For over 25 years, Alpha Omega Instruments has worked hard to manufacture the industry’s highest quality products. They understand that the one constant of the global marketplace is the desire of customers to find effective and economical solutions to their measurement and control needs. Alpha Omega Instruments has the product breadth, application experience, and extraordinary customer care to do just that. read more

Alpha Omega Instruments Corp. manufactures trace and percent oxygen analyzers and transmitters, safety monitors (oxygen deficiency and carbon dioxide) carbon dioxide analyzers, and moisture monitors. These products are used in commercial, government, and educational institutions around the world. Product quality is emphasized throughout the manufacturing process from raw material vendor surveys through final system checkout, test, and calibration prior to shipment.

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AOI OXY-SEN Oxygen Analyzer
Percent O2 monitor with extended-life, electrochemical sensor that is resistant to a variety of acid gases, including carbon dioxide
$995.00
AOI Series 1000 Oxygen Analyzer
Percent O2 monitor with CO2-resistant sensor and “Watchman Circuit” feature to continuously monitor calibration and battery status
$1,675.00
AOI Series 1300 Oxygen Analyzer
Monitor that can be expanded by adding up to two optional remote sensors and up to eight optional horn and strobe alarms
$1,490.00
AOI Series 9510 CO2 Monitor
Trace CO2 detector with NDIR sensor technology, measuring range of 0 to 5,000 ppm, and audible and visual alarms
$1,995.00
AOI Series 2520 Oxygen Analyzer
Portable, battery-operated percent oxygen monitor designed for spot measurements in commercial and industrial applications
$1,995.00
AOI Series 9610 CO2 Monitor
Analyzer that provides an accurate and repeatable measurement of up to 100% or 5,000 ppm carbon dioxide in a variety of gas streams
$3,195.00
AOI Series 3000 Oxygen Analyzer
Trace O2 monitor with single-range or optional three-range measurements, and options for watertight or explosion-proof enclosures
$3,290.00
AOI Series 9600 Oxygen Analyzer and CO2 Monitor
Electrochemical oxygen sensor for 1-100% O2, and non-dispersive infrared carbon dioxide sensor for up to 100% or 5,000 ppm CO2
$3,995.00
AOI ZRO2000 Oxygen Analyzer
Fast-response analyzer with non-depleting zirconia sensor suited for industrial applications requiring continuous oxygen measurements
$4,795.00
AOI Series 2500 Oxygen Transmitter
Percent oxygen transmitter with six possible measurement ranges from 0-2 to 0-100%, and enclosed in a watertight housing
$1,525.00
AOI Series 3500 Oxygen Transmitter
Loop-powered, trace oxygen analyzer with eight possible measurement ranges from 0-10 to 0-20,000 ppm
$2,295.00
AOI Series 2510 Oxygen Transmitter
Percent oxygen analyzer with six possible measurement ranges from 0-2 to 0-100%, and AC or DC input power options
$1,595.00
AOI Series 3520 Oxygen Analyzer
Portable, battery-operated trace oxygen monitor designed for spot measurements in commercial and industrial applications
$2,695.00
AOI Series 2000 Oxygen Analyzer
Percent O2 monitor with single-range or optional three-range measurements, and options for watertight or explosion-proof enclosures
$2,772.00
AOI Series 3510 Oxygen Transmitter
Trace oxygen analyzer with eight possible measurement ranges from 0-10 to 0-20,000 ppm, and AC or DC input power options
$2,330.00
AOI ZR-LPR Low Pressure Regulator
Used for sample pressures <100 psig (7 kg/cm²)
$325.00
AOI ZR-SEN Replacement Sensor
Replacement sensor for the ZRO2000 fast-response oxygen analyzer
$1,990.00
AOI ZR-PMP Sample Pump
Mounted on rear of ZRO2000 oxygen analyzer, for use when sample pressure is at atmospheric pressure
$425.00
AOI OXY-SEN-2SN Replacement Sensor
Replacement sensor for the OXY-SEN oxygen analyzer
$275.00
AOI ZR-PRR Pressure Regulator
High capacity, stainless steel, for sample pressures up to 3000 psig (210 kg/cm²), adjustable outlet pressure of 0-5 psig (0-0.35 kg/cm²)
$990.00
AOI 2SEN Replacement Sensor
Replacement sensor for Series 2000 oxygen analyzer
$295.00
AOI 96-PRR Pressure Regulator
Stainless steel with 3,000 psig inlet capacity and adjustable outlet pressure range of 0-5 psig
$990.00
AOI 3FBX Spare Filter Elements
316 stainless steel filter elements for the 395S filter
$39.00
AOI 2FBX Spare Filter Elements
316 stainless steel filter elements for the 295S filter
$39.00
AOI 96-CFE Filter Elements
Spare filter elements for the 96-CF coalescing filter
$39.00
AOI 96-FBX Spare Filter Elements
316 stainless steel filter elements for the 995S filter
$39.00
AOI 3CFE Filter Elements
Spare filter elements for the 3CF coalescing filter
$39.00
AOI 2CFE Filter Elements
Spare filter elements for the 2CF coalescing filter
$39.00
AOI OXY-SEN Output Cable
10-foot (3-meter) output cable with mating connector that connects to the 4-20 mADC output connector(s)
$45.00
AOI OXY-SEN-SCBL Straight Sensor Cable
10-foot (3-meter) cable for use with the OXY-SEN oxygen monitor
$55.00
AOI OXY-SEN-CCBL Coiled Sensor Cable
10-foot (3-meter) cable for use with the OXY-SEN oxygen monitor
$55.00
AOI OXY-SEN-GF-05 Sensor Housing
Brass flow through sensor housing with 1/4in SS compression fitting on sample inlet and 1/4in OD plastic tube fitting on sample outlet
$90.00
AOI OXY-SEN-GF Sensor Housing
Brass flow through sensor housing with 1/4in OD plastic tube quick connect fittings on both the gas inlet and outlet
$90.00
AOI OXY-SEN-GFC Sensor Housing
Brass flow through sensor housing with 1/4in SS compression fitting on both the sample inlet and outlet
$95.00
AOI 3FLM Flow Meter
Durable, one-piece acrylic flow meter without flow control adjustment
$160.00
AOI 2FLM Flowmeter
Durable, one-piece acrylic flow meter without flow control adjustment
$160.00
AOI 3FLMC Flow Meter
Durable, one-piece acrylic flow meter with flow control adjustment
$180.00
AOI 2FLMC Flow Meter
Durable one-piece acrylic flow meter with flow control adjustment
$180.00
AOI 2FLV Flow Control Valve
Stainless steel, mounted on the sample inlet
$195.00
AOI 96-NV Needle Valve
Stainless steel valve allows adjustment of sample flow rates, used in conjunction with the 96-PRR and 96-LPRV pressure regulators
$195.00
AOI 3FLV Flow Control Valve
Stainless steel, mounted on the sample inlet
$195.00
AOI 1SEN Replacement Sensor
Replacement sensor for the Series 1000 oxygen analyzer
$295.00
AOI 96SEN Oxygen Sensor
Replacement sensor for the Series 9600 oxygen analyzer and 9610 CO2 monitor
$295.00
AOI 96-CF Coalescing Filter
Aluminum housing, recommended for samples containing a light liquid mist and particles >30 microns
$325.00
AOI 3SEN Replacement Sensor
Replacement sensor for Series 3000 oxygen analyzer
$325.00
AOI 2CF Coalescing Filter
Coalescing filter with aluminum housing, recommended with samples containing a very light mist and particles >30 microns
$325.00
AOI 3CF Coalescing Filter
Aluminum housing recommended for samples containing a very light mist and particles >30 microns
$325.00
AOI 995S Sample Filter
High capacity with 316 SS body and filter element, recommended when particles are >5 microns, 1/4in compression fittings
$375.00
AOI 395S Sample Filter
High-capacity filter with 316 stainless steel (SS) body and 316 SS sintered filter element capable of filtering particles >5 microns
$375.00
AOI 3PMP Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar)
$395.00
AOI 295S Sample Filter
High-capacity sample filter for Series 2000 oxygen analyzer, recommended for when particles are >5 microns
$416.00
AOI 3MPL Mounting Plate
Painted aluminum for mounting items such as remote sensor enclosure, flow meter, and sample pump
$425.00
AOI 2MPL Mounting Plate
Painted aluminum for mounting items such as remote sensor enclosure, flow meter, and sample pump
$425.00
AOI 2PMP-220 Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 220VAC
$425.00
AOI 2PMP-24 Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 24 VDC
$425.00
AOI 3PMP-24 Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 24 VDC
$425.00
AOI 3PMP-220 Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 220VAC
$425.00
AOI 96-PMP Sample Pump
DC-powered pump for use when the sample pressure is 12 to 14.9 psia (827 to 1027 mbar), mounted internally
$425.00
AOI 2PMP Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 110VAC
$438.00
AOI 3-SOL-E Solenoid Valves
Pair of AC valves installed on sample gas inlet and outlet that can be programmed to automatically isolate oxygen sensor when not in use
$445.00
AOI 3SEN-CO2 Sensor
CO2-resistant trace oxygen replacement sensor
$475.00
AOI 3BAT Battery Pack
Nickel metal hydride battery pack with built-in battery charger and 3-4 hours continuous use between charges
$485.00
AOI 2BAT Battery Pack
Nickel metal hydride battery pack with built-in battery charger and 3-4 hours continuous use between charges
$485.00
AOI 96-LPRV Pressure Regulator
Low-capacity regulator with aluminum body and stainless steel needle valve for use when sample pressures are <100 psig (7.03 kg/cm²)
$490.00
AOI 3LPRV Pressure Regulator
Aluminum body and stainless steel needle valve, maximum pressure input of 100psig (7.03kg/cm²)
$490.00
AOI 2LPRV Pressure Regulator
Aluminum body and stainless steel needle valve, maximum pressure input of 100psig (7.03kg/cm²)
$490.00
AOI 2PMPH Sample Pump
High capacity for applications with sample pressure from 10 to 14.9 psia (690 to 1027 mbar), or if the sample line exceeds 25 feet
$550.00
AOI 3PMPH Sample Pump
High capacity for applications with sample pressure from 10 to 14.9 psia (690 to 1027 mbar), or if the sample line exceeds 25 feet
$550.00
AOI 2DL Data Logger
Internally mounted data logger
$625.00
AOI 96-DL Data Logger
Internally mounted data logger for Series 9600 oxygen analyzer and Series 9610 CO2 monitor
$625.00
AOI 3DL Data Logger
Internally mounted data logger
$625.00
AOI 2HTR Sensor Heater
Sensor heater to prevent sensor damage from low temperatures
$675.00
AOI 3HTR Sensor Heater
Sensor heater to prevent sensor damage from low temperatures
$675.00
AOI 3PRR Pressure Regulator
Stainless steel with a 3,000psig (211kg/cm²) inlet capacity and adjustable outlet pressure range of 0 to 5psig (0 to 0.35kg/cm²)
$990.00
AOI 2PRR Pressure Regulator
Stainless steel with a 3,000psig (211kg/cm²) inlet capacity and adjustable outlet pressure range of 0 to 5psig (0 to 0.35kg/cm²)
$990.00