Process Monitoring

Keeping your facility, personnel and the environment safe

Process Monitoring 

Have a critical process that demands accurate measurement of oxygen?  Alpha Omega Instruments has the solution for your process monitoring to keep your facility, personnel and the environment safe.


See Products By Application

Aerospace/Govt.

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Critical welding requires inert gas with no oxygen

Many welding applications require the use of inert gases that are free of oxygen. Excess oxygen promotes poor welds due to oxidation

Argon, Helium, N₂

Trace or Percent

Bio-reactors

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Measure CO2 and O2 in fermentors

Bio reactors frequently must be kept under tight control with respect to both oxygen and carbon dioxide

Modified Atmosphere

Percent O2 and Percent CO2

Bio-research

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Monitoring of Glove Box Atmospheres

Many experiments performed under controlled or inert atmospheres must be done under low oxygen conditions.

Argon, Nitrogen

Percent or Trace

Bulk Industrial Gases

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Hydrogen Production by Catalytic Partial Oxidation of Hydrocarbons

Hydrocarbons are reacted with steam over a catalyst to produce gas containing H2, which can be used as a synthesis gas or the H2 can be separated & purified.

H₂

Trace

·        Series 3000

·        Portable Oxygen Analyzer (Series 3520)

Transportation of Bulk Industrial Gases

Bulk gases are transferred to tanker trucks or transported via pipeline for delivery to end users.

Argon, Hydrocarbons, H₂, Mixtures, Nitrogen, N₂, Silo Gas (CO₂, NO₂, NO)

Trace

·       Series 3000

·       Portable Oxygen Analyzer (Series 3520)

Chamber/Glove Box Manufacturers

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Preserve oxygen sensitive materials

Monitor the percent oxygen in chambers and/or glove boxes that contain oxygen sensitive components.

Argon, Helium, H₂, N₂

Percent

Chemical

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Manufacturing of latex and related chemicals

To determine O2 in the chemicals by spraying them into a nitrogen-free atmosphere and measuring the O2 content.

N₂

Trace or Percent

·        Series 3000

Inert gas blanketing of processes/reactor vessels and purging of chemicals

Many processes involve chemicals that will react with O2 contamination to have harmful effects on the end product. Inerting with N2 is usually required.

N₂

Trace or Percent

·        Percent Oxygen Analyzer-Series 2000

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

·        Zirconia Oxygen Analyzer (ZRO 2000)

Chemical Storage

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Inert gas blanketing of stored raw materials and finished chemical products

Tanks, trucks and other storage vessels are filled with an inert gas to protect the stored chemicals from O2.

N₂

Trace or Percent

·        Percent Oxygen Analyzer-Series 2000

·        Percent Oxygen Measurement

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

·        Zirconia Oxygen Analyzer (ZRO 2000)

Combustion Control

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Stack Gas Analysis

Measure efficiency of combustion process

Flue Gas

Percent

·        Portable Percent Oxygen Analyzer

Electrical Transformers

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Switch boxes and electrical enclosures that require back filling with SF6

Excessive levels or oxygen can cause arcing and be a fore bearer of corrosion within transformers

SF6

Trace

·        Series 3000

Fertilizers

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Ammonia (NH3) production

H2 & N2 are combined 3:1 ratio to produce NH3. There are many sources of H2, including steam reforming of natural gas, partial oxidation, etc.

H₂, N₂

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Fiber Optic Research

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Determine optimum transmission parameters

Transmission of signals at different wavelengths are affected by the presence or absence of humidity and oxygen.

N₂

Trace

·        Series 3000

·        Portable Oxygen Analyzer (Series 3520)

Landfill

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Measurement of oxygen in landfill gases

Measurement of oxygen is used to help assess the quality of the landfill gases that are used to power incinerators and boilers

Carbon Dioxide, Carbon Monoxide, Methane, N₂

Percent

·        Percent Oxygen Analyzer-Series 2000

Light Bulb Manufacturers

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Glove Box

Ensure gas used to back fill bulbs are devoid of oxygen.

Argon, Helium, N₂

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Medical

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

MRI Installations

Monitor quality of breathing air to ensure that the cryogenic gases used to cool the MRI magnets don’t deplete the breathing air oxygen in confined spaces

Air

Percent 20.9%

·        Oxygen Deficiency Monitor-Series 1000

·        Oxygen Deficiency Monitor-Series 1300

Metal/Heats Treating

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Sintering

Powdered metal is pressed into shapes and heated to >2000 degrees F for hours in an inert atmosphere, to increase bulk density and other properties.

H₂, N₂

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Specialty Welding

The welding parts are done under inert conditions using either nitrogen, argon, or helium gas to provide a protective atmosphere.

Argon, Helium, N₂

Trace

·       Series 3000

·        Trace Oxygen Transmitter-Series 3510

·       Series 3520

Bright Annealing

For certain steel alloying processes pure nitrogen atmospheres are required. So is the case in hot rolling mills.

H₂, N₂

Trace

·        Series 3000

Steel Production

Many experiments performed under controlled or inert atmospheres must be done under low oxygen conditions.

Argon, Nitrogen, N₂

Percent and Trace

·        Percent Oxygen Analyzer-Series 2000

·        Series 3000

·        Zirconia Oxygen Analyzer (ZRO 2000)

Nuclear

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Waste Gas Monitoring at Nuclear Power Plants

Monitoring inlet and outlet gas from recombiner. Percent O2 and H2 are measured at inlet to ecombine- er. O2 in ppm is measured at outlet of recombiner.

Argon, Helium, H₂, N₂

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Tritium Recovery

Research in separating tritium from deuterium, after the use of heavy water (D2O) in nuclear reactors.

Deuterium, Tritium

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Nuclear Recovery

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Tritium Recovery

Research in separating tritium from deuterium, after the use of heavy water (D2O) in nuclear reactors.

Deuterium, Tritium

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

PetroChemical

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Pipelines containing gas feedstocks such as natural gas

Gas producers and gas pipeline end users have specifications requiring low ppm O2 in natural gas.

Hydrocarbon feed-stocks, Natural Gas

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Pipelines containing gas feedstocks such as natural gas

Gas producers and gas pipeline end-users have specification requiring low ppm O2 in natural gas.

Hydrocarbon feed-stocks, Natural Gas

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

PetroChemical/Plastics

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Production of polyethylene, polypropylene, polyesters and other polymers

Feedstock polymerization reaction creates plastics that meet desired specifications. In certain processes N2 blankets prevent O2 contamination

Ethylene, N₂, Other, Propylene

Trace or Percent

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Pharmaceutical

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Monitoring of Centrifuges

Drying of solvent-based pharmaceutical products often requires use of process centrifuges. To avoid flash fires, oxygen levels are kept under 2%.

N₂

Percent

·        Percent Oxygen Analyzer-Series 2000

·        Percent Oxygen Measurement

Plastics

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

UV/E-beam Curing

Electron Beam and/or UV curing of certain plastics requires the curing be done in a low oxygen environment. Excessive levels of oxygen adversely affect the curing and product spoilage increases.

N₂

Trace or Percent

·        Percent Oxygen Analyzer-Series 2000

·        Series 3000

·        Zirconia Oxygen Analyzer (ZRO 2000)

Power Generation

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Power Plant Hydrogen-Cooled Generators

Hydrogen is an excellent cooling gas for turbine generators because it has a low viscosity and high thermal conductivity reducing friction & heat losses.

H₂

Trace

·       Series 3000

·        Trace Oxygen Transmitter-Series 3510

PSA and VPSA Processes

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Ensure the Quality of the Gas Generated

Pressure Swing Adsorption and Vacuum Swing Adsorption Systems often incorporate O2 monitors to help ensure gas quality.

Air

Percent

·        Percent Oxygen Analyzer-Series 2000

·        Percent Oxygen Measurement

Research Labs

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

CO2 Monitoring

Carbon dioxide is often measured as a process variable to indicate a completion or partial completion of chemical reactions.

Argon, Helium, H₂, N₂

Trace or Percent

·        Carbon Dioxide Monitor

Monitoring Oxygen In Confined Spaces

Monitor quality of breathing air to ensure that the cryogenic gases used in the labs don’t deplete the breathing air oxygen

N₂

Percent

·        Oxygen Deficiency Monitor-Series 1000

Semiconductor

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Annealing of Wafers

Silicon wafers are heat treated in an inert atmosphere, high temperature furnace.

Argon, Helium, H₂, Mixtures, N₂

Trace

·        Series 3000

·        Portable Oxygen Analyzer (Series 3520)

Semiconductor / Ceramics

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Furnaces for production of ceramic components (sintering process)

Ceramic components are made from sintered materials which involve heat treating/bonding of powders to form a coherent shape.

N₂

Trace or Percent

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

·        Zirconia Oxygen Analyzer (ZRO 2000)

Specialty Gases

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Measure precise levels of oxygen in gas cylinders

Analyzer is used to validate the concentration of oxygen in cylinders of specialty gases

Argon, etc., Helium, Nitrogen

Trace

·       Series 3000

·        Zirconia Oxygen Analyzer (ZRO 2000)

Synthetics

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Production of nylon, orlon, and polyesters

Polymerization reaction.

H₂

Trace

·        Series 3000

·        Trace Oxygen Transmitter-Series 3510

Veterinary Medicine

Application

Application Description

Gases of Concern

Range of Measurement

Recommended Products

Animal Recovery Chambers

Oxygen therapy is frequently used for pets recovering from surgery and/or disease

Air, Enriched Atmosphere

Percent

·        Oxygen Monitor

·        Percent Oxygen Analyzer-Series 2000

·       Zirconia Oxygen Analyzer (ZRO 2000)

Questions? We’re here to help.

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