Application Guide

O2 Sensors for Rebreathers

50% to 95% Oxygen generated by pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) processes mounted on portable skids used

Air

GPR-3100
GPR-2600
GPR-2900
GPR-2000
GPR-3500 MO

Oxygen deficiency in control rooms in accordance with OHSA, Caution 20% and Danger 19.5% thresholds

Air, N2

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

Oxygen levels inside skid mounted containers housing N2 and oxygen generators, 19.5% deficiency and 23.5% excess

Air, N2, 02

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

Ambient Safety

Oxygen deficiency in ambient air found in confined spaces, control rooms and area monitoring in accordance with OSHA, Caution 20% and Danger 19.5% thresholds

Ambient

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

ATEX certified intrinsically safe equipment for monitoring oxygen deficiency <19.5% in areas classified as hazardous (not for acetylene or hydrogen service).

Ambient

GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX

Oxygen deficiency in control rooms in accordance with OHSA, Caution 20% and Danger 19.5% thresholds

Air, N2

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

Oxygen levels inside skid mounted containers housing N2 and oxygen generators, 19.5% deficiency and 23.5% excess

Air, N2, 02

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

Antiquities

0-1% Oxygen contamination of inert N2 blanketing of various artifacts within museums, eliminates corrosion

N2

GPR-2900
GPR-2500

Automotive

0.1% to 5% Oxygen contamination of (99.9%) purity N2 produced by skid mounted membrane generators for production of low purity diesel fuel (81% N2) that reduces NOx emissions

Air

GPR-2900
GPR-2500
GPR-2535
GPR-2000

Aviation

0.1% to 5% Oxygen contamination of N2 (99.9%) purity N2 produced by skid mounted membrane generators for inerting aircraft fuel tanks

Air

GPR-2900
GPR-2500
GPR-2535
GPR-2000

Beverages

0-10 PPM Oxygen contamination of vaporized liquid CO2 transferred from tanker truck (optional automated sample system available)

CO2, Air

GPR-1600
GPR-1900
GPR-1500
GPR-1200
GPR-1100

0-10 PPM Oxygen contamination of CO2 delivery tankers

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination of CO2 cylinders used in beverage dispensing

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination of head space (CO2 blanket) of fermentors, brew tanks and storage tanks

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination of CO2 injection into fermentation process

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination of off-line fermetors

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination of head space (CO2 blanket) of wood barrels

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination of CO2 reclaimed from the brewing process for reuse or sale back to gas manufacturer

CO2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-1% Oxygen contamination of carbonation in bottling process

CO2

GPR-2600
GPR-2900
GPR-2500

Blanketing

0-100 PPM Oxygen contamination of blanketing gases ensuring product quality off proprietary hydrocarbons

N2, Ar, He

GPR-1600 UHP
GPR-1600 MS

0-10 PPM Oxygen contamination of blanketing gases protecting product quality during tranportaion and storage

N2, CO2

GPR-1600
GPR-1500
GPR-1800 AIS ATEX
GPR-1800 IS ATEX
GPR-1900
GPR-1200 ATEX
GPR-1100

Spot check oxygen levels in fruit and grain storage silos are below 1% oxygen to extend storage life and maintain quality

N2, CO2

GPR-2000
GPR-3000 A
Palm O2 I

Monitor oxygen levels are below 5% to prevent ignition or explosive reactions with other gases

N2, CO2

GPR-28 ATEX
GPR-28
GPR-2800 AIS ATEX
GPR-2800 IS ATEX
GPR-2500 ATEX
GPR-2000 ATEX
GPR-2600
GPR-2900
GPR-2500

Chemical Petrochemical

50 PPB to 5 PPM Oxygen contamination that can act as a catalyst of undesirable polymerization during steam cracking hydrocarbon feedstocks (ethane, propane, butane, naptha, natural gas, etc.) to produce olefin feedstocks (ethylene, propylene, butadiene, H2 and others) that are then separated and purified; and, increasing oxygen levels indicate an air leak creating a potentially explosive hazard

Hydrocarbon feedstocks,
Ethylene,
Propylene,
Butadiene

GPR-18 MS ATEX
GPR-18 ATEX
GPR-1200 MS ATEX
GPR-1200 ATEX
GPR-1100 ATEX

50 PPB to 10 PPM Oxygen contamination of Zieglar-Natta and metallocene catalysts used to initiate and control the polymerization reaction to assure product quality and processing performance of plastics such as polyethylene, polypropylene, polyesters, etc.

Ethylene,
Propylene,
Butadiene,
N2 blanket

GPR-18 MS ATEX
GPR-18 ATEX
GPR-1800 AIS ATEX
GPR-1800 IS ATEX
GPR-1200 MS ATEX
GPR-1200 ATEX

0-5 PPM Oxygen contamination of pipelines containing natural gas and olefin feedstocks assures quality of polyolefin product; and, increasing oxygen levels indicate an air leak creating a potentially explosive hazard

Ethylene,
Propylene,
Butadiene

GPR-18 ATEX
GPR-1800 AIS ATEX
GPR-1800 IS ATEX
GPR-1200
GPR-1100

0-10 PPM Oxygen contamination of (99.99%) purity N2 for inert blanking of chemicals and refined feedstocks during storage and/or transport by barge, rail, truck tanker or pipeline

N2

GPR-18 ATEX
GPR-1800 AIS ATEX
GPR-1800 IS ATEX
GPR-1200
GPR-1100

0-10 PPM Oxygen contamination of (99.99%) purity N2 for inert blanking of hydrocarbon processing or storage on offshore platform

N2

GPR-18 ATEX
GPR-1800 AIS ATEX
GPR-1800 IS ATEX
GPR-1200 ATEX
GPR-1100 ATEX

0-10 PPM Oxygen impurity in hydrogen mixed with air to produce hydrogen peroxide (H2O2)

Air

GPR-1600
GPR-1900
GPR-1500 ATEX
GPR-1200 ATEX
GPR-1100 ATEX

0-10% Oxygen impurity in production of sodium benzoate a food preservative

Air

GPR-28 ATEX
GPR-2800 AIS ATEX
GPR-2800 IS ATEX
GPR-2000 ATEX

100% High purity oxygen generated cyrogenically used in conjunction with newly developed closed loop processes enable producers of intermediate products to switch from olefin feedstocks to less expensive alkane feedstocks (butane, ethane and propane), recirculate offgases and smaller vessel size (additional cost savings) while reducing the potential for explosive hazards. Products:
- acrylonitrile (propane in lieu of propylene)
- ethylene oxide & ethylene dichloride
- vinyl acetate monomer
- caprolactam
- maleic anhydride

GPR-3100
GPR-2500 MO
GPR-3500 MO

30% to 100% Pure oxygen generated cryogenically, pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) processes mounted on skids replaces air to enrich existing processes and boost product yield and reduce NOx emissions:
- fluid catalytic cracking
- sulfur recovery (reduce content in vehicle fuels and use heavier crude feedstocks without being constrained by the capacity of the sulfur plant)
- sulfuric acid regeneration (used in the production of titanium dioxide)
- aluminum smelters
- glass smelters

Varies

GPR-3100
GPR-2500 MO
GPR-2600
GPR-2900
GPR-3500 MO
GPR-2000

Controlled Atmospheres

1 PPM to 100% Oxygen PPM and percent level measurement in inert sealed enclosures used to isolate a particulater process from the environment

Varies

GPR-1535 GB
GPR-1900
GPR-2535
GPR-2900

Curing Oven

0-100 PPM Oxygen contamination of low level oxygen measurement for inert blanketing during the curing process

Varies

GPR-1600
GPR-1900
GPR-1500
GPR-1200

Diving

Trimix compressed gas mixtures utilizing Helium and Oxygen for technical diving

He, O2, N2, Air

GPR-4001 TruMix

Nitrox compressed gas mixtures utilizing elevated O2 levels for recreational diving

O2, N2, Air

Palm O2 D

OEM and replacement oxygen sensors for CCR rebreather applications

O2, Air

Electrical Transformer

0-10 PPM Oxygen monitoring of switch boxes, excess oxygen can cause arcing

SF6

GPR-1200

Electronics

0-100 PPB Oxygen contamination of (99.9999999%) ultra high purity N2 produced cryogenically

N2, Ar, H2, He

GPR-1600 UHP

0-1 PPM Oxygen contamination (99.99999%) of purity N2 generated cryogenically and ceramic membrane process

N2, Ar, H2, He

GPR-1600 UHP
GPR-1600 MS
GPR-1200

0-1 PPM Oxygen contamination of cryogenic purity N2 for production furnances

N2, Ar, H2, He

GPR-1600 UHP
GPR-1600 MS
GPR-1200

0-10 PPM Oxygen contamination of 99.9999% Nitrogen purity N2 during separation, storage and transfer via pipeline and tanker truck

N2, Ar, H2, He

GPR-1600 UHP
GPR-1600 MS
GPR-1600
GPR-1200 MS
GPR-1200
GPR-1100

0-10 PPM Oxygen contamination of cryogenic, ceramic membrane, pressure swing adsorption (PSA) skid and deoxo catalytic generated (99.999%) purity N2

N2, Ar, H2, He

GPR-1600 MS
GPR-1600
GPR-1200
GPR-1100

10 PPM to 100% Oxygen purity of furnace fuel gas for sintering ceramic powders into shapes

Fuel gas

GPR-1600
GPR-1900
GPR-1500
GPR-1200
GPR-2600
GPR-2900
GPR-2500
GPR-1100

0-10 PPM Oxygen contamination in controlled atmospheres used for various sealing, firing and soldering processes to join dissimilar materials

N2

GPR-1600 MS
GPR-1900 MS
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination in N2 gases used in inert reflow soldering and wave soldering

N2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

0-10 PPM Oxygen contamination in N2, and H2 gases used in the packaging of integrated circuits

N2

GPR-1600
GPR-1900
GPR-1500
GPR-1200

Oxygen deficiency in confined areas in accordance with OHSA Caution 20% and Danger 19.5% threshholds

Air, N2

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

0-20.9% Oxygen, 0-10 PPM CO, 0-1000 PPM CO2 content of breathing air respirator tanks

Compressed air

GPR-990

Fertilizer

0-10 PPM Oxygen, contamination during Ammonia production

N2, H2

GPR-1600
GPR-1500

Fiber Optics

0-10 PPM Oxygen impurity in inking process

N2

GPR-1600
GPR-1200

0-10 PPM Oxygen, contamination monitoring during the transmission of signals at different wavelengths

N2

Oxygen Sensors for Anesthesia

Food

0-5% Oxygen impurity in modified atmosphere package (MAP)

N2 or CO2

GPR-2500
GPR-20 FP

0-5% Oxygen level to protect personnel and equipment from possible explosive hazard (methane) resulting from decomposition of bio-ponds

N2 or CO2

GPR-2800 AIS ATEX
GPR-2800 IS ATEX
GPR-2500 S ATEX

0-100% Oxygen purity levels during injection of pure oxygen into fish farms to expedite fish growth

Oxygen

GPR-3100
GPR-2500 MO
GPR-2900
GPR-2500
GPR-2000
GPR-3500 MO

0-1% Oxygen low level oxygen measurement in CO2 background gas during the stunning process for both pigs and poultry

CO2

GPR-2600

Glass

30% to 100% Oxygen, pure oxygen generated cryogenically, pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) processes mounted on skids replaces air to enrich existing processes and boost product yield and reduce NOx emissions

Varies

GPR-3100
GPR-2600
GPR-2900
GPR-3500 MO
GPR-2000

Glove Box

1 PPM to 100% Oxygen PPM and percent level measurement in inert sealed enclosures used to isolate a particulater process from the environment

Varies

GPR-1535 GB
GPR-1900
GPR-2535 GB
GPR-2900

Light Bulbs

0-100 PPM Oxygen low level PPM measurement of Ar, He and N2 during bulb filling procedure

Ar, He, N2

GPR-1600
GPR-1900
GPR-1500

Landfill Gas

0-1% level oxygen measurement of the gas as it is used to power incinerators and boilers

Methane,
N2, CO2, CO

GPR-2800 AIS

Marine Transport

0-10 PPM Oxygen PPM level N2 for inert blanketing of refined feedstocks and other hydrocarbon cargo during transport

N2

GPR-1600
GPR-1200
GPR-1100

0-10 PPM Oxygen PPM level N2 for inert blanketing of vegetables and other perishable goods

N2

GPR-1600
GPR-1200
GPR-1100

0-1% oxygen purging of cargo hulls and holds to eliminate bugs and micro organisms; prevents contamination of local water ways

N2

GPR-2600

Medical

Second hand confirmation of the volume of oxygen (15-100%) being administered to a patient during:

Anesthesia
Respiratory Therapy
Neonatal Incubators
Pediatric Hoods
Oxygen Therapy in Intensive Care
Emergency Transport

O2, Air, Anesthesia Gases

AII-2000 A
AII-2000 HC
AII-2000 M
AII-2000 Palm O2

OEM (view cross reference) oxygen sensors for anesthesia

O2, Air, Anesthesia Gases

OEM (view cross reference) oxygen sensors for respiratory therapy

O2, Air, Anesthesia Gases

Oxygen Sensors for Respiratory

Military

0.1% to 5% Oxygen membrane skid generated N2 (99.9%) inerting fuel storage tanks on ships

Air

GPR-2600
GPR-2900
GPR-2000

0-10 PPM Oxygen, low PPM Mustard and Saran gas used to produce biological weapons

Mustard, Saran

0-10 PPM Oxygen, low PPM N2 for sidewinder cylinder missile refilling

N2

GPR-1200

0-1% Oxygen, low percent N2 for tire filling applications

N2

AII-3000A
TruO2 I/W

0-100% Oxygen Purity measurement utilized for high altitude breathing when required for the crew or oxygen saturation for paratroops

Oxygen

GPR-2900
GPR-3500 MO

0-100% Oxygen Purity measurement provide point of analysis in self cantained oxygen concentrators for field hospitals

Oxygen

N2/O2 Generators

0-1000 PPM Oxygen, PPM level N2 (99.99%) generated by pressure swing adsorption (PSA) skid and deoxo catalytic

Air

GPR-1500
GPR-1900
GPR-1200
GPR-1100

0.1% to 5% Oxygen, N2 (99.9%) generated from a membrane process mounted on portable skid

Air

GPR-2900
GPR-2000

20.9% Oxygen, synthetic air blenders for hospital back-up

Oxygen

50% to 95% Oxygen generated by pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) processes mounted on portable skids used

Air

GPR-3100
GPR-2600
GPR-2900
GPR-2000
GPR-3500 MO

Natural Gas

0-10 PPM Oxygen contamination of natural gas extracted by vacuum techniques creates the possibility of exceeding 0-50 PPM oxygen contractual limits which requires costly blending processes to reduce the oxygen to contractual limits

CH4, CO2, H2S

GPR-1500 AIS ATEX
GPR-1500 IS ATEX
GPR-1500 ATEX
GPR-1200 ATEX
GPR-1100 ATEX
General purpose configurations available

0-10 PPM Oxygen contamination in vacuum extraction as above where minor amounts of liquid is present in the gas stream

CH4, CO2, H2S

GPR-1500 AIS ATEX ‡
GPR-1500 IS ATEX ‡
GPR-1500 AIS ‡
GPR-1500 IS ‡
GPR-1200 ATEX
GPR-1100 ATEX
‡ Optional A-3393-X Sample System

0-10 PPM Oxygen contamination in vacuum extraction as above where large amounts of liquid is present in the gas stream

CH4, CO2, H2S

GPR-1500 AIS-LD ATEX
GPR-1500 IS-LD ATEX

0-20 PPM to 100 PPM continuous analysis of H2S concentration in natural gas streams

CH4, CO2, H2S

GPR-7500 AIS
GPR-7500 IS

0-500 PPM to 2000 PPM continuous analysis of H2S concentration in natural gas streams

CH4, CO2, H2S

GPR-7500 AIS
GPR-7500 IS

0-100 PPM Oxygen from air leaks reacts with H2O and H2S to form sulfuric acid which corrodes gathering lines resulting in lost product and potentially explosion conditions

CH4, CO2, H2S

GPR-1200 ATEX
GPR-1100 ATEX

0-20 PPM to 100 PPM spot check analysis of H2S concentration in natural gas streams

CH4, CO2, H2S

GPR-7100

0-500 PPM to 2000 PPM spot check analysis of H2S concentration in natural gas streams

CH4, CO2, H2S

GPR-7100

0-100 PPM Oxygen contamination of catayst and regeneration beds

CH4, CO2, H2S

GPR-1200
GPR-1100

0-100 PPM Oxygen contamination during the processing of 'cleaned' natural gas

CH4, CO2, H2S

GPR-18 MS ATEX
GPR-18 ATEX
GPR-1800 AIS ATEX
GPR-1800 IS ATEX

0-100 PPM Oxygen can combine with natural gas to create a potentially explosive hazard and the need to protect of field personnel, gathering equipment, compressors and booster station equipment

CH4, CO2, H2S

GPR-1200
GPR-1100

0-1% Oxygen measurement of landfill gas feed generator

CH4, CO2

GPR-2000

Ozone Generation

50% to 95% Oxygen, pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) skid generated oxygen

Air

GPR-3100
GPR-2600
GPR-2900
GPR-3500 MO

Pharmaceutical

0-5% Oxygen analysis in N2 career gas with solvents present

N2, Solvents

0-2% Oxygen monitoring of centrifuges during drying process

N2

Pipeline Transmission

0-100 PPM Oxygen from air leaks reacts with H2O and H2S to form sulfuric acid which corrodes gathering lines resulting in lost product and potentially explosion conditions Learn more....

CH4, CO2, H2S

GPR-1200
GPR-1100

Plastics

0-100 PPM, 0-1%, Level monitoring during electron bean and, or UV curing

N2

GPR-1600
GPR-2600

Power Generation

0-25% Oxygen alert to any upset air contamination of H2 cooling gas to avoid potential for explosion

H2, Air

GPR-28 ATEX

0-10 PPM Oxygen, low level monitoring of H2 cooling gas for turbine generators

H2

GPR-18 ATEX
GPR-1200

0-10 PPM Oxygen, low level monitoring of Tritium recovery in nuclear reactors

Tritium,
Deuterium

0-10 PPM monitoring of waste gas at Nuclear Power Plants

N2, Ar, H2, He

Pulp & Paper

50% to 90% Oxygen cryogenic, pressure swing adsorption (PSA) and vacuum pressure swing adsoption (VPSA) skid generated oxygen for delignification and bleaching

Air

GPR-3100
GPR-2600
GPR-2900
GPR-3500 MO

Refinery

0-1%, 0-5% Oxygen in flue gas at stack incinerator during sulfur recovery

Flue Gas

Research

Controlled atmospere, government labs, university

Semiconductor

0-100 PPM Oxygen, Ultra High Purity N2 for heat treating silicon wafers

N2, H2

GPR-1600 UHP

0-100 PPM Analysis at point of use - at tool location

N2, H2, Ar

GPR-1600 UHP

0-100 PPB Oxygen, contamination of N2, H2, Ar carrier gases

N2, H2, Ar

GPR-1600 UHP
GPR-1600 MS

0-100 PPB Oxygen, contamination of H2 scavenger gases used in atmosphere soldering and annealing copper films

N2, H2

GPR-1600 UHP
GPR-1600 MS
GPR-1600

Non-invasive leak detection in UHP gas distribution systems with mobile cart

GPR-1600 UHP
GPR-1600 MS

0-10 PPM Oxygen purity cryogenic, ceramic membrane, pressure swing adsorption (PSA) skid and deoxo catalytic generated N2 (99.999%) for wafer oxidation furnaces

N2, H2

GPR-1600
GPR-1200

0-19.5 to 20.0% Oxygen deficiency in confined areas

Ar, N2

GPR-35
GPR-2500 S
GPR-2500 S ATEX
GPR-2835 AIS ATEX
GPR-2835 IS ATEX
AII-3000 A
AII-3000 M
Palm O2 I

Specialty Metals

0-1 PPM Oxygen purity of furnace fuel gas for sintering metal powers into shapes and desired strength

N2, H2

GPR-1600 MS
GPR-1900 MS
GPR-1600
GPR-1200 MS
GPR-1200

0-10 PPM Oxygen contamination in H2 gas for heat treating and annealing hardness and brightness

H2, N2

GPR-1600
GPR-1900
GPR-1500
GPR-1200
GPR-1100

30% to 100% Pure oxygen generated cryogenically, pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) processes mounted on skids replaces air to enrich existing processes and boost product yield and reduce NOx emissions:
-zinc recovery processes
-gold leaching processes
-various brazing processes
-processing scrap aluminum
-improve heat transfer in electric-arc steel making furnaces

GPR-3100
GPR-2600
GPR-2900
GPR-3500 MO
GPR-2000

Steel

50% to 95% Oxygen, cryogenic, pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA) skid generated oxygen that improve heat transfer in electric-arc steel making furnaces increasing the yield and reducing NOx emissions

Air

GPR-3100
GPR-2600
GPR-2900
GPR-3500 MO

0-10 PPM Oxygen low PPM purity H2 for heat treating and annealing processes producing desired hardness and brightness

H2, N2

GPR-1600
GPR-1200
GPR-1100

0.1% to 5% Oxygen membrane separated N2 skids

Air

0-10 PPM Oxygen, level N2 / Ar inert blanketing to prevent slag oxidation on steel on the caster or tundish

N2, Ar

GPR-1600
GPR-1200
GPR-1100

0-5%, 0-10% level oxygen, monitoring of coke plant storage tanks & coke oven gas before electrostatic precipitation

Oven Gas