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Applications
  • Acetic Acid
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Reactor system - liquid effluent
      ​Percent H2O (L)
      ​0-20%
      ​Acetic acid - HOAC
      NA 5020 (NIR)
    • ​Drying column - side
      ​Percent H2O (L)
      ​0-20%
      ​Acetic acid - HOAC
      NA 5020 (NIR)
    • ​Drying column - bottoms
      ​PPM H2O
      ​0-1,500 ppm
      ​Acetic acid - HOAC
      NA 5020 (NIR)
    • ​​Flare Gas Header
      ​PPM methyl iodide
      ​0-1,000 PPM
      ​CO/CO2/N2/H2
      NA 6020 (UV)
    • ​Combined off gas
      ​PPM methyl iodide
      ​Percent H2
      ​0-1,000 PPM 
      ​0-30%
      ​CO/CO2/N2/H2
      NA 6020 (UV)
    • ​Promoter off gas
      ​Percent H2
      ​0-30%
      ​CO/CO2/N2/H2
      2020 (TCD)
    • ​Steam Condensate / Leaving plant
      ​PPM Hydrocarbons
      ​PPM O2
      ​0-10 ppm
      ​0-150 ppm
      ​Condensate (H2O)
      ​CO (90%)
      6650SP / 4020 / 3000TB (FID) + 1100A
  • Acetone / Phenol / Cumene
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      Oxidizer vent gas (No. 1 & 2)
      ​Percent O2
      ​0-10%, 0-25% O2
      ​N2, Cumene, H2O
      3020P / 3020M (Paramagnetic spec) (total of 4 sets required)
    • ​Recycle compressor drum gas
      ​Percent H2
      ​50-100% H2
      ​N2, CH4
    • Acetone product to storage
      ​Percent H2O (L)
      ​0-0.5%, 0-5% H2O (L)
      ​Acetone
      NA 5020 (NIR)
    • ​Heavy ends fired boiler
      ​Percent O2
      ​0-5% O2
      ​Flue Gas
      9060Z ZrO2
  • Acrylonitrite
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Product storage inhibitor
      ​PPM / Percent H2O (L)
      ​Methylhydroquinone​
      ​0-2,000 ppm, 0-1%
      ​0-100 PPM MEHQ (L)
      ​Acrlonitrile (pure)
      ​Acrylonitrile (pure)
      NA 6020 (UV) 5020 (NIR)
    • Product storage / N2 blanket
      ​Percent O2
      ​0-10% O2
      ​AcryloVapors + N2
      3000TB / 3020T (Div 2)
  • Ammonia / Urea Fertilizer Plants
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Primary and secondary reformer outlet
      ​Percent CH4 - 3 sets
      ​0-0.5% up to 0-20%
      ​H2/CO2/CO/N2
      7500ZA (NDIR)
    • ​HTS/LTS shift converter outlet
      ​Percent CO - 2 sets
      ​0-0.5% up to 0-5%
      ​H2/CO2/CO/N2
      7500ZA (NDIR)
    • ​Absorber outlet
      ​Percent CO2 - 2 sets
      ​0-0.3% and 0-1.5%
      ​H2/CO2/CO/N2
      7500ZA (NDIR)
    • ​Methanator and NH3 converter out​let
      ​Percent H2 - 2 sets
      ​Percent O2 - 2 sets
      ​50-100%
      ​0-0.5% O2
      ​N2 / CH4
      ​N2/H2/CO2
      2020 / 3020M (TCD) (Paramagnetic)
    • ​CO2 Feed to urea plant
      ​Percent O2
      ​0-1%
      ​CO2/H2/N2/Ar
    • ​Stack Gas
      ​Percent O2 - 2 sets
      ​0-5% and 0-10% O2
      ​N2/CO2/O2/H2Ov
      9060Z ZrO2
    • ​Treated Wastewater
      ​Oil / Hydrocarbons
      ​0-150 ppm
      ​Water
  • Aromatics
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Charge heater, Naphtha splitter reboiler heater, product fractionator charge heater, etc.
      ​Percent O2
      ​0-5%
      ​Flue gas
      9060Z

      (ZrO2) , 7-14 sets (extractive in-situ)
  • BTX or Paraxylene
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Product separator
      ​Percent H2
      ​50-100%
      ​CH4 + HC's
    • ​Recycle gas
      ​Percent H2
      ​50-100%
      ​CH4 + HC's
    • ​Life gas line / N2 header and surge hopper
      ​Percent HC - Percent H2
      ​15% HC to 1% H2
      ​N2, H2, HC
    • ​LP stream condensate
      ​PPM Oil
      ​0-10 ppm
      ​Condensate
  • Butadiene
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Oxygen in vent vapor
      ​O2
      ​0-1,000 ppm
      ​N2 / Trace styrene
    • ​O2 in Butadiene product
      ​O2
      ​0-30 ppm
      ​Butadiene
    • ​Process vent - 2 sets
      ​O2
      ​0-1,000 ppm
      ​N2 / Hexane
    • ​Above bed #4 of main washer
      ​1, 3 Butadiene
      ​0-70%
      ​Multihydrocarbons
      NA
      7320 (NDIR)
    • ​Above bed #4 of rectifier
      ​Cis-2-Butene
      ​0-10%
      ​Multihydrocarbons
      NA
      7320 (NDIR)
    • ​Butadiene extraction solvent recovery process
      ​H2O (L)
      ​0-10%
      ​NMP solvent
      N-methylpyrolidone
      NA 5020 NIR
    • ​Butadiene Extraction
      ​H2O (L)
      ​0-300 / 0-3,000 ppm H2O
      ​DMF Dimethyl formamide
      NA 5020 (NIR)
  • Butyl Rubber Plant
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Water in MethylChloride
      ​PPM H2O
      ​0-1,000 and 0-5,000 ppm
      ​MethylChloride
      NA 5020 (NIR)
  • Caprolactum
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​O2 in Cyclohexane vapor
      ​Percent O2
      ​0-10%
      ​Cyclohexane / N2
      3000MA

       (5 pts, 2 systems)
    • ​CO in Cyclohexane vapor
      ​Percent CO
      ​0-8%
      ​
      7500ZA

      (Z-purged)
    • ​​Nitrogen oxide feed line
      ​Percent NO
      ​Percent N2O
      ​70-100%
      ​0-2%
      ​NO, N2, N2O
      NA

      7320 (NDIR)

    • ​H2 Purity
      ​Percent H2
      ​PPM CO
      ​70-100%
      ​0-50 ppm
      ​N2 (ppm CH4, CO)
      ​H2
      2020 / 7500ZA

      (Z-purged)
    • ​​Feed gas / Off gas
      ​Percent H2
      ​Percent NO
      ​Percent N2O
      ​40-100%
      ​0-40%
      ​0-20%
      ​​N2, N2O, NO
      ​N2, N2O H2
      ​N2, NO, H2
      2020 / 7500ZA

      (Z-purged)
    • ​O2 in off gas
      ​Percent O2
      ​0-6%
      ​N2, CO + ppm HC
    • ​O2 in and from off gas reactor
      ​Percent O2
      ​0-6%
      ​​N2, CO2, CO
  • Chlorine Manufacturing / Mercury Cell Type
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      Electrolysis of NaCl + H2O​
      ​PPM O2
      ​PPB Hg
      ​0-10 / 0-100 ppm
      ​0-100 ppb
      ​H2 (99%)
      3020P / 6000

      6000 (UV)

  • Copolymers
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​PTA dust explosion monitor
      ​Percent O2
      ​0-10% O2
      ​N2
    • ​O2 in vacuum pump seal tank off gas
      ​Percent O2
      ​0-5%, 0-10%
      ​N2
  • EDC / VCM
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      Absorber vent gas
      ​Percent O2
      ​0-5% O2
      ​CO2/H2O/CL2/HCL
      NA Htd Paramagnetic required
    • ​Stripper vent gas
      ​Percent O2
      ​0-5% O2
      ​CO2/H2O/CL2/HCL
      NA Htd Paramagnetic required
    • ​VCM vent gas
      ​PPM O2
      ​0-10 / 0-100 PPM O2
      ​VCM (G)
    • ​H2O in EDC
      ​PPM H2O (L)
      ​0-50 / 0-200 PPM H2O
      ​EDC (pure)
      NA 5020 (NIR) Typically 4 to 5 sets
    • ​CL2 in EDC
      ​PPM CL2 (L)
      ​0-1,000 PPM CL2
      ​EDC (pure)
      6020
      (UV)
    • ​​H2O in TCE/PCE
      ​Percent CO
      ​0-20%
      ​N2/CO2/C2H4
      7500ZA

      7320

    • Oxyhydrochlorination route vent gas
      ​Percent CO2
      ​Percent C2H4
      ​0-20%
      ​0-40%
      ​N2/CO2/C2H4
      7500ZA

      7320

  • Ethyl Benzene / Skyrene Monomer​
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Styrene Vent Gas
      ​PPM Oxygen 
      ​0-2,000 ppm O2
      ​H2/N2/CO2/mix
    • ​Transalkylation regen gas
      ​Percent Oxygen
      ​Percent CO / Percent CO2
      ​0-15% O2
      ​0-20% CO
      0-20% CO2
      ​O2/N2/CO/CO2
      3000PB / 3020P / 7500ZA (Z-purged)
    • ​Stacked Gas (2-4 sets)
      ​Percent O2
      ​0-5% O2
      ​Flue Gas
      9060Z ZrO2
    • ​Stripped Condensate
      ​Hydrocarbons
      ​0-10 ppm HC
      ​Condensate (H2O)
    • ​Cooled Condensate
      ​Hydrocarbons
      ​0-100 ppm HC
      ​Condensate (H2O)
    • ​EB recycle stream
      ​PPM H2O (L)
      ​0-300 ppm H2O
      ​Benzene
      NA 5020 (NIR)
  • Ethylene Oxide / Ethylene Glycol
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Ethylene feed / Reactor inlet and reactor outlet
      ​Percent C2H4
      ​Percent O2
      ​0-20%, 0-40% C2H4
      ​0-10%, 0-25% O2
      ​CO2/AR/CH4
      7500ZA / 3020M
      7320
      3020M (Paramagnetic)
    • ​Ethylene glycol product
      ​Percent H2O (L)
      ​0-5% H2O
      ​Ethylene glycol
      NA 5020
  • Ethylene Plant
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Charge/Preheater Flue Gas
      ​Percent O2
      ​PPM CO
      ​0-5 / 0-10%
      ​0-100 ppm
      ​N2/CO/CO2/H2Ov
      9060Z / 7500ZA
      9060Z ZrO2 (5-10 sets), 7500Z (NDIR) (5-10 sets)
    • ​H2S in Hydrocarbons
      ​PPM H2S​
      ​0-200 pm
      ​ Ethane
      6000

      (UV)

    • ​Percent O2 in mixed and exhaust air
      ​Percent O2
      ​0-5%
      ​N2
    • ​Ethylene Product
      ​PPM O2
      ​0-1 ppm
      ​Ethylene
    • ​H2 Purification Unit (PSA unit)
      ​PPM CO/CH4/CO2
      ​PPM O2
      ​0-10 ppm
      ​H2
      7500ZA / 3000MA

      (NDIR)
    • ​Ethane Recycle
      ​Percent Ethylene C2H4
      ​0-5%
      ​C2H6 - Ethane
      7500ZA

      (NDIR)
    • ​Propane Recycle
      ​Percent Propylene C3H6
      ​0-10%
      ​C3H8 - Propane
      7500ZA

      (NDIR)

    • ​Oil in boiler steam condensate
      ​PPM Oil
      ​0-5 / 0-10 ppm
      ​​Condensate
  • Hexamethylene Diamine
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      Tank car headspace / N2 blanketing
      ​PPM - Percent
      ​0-1,000 ppm, 0-1%
      ​N2 / HMD vapors
      3000TB / 3020T / 3020P
      3000TB (Div 2) or
      3020T (for trace), 
      3020P (for percent)
  • Maleic Anhydride (MAN)
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Reactor feed duct to mixer
      ​Butane
      ​H2Ov
      ​0-3%
      ​N2, H2Ov
      ​N2, Butane
      7500ZA
      (NDIR) Z-purged, 7320 (NDIR)
    • ​​​Reactor off-gas / switch cooler
      ​Butane
      ​CO / CO2
      ​Maleic Anhydride
      ​0-1%
      ​0-2% / 0-2%
      ​0-2%
      ​HC/CO/CO2/N2
      7500ZA / 6000
      7500 (NDIR) Z-purged, 6000 (UV)
    • ​Incinerator Stack
      ​O2 / CH4
      ​0-25% O2 / 0-15 ppm
      ​N2/CO2/CO/H2Ov
      7500ZA
      (NDIR) Z-purged

  • MethylMethacrylate
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​ACH vent blower - safety​
      ​Percent O2
      ​0-5% O2 (Alarm @ 2%)
      ​N2+HCN+Acetone
      3000TB / 3020T (Div 2)
  • Nylon 6, 6
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Transfer conveying system and storage - N2 blanketing
      ​PPM O2
      ​0-10 / 0-100 ppm
      ​N2
      3000TB

      8 sets or sequenced solution

  • PET Polyethylene Terephthalate Resin
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​N2 blanketing / Amorphous
      ​PPM O2
      ​0-10 ppm
      ​N2  blanketing gas
    • ​Upgrade of PET chips
      ​PPM hydrocarbons
      ​0-10 ppm
      ​N2 blanketing gas
  • Polycarbonate
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Product conveying system
      ​Percent O2
      ​0-5% / 0-10% O2
      ​N2 blanket gas
      InstaTrans-XD
      (percent; 15-30 points)
    • ​Phosgene in N2 atmosphere
      ​PPM COCL2
      ​0-100 / 0-1,000 ppm 
      ​N2 / CO
      7500ZA NDIR, 3 sets
    • ​NaOH in water
      ​Percent NaOH
      ​0-12%
      ​H2O
      NA Series 5000 NIR, 2 sets
    • ​Bisphenol-A in water
      ​Bisphenol-A
      ​0-25, 0-100 ppm
      ​H2O / NaCl
      6000 UV, 2 sets
  • Polyester Filament Yarn
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Slurry mix tank (PTA + glycol)
      ​Percent H2O in MEG (L)
      ​Percent H2O (L)
      ​0-5%
      ​0-2%
      ​Monoethyleneglycl
      MEG + PTA
      NA
      5020 (NIR)
    • ​Distillation column - bottoms
      ​Percent H2O (L)
      ​0-5%
      ​MEG
      NA
      5020 (NIR)
  • Polyethylene (LLDPE)
    • Service
      Parameter(s)
      Range(s)
      Background
      Model
      ​Ethylene feed, H2 feed, N2 feed, Butene/Hexane feed
      (Analyzed before and after the De-Oxo purification units for each feed stream prior to being fed to reactor)
      ​PPM O2
      ​0-0.2 to 0-10 ppm
      ​C2H4, H2, N2
      3000MA

      (4 to 6 sets)

    • ​Mastermix / Feed hopper vent
      ​Percent O2
      ​0-10%
      ​N2
      3000MA

       (2 sets)
    • ​Vent of N2 / solvent separator
      ​​PPM O2
      ​0-10 ppm
      ​​N2/HC
      3000MA Prepolmerization Process Pts
    • ​Prepolymer to storage conveyor
      ​​PPM O2
      ​0-10 / 0-1,000 ppm
      ​​N2/HC
    • ​Prepolymer to reactor conveyor
      ​​PPM O2
      ​0-10 / 0-1,000 ppm
      ​​N2/HC
    • ​Primary degasser
      ​​​​PPM O2
      ​​​0-10 / 0-1,000 ppm
      ​​​​N2/HC
      3000MA Polymerization Process Pts
    • ​Filter vent in recovery loop
      ​​​​PPM O2
      ​​​0-10 / 0-1,000 ppm
      ​​N2/HC
    • ​Fluidized bed gas compressors
      ​​​​PPM O2
      ​​​0-10 / 0-1,000 ppm
      ​​N2/HC
    • ​Discharge of conveyor blower
      ​​​​PPM O2
      ​​​0-10 / 0-1,000 ppm
      ​​N2/HC
    • ​MPN / HPN vent header
      ​​​​PPM O2
      ​0-0.2 ppm
      ​​N2/HC