Trace Oxygen Analyzers

Trace Oxygen Analyzers & Transmitters

Alpha Omega Instruments trace oxygen analyzers and transmitters incorporate an advanced electrochemical sensor that provides exceptional life, accuracy, and stability.

Alpha Omega Instruments electrochemical sensors provide as much as three times the life of conventional “fuel cell” type sensors.  And, if you are looking to measure from parts per billion to 100%, Alpha Omega Instruments offers a high performance zirconium oxide oxygen sensor.

Products are available in a host of enclosure types ranging from general purpose or explosion proof.

All of our analyzers are competitively priced. 


Our Solutions

Series 3520 Portable Trace Oxygen Analyzer

The Series 3520 Portable Trace Oxygen Analyzer is battery-operated and designed for industrial and commercial applications where accurate and reliable spot trace oxygen measurements are needed.

  • Long life ambient temperature electrochemical sensor.
  • Enclosure is made from durable polycarbonate and is rated NEMA 1 for general purpose service.
  • Powered by a rechargeable NICAD batteries that are mounted internal to the analyzer.
  • Recharging batteries is accomplished using a built-in battery charger with a universal AC adapter.
  • Single measurement ranges are available from 0-10 PPM to 0-20,000 PPM with values displayed on a front panel liquid crystal display (LCD).
  • Options include pressure regulators, flow meters, in-line filters, pumps, and block & bleed bypass sampling systems.

Download_AOI-3520-Datasheet_US_EN

Series 3000 Trace Oxygen Analyzer

The Series 3000 Trace Oxygen Analyzer is a rugged, microprocessor-controlled oxygen analyzer designed for continuous or intermittent measurement of trace oxygen concentrations.

  • Range from 0-1 PPM to 0-10,000 PPM.
  • Available in single- or three-range configuration.
  • Auto-ranging for the latter is available at no additional charge.

Download_AOI-3000-Datasheet_US_EN

Zirconia Oxygen Analyzer ZRO 2000

Our FAST Response Zirconia Oxygen Analyzer is designed to provide accurate and repeatable trace and percent oxygen measurements in a variety of gases.

  • Oxygen readings from parts per billion to 100% can be achieved with one instrument.
  • Rugged and compact design makes it ideally suited for industrial applications where continuous oxygen measurements are required.

Download_ZR0-2000-Datasheet_US_EN

Series 3500/3510 Oxygen Transmitters Explosion Proof

The Series 3500/3510 Oxygen Transmitters Explosion Proof are blind transmitters designed to provide exceptional performance, accuracy, and stability.

  • Image shown here is with the explosion-proof enclosure.
  • Provides up to three times the functional life of most “fuel cell” type sensors.
  • Reliability is dramatically increased.
  • Low maintenance costs.

Download AOI-3500-Datasheet_US_EN

Series 3500/3510 Oxygen Transmitters

The Series 3500/3510 Oxygen Transmitters are blind transmitters designed to provide exceptional performance, accuracy, and stability.

  • Provides up to three times the functional life of most “fuel cell” type sensors. A
  • A true loop powered (14-32 VDC) trace oxygen transmitter designed to provide accurate and dependable trace oxygen measurements in a variety of background gases.
  • Reliability is dramatically increased.

Download AOI-3500-Datasheet_US_EN

Find the right analyzer for your application

Questions? We’re here to help.

Alpha Omega Instruments
4140 World Houston Pkwy, Suite 180
Houston, TX 77032 USA