Learn about our AROMA analyzers


Built on the innovative AROMA-VOC platform, AROMA-ETO is a high-performance chemical analyzer that provides near-real time measurements of ethylene oxide at part-per-trillion concentrations. In addition to an ethylene oxide monitor, AROMA-ETO provide analysis for other key volatile organic compounds (VOCs) including 1,3-butadiene, acrolein, methanol, and isopropanol. 

AROMA-ETO dual operation modes allow for the analysis of ethylene oxide in 5 seconds down to 1 ppbv (RapidScan) and in 15 minutes for below 10 pptv concentrations (LabScan). In RapidScan mode, positive identification of small molecules such as methane, carbon dioxide, and ethylene oxide as well as large molecule classification (alkanes, aromatics, dienes) is possible. 

AROMA-ETO enables in-field, mobile, and long-term unattended monitoring initiatives by both technical and non-technical personnel. The analyzer facilitates the acquisition of high-quality, actionable data while greatly reducing or eliminating personnel requirements, maintenance, consumables costs, unplanned instrument downtime, and infrastructure build outs. The instrument can be mounted into any vehicle to create a mobile air quality monitoring unit in as little as 30 minutes, with no buildout required.

  • 1,3-butadiene
  • 1,1,2-Trichloroethane
  • Acrolein
  • Ethylene Oxide
  • Methane
  • Aromatic Equivalent
  • Diene Equivalent
  • Chlorinated Equivalent
  • Alkane Equivalent
  • Water
  • Carbon Dioxide
  • Isopropanol
  • Acetone
  • Methanol
  • Ethanol
  • Propane
  • Butane
  • Vinyl Chloride
  • 1,1-dichloroethane
  • Chloroform
  • Methylene Chloride
  • 1,2-Dichloropropane
  • Bromochloromethane
  • Bromodichloromethane
  • Dibromochloromethane
  • 1,2-Dichloroethane
  • Methyl tert-butyl ether (MTBE)
  • 1,2,3-Trichloropropane
  • Acrylonitrile (2-propenenitrile)
  • Tert-butanol

*the compounds detected and analytics time listed above may vary based on the application

Analysis Time < 20 Minutes
Sampling Duration 1-45 Minutes
Calibration As required by testing protocol
Data Reporting Attached PC, WAN gateway compatible
Data Format options json, csv, kml
Global Positioning System Built-In
Sample Volume Range 5-5000 scc
Sampling Flow Range 2-500 sccm

*the compounds detected and analytics time listed above may vary based on the application

Response Time 2-10 seconds
Molecule Class labels Aromatic, Diene, Chlorinated
Speciated Molecules Methane, Water, Ethylene Oxide
Typical Sensitivity down to 1 ppbv
Methane LOD 2 ppbv
Methane Precision Greater of 2 ppbv or 10% of reading
Baseline Drift < 3e-10 cm-1 /hour
Data Reporting Attached PC, WAN gateway compatible
Gas Connections Swagelok® 1/8”
Analyzer Approximate Dimensions 18” w x 20” h x 23” d
Installation Benchtop or 19” Rack
Analyzer Weight < 50 kg (110 lbs)
Power Consumption 175W ave, 120 W Standby, Peak 450W (< 10 seconds)
Power Source 105-120 VAC, 60 Hz
Warm-up Time < 45 minutes
Temperature Range 5˚C – 30˚C
Humidity Range 5%-85% RH, noncondensing
Power and Gas Connections Front Panel
Ultrapure N2 consumption < 5 standard L/h
Sorbent Collector Lifetime > 5000 measurements
Analyte Focuser Lifetime > 5000 measurements
Front-end Filter (for dust/smoke) Condition dependent

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