Alpha Omega Instruments (AOI)

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...

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AOI Series 3000 Oxygen Analyzer
AOI Series 3000 Oxygen Analyzer
Trace O2 monitor with single-range or optional three-range measurements, and an option for a watertight enclosure.
Starting at $5,204.00
AOI Series 1300 Oxygen Analyzer
AOI Series 1300 Oxygen Analyzer
Monitor for adding up to one local sensor, two remote sensors, and eight horn and strobe alarms.
Starting at $1,754.00
AOI OXY-SEN Oxygen Analyzer
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.
Starting at $1,625.00
AOI Series 2000 Oxygen Analyzer
AOI Series 2000 Oxygen Analyzer
Percent O2 monitor with single-range or optional three-range measurements, and optional watertight enclosure.
Starting at $3,893.00
AOI Series 3520 Oxygen Analyzer
AOI Series 3520 Oxygen Analyzer
Portable, battery-operated trace oxygen monitor designed for spot measurements in commercial and industrial applications.
Starting at $4,256.00
AOI ZRO2000 Oxygen Analyzer
AOI ZRO2000 Oxygen Analyzer
Fast-response analyzer with non-depleting zirconia sensor suited for industrial applications requiring continuous oxygen measurements.
Starting at $7,497.00
AOI Series 2520 Oxygen Analyzer
AOI Series 2520 Oxygen Analyzer
Portable, battery-operated percent oxygen monitor designed for spot measurements in commercial and industrial applications.
Starting at $2,940.00
AOI Series 3500 Oxygen Transmitter
AOI Series 3500 Oxygen Transmitter
Loop-powered, trace oxygen analyzer with eight possible measurement ranges from 0-10 to 0-20,000 ppm.
Starting at $3,507.00
AOI Series 3510 Oxygen Transmitter
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.
Starting at $3,603.00
AOI Series 2510 Oxygen Transmitter
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.
Starting at $2,585.00
AOI Series 2500 Oxygen Transmitter
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.
Starting at $2,415.00
AOI OXY-SEN-2SN Replacement Sensor
AOI OXY-SEN-2SN Replacement Sensor
Replacement sensor for the OXY-SEN oxygen analyzer.
In Stock
$411.00
AOI 1SEN Replacement Local Sensor
AOI 1SEN Replacement Local Sensor
Replacement local sensor for the Series 1300 and 1000 oxygen analyzers.
In Stock
$461.00
AOI 3SEN Replacement Sensor
AOI 3SEN Replacement Sensor
Replacement sensor for Series 3000 oxygen analyzer.
In Stock
$530.00
AOI Series 1300 Remote Oxygen Sensor
AOI Series 1300 Remote Oxygen Sensor
Remote sensor, 0 to 30% oxygen measurement range, remote with 10ft cable (max of 2 per 1300 series monitor), for use with new analyzer or as a replacement sensor for existing analyzer.
$1,165.00
AOI 2SEN Replacement Sensor
AOI 2SEN Replacement Sensor
Replacement sensor for Series 2000 oxygen analyzer.
In Stock
$461.00
AOI Series 1300 Horn & Strobe
AOI Series 1300 Horn & Strobe
Up to 8 per 1300 series monitor (over 4 each requires auxiliary power supply 13-PS sold separately), includes 10ft cable.
$530.00
AOI OXY-SEN-SCBL Straight Sensor Cable
AOI OXY-SEN-SCBL Straight Sensor Cable
Cable for use with the OXY-SEN oxygen monitor, available in 3, 6, 10, 24 and 30ft lengths.
Starting at $66.00
AOI AFM-FE Filter Elements
AOI AFM-FE Filter Elements
Spare filter elements for the AFM20 coalescing filter.
$75.00
AOI SS-FBX Spare Filter Elements
AOI SS-FBX Spare Filter Elements
316 stainless steel filter elements for the SS-4TF-2 filter.
$75.00
AOI OXY-SEN Output Cable
AOI OXY-SEN Output Cable
10-foot (3-meter) output cable with mating connector that connects to the 4-20 mADC output connector(s).
$83.00
AOI OXY-SEN-CCBL Coiled Sensor Cable
AOI OXY-SEN-CCBL Coiled Sensor Cable
10-foot (3-meter) cable for use with the OXY-SEN oxygen monitor.
$96.00
AOI Series 1300 Horn & Strobe Auxiliary Power Supply
AOI Series 1300 Horn & Strobe Auxiliary Power Supply
Universal AC to 12V at 2.1A.
$140.00
AOI OXY-SEN-GF-UNIVERSAL Sensor Housing
AOI OXY-SEN-GF-UNIVERSAL Sensor Housing
Brass flow through sensor housing with two 1/4-inch OD plastic tube fittings and two 1/4-inch SS compression fittings for the sample inlet and outlet.
$176.00
AOI FLM-UNIVERSAL Flowmeter
AOI FLM-UNIVERSAL Flowmeter
One-piece acrylic flow meter without flow control adjustment, 1/4in quick connects on input and output.
$299.00
AOI Replacement Battery Pack for Series 1300 battery unit
AOI Replacement Battery Pack for Series 1300 battery unit
AOI Replacement Battery Pack for Series 1300 battery unit.
$328.00
AOI FLMC-UNIVERSAL Flow Meter
AOI FLMC-UNIVERSAL Flow Meter
One-piece acrylic flow meter with flow control adjustment, 1/4in quick connects on input and output.
$329.00
AOI NV-SS-2C-2C Flow Control Valve
AOI NV-SS-2C-2C Flow Control Valve
Mounted on the sample inlet and made of stainless steel.
$344.00
AOI AFM20 Coalescing Filter
AOI AFM20 Coalescing Filter
Aluminum housing recommended for samples containing a very light mist and particles >30 microns.
$564.00
AOI SS-4TF-2 Sample Filter
AOI SS-4TF-2 Sample Filter
High-capacity sample filter recommended for when particles are >5 microns, 316SS body and filter element with 1/4in compression fittings.
$652.00
AOI 3SEN-CO2 Sensor
AOI 3SEN-CO2 Sensor
CO2-resistant trace oxygen replacement sensor.
$680.00
AOI PMP-220 Sample Pump
AOI PMP-220 Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 220VAC.
$732.00
AOI PMP-24 Sample Pump
AOI PMP-24 Sample Pump
For use in applications with sample pressure from 12 to 14.9 psia (827 to 1027 mbar), 24 VDC.
$732.00
AOI 3-SOL-E Solenoid Valves
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.
Starting at $771.00
AOI PR-100 Pressure Regulator
AOI PR-100 Pressure Regulator
Aluminum body and stainless steel needle valve, maximum pressure input of 100psig (7.03kg/cm²).
$858.00
AOI PR-3000 Pressure Regulator
AOI PR-3000 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).
$1,710.00