehyde 

Ethyl acetate1,3-DichloropropaneCyclopentene1-Hexanoic acidn-HeptaneHexyl_acetatecis-1_2-Dichloroethylenetrans-1,2-DichloroetheneCyclopentaneCycloheptaneCyclooctaneCyclodecaneHydrazine2,2-Dichlor-1,1,1-trifluorethaneTrifluoronitrosomethaneDiethyl_sulfideCarbonyl fluoride1_1_2_2-Tetrachloro-1-fluoroethane_(F121)1,2-Dichlorotrifluoroethane1-Chloro-1_1_2_2-tetrafluoroethane_(R124A)Trifluoroacetyl chloridePentafluoroethanePerfluorobutane1,1,2,2-Tetrafluoroethane2-Fluoroethanol1-FluorohexaneTrifluoromethylsulfur_pentafluorideHexafluoroisobutylenePerfluoroisobutylene_(PFIB)Ethyl_trifluoroacetateHexafluorobenzeneTrifluoroaceticanhydrideEthylene sulfide1_1_1-Trifluoroethane_(R143A)1,1,1-TrifluoroacetoneFluoroacetone1_2-Dichloro-1-fluoroethane_(R141)2_3-butanedione1_2-Difluoro-1_2-dichloroethane_(R132) 

1_1_1_2_3_3_3-Heptafluoropropane_(HFC227EA)FluorobenzeneCadaverineAlleneCarbonyl sulfideCineole1_1-Difluoro-2_2-dichloroethane_(R132A)1_2_3_4-TetramethylbenzeneCyanogen chloride2-Methyl-2-butene1-Chloro-2-methylpropane2-Methyl-1-propanethiol1_2_3_5-Tetramethylbenzene2-Methylfuran1_2-Dichloroethene_(Dioform)Ethyl methyl etherIsooctanetert-Butyl_acetateEthyl_chloroformate1,3-Dichlorobenzene1-Chloropentanen-HexadecaneMethyl_isobutyrateMethyl_propionate2-CareneAllyl iodideMethylisothiocyanate2-Iodo-2-methylpropane3-Methyl-1-butene2-Methyl-1-buteneMethyl_isopropyl_ketone3-Methyl-2-pentanone3-Pentanol2_4-Diisocyanatetoluene3-MethylhexaneIsovaleraldehyde2-Hexanone1-Hexene1-Heptene 

Methyl fluorideVinyl_bromidetert-AmylamineMethyl_pivalate2-EthyltolueneDimethyl_carbonateN_N-diethyl_formamide3-Ethyltoluene4-Ethyltoluene5-NonanolPropargyl_chlorideMethylisocyanateMethyl nitriteDimethyl_disulfide2-Methyl-2-Pentenesec-Amylamine4-Methyl-1-pentanol2-Hexanolcis-2-PenteneMethyl butyl ether2-Chloroethylethern-Amyl_acetaten-Tridecanen-Pentadecane1,1,1,2-TetrachloroethaneEthyl_tert-butyl_ethertrans-2-PenteneDiketeneDichloromethylphosphinePerfluoropentaneHexamethylphosphoramideHexafluoroacetone4-Methyl-1-pentenecis-4-Methyl-2-pentene3_4-Dichloro-1-butene2-Methyl-1-pentene1,1,1,2-TetrafluoroethaneAcryloyl chlorideAllyl_fluoride2-Nonanone 

Methacryloyl chloride3-Methylfurantert-Amyl_methyl_etherAmyl_nitratePropylene_sulfiden-UndecaneChlorosulfonyl isocyanatetert-Butyl_methyl_ether1_1-Dichloro-1-fluoroethane_(R141B)CyanogenNitrosyl chlorideSulfuryl fluoride2-Chloro-1,1,1,2-tetrafluoroethaneChloromethyl ethyl ether2-PentylfuranDichlorosilaned-Limonene2-PentanolSulfur dioxideBoron trifluorideHydrogen chlorideHydrogen fluorideAmmoniaNitric acidHydrogen_peroxideWaterGermaneHydrogen sulfideNitrogen trifluorideArsineSulfuryl chloridePhosphineSilaneNitrous oxidePhosphorous oxychlorideOzoneHydrogen iodideHydrogen bromidecis-1,3-Dichloropropenetrans-1,3-Dichloropropene 

Nitrogen dioxideDinitrogen tetroxideHexafluoropropeneIronpentacarbonyl3-CareneDiboraneNicotineTexanolDipropylene_glycol_methyl_ether2_2_4-Trimethyl-2-pentene2H__3H-Perfluoropentane 

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