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Oxygen Sensors

Apogee Instruments oxygen sensor measures gaseous O2 in the laboratory and porous media.
Reliable gaseous oxygen measurement in the laboratory and porous media.
Apogee Instruments' oxygen sensors reliably measure 0 to 100 % gaseous O2.
Heated Detector
The protective membrane in front of the oxygen sensor can be heated to prevent water from condensing on the membrane and blocking the diffusion path. The heater is typically used when sensors are deployed in soil or compost where relative humidity is close to 100 %.
Rugged Housing
Housed in a polypropylene body and electronics are fully potted, ideal for long-term deployment in porous media, including acidic environments (mine tailings). Two head options are available: a diffusion head that creates a small air pocket for measurement in porous media and a flow-through head with two adapters for tubing that allows measurement of gas flowing in lines.
Simple Calibration
Voltage output is linearly proportional to absolute amount of oxygen. Calibration is accomplished by measuring the voltage under ambient conditions (atmosphere is 20.95 % O2 and deriving a linear calibration factor (slope). A zero offset can be measured with N2 gas (recommended for measurements below 10 % O2).
SO-110 oxygen sensor with a flow-through head.
Apogee oxygen sensor meter option.
Typical Application
Applications include: measurement of O2 in laboratory experiments, monitoring gaseous O2 in indoor environments for climate control, monitoring of O2 levels in compost piles and mine tailings, monitoring redox potential in soils, and determination of respiration rates through measurement of O2 consumption in sealed chambers or measurement of O2 gradients in soil/porous media.
Internal Temperature Sensor
All oxygen sensors have an internal thermistor (type-K thermocouple is available upon request) that allows for temperature monitoring and correction of signal for temperature effects.
Output Options
Analog version is an un-amplified voltage output. Oxygen sensors are also available to a hand-held meter with digital readout.
Warranty and Support
All Apogee products are backed by an industry-leading four year warranty and outstanding customer support.
Learn more about oxygen sensor specifications.

Specifications

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Watch videos to learn more about our oxygen sensors.

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Apogee Instruments oxygen sensor case studies.

Case Studies

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Product support information for oxygen sensors.

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  • Oxygen Sensor Support

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  • $349.00 - $435.00
SO-110: Soil Response Thermistor Reference Oxygen Sensor
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SO-110: Soil Response Thermistor Reference Oxygen Sensor

$365.00
SO-120: Soil Response Thermocouple Reference Oxygen Sensor
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SO-120: Soil Response Thermocouple Reference Oxygen Sensor

$365.00
SO-210: Fast Response Thermistor Reference Oxygen Sensor
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SO-210: Fast Response Thermistor Reference Oxygen Sensor

$365.00
SO-220: Fast Response Thermocouple Reference Oxygen Sensor
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SO-220: Fast Response Thermocouple Reference Oxygen Sensor

$365.00
SO-411 SDI-12: Soil Response Thermistor Reference Oxygen Sensor
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SO-411 SDI-12: Soil Response Thermistor Reference Oxygen Sensor

SO-421 SDI-12: Fast Response Thermistor Reference Oxygen Sensor
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SO-421 SDI-12: Fast Response Thermistor Reference Oxygen Sensor

MO-200: Oxygen Sensor with Handheld Meter
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MO-200: Oxygen Sensor with Handheld Meter

$435.00
AA-100: Protective Carrying Case
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AA-100: Protective Carrying Case

$24.00
AO-001: Oxygen Sensor / Meter Diffusion Head
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AO-001: Oxygen Sensor / Meter Diffusion Head

$39.00
AO-002: Oxygen Meter / Sensor Flow Through Head
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AO-002: Oxygen Meter / Sensor Flow Through Head

$39.00
AO-003: Connection Nut for Apogee Oxygen Sensors
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AO-003: Connection Nut for Apogee Oxygen Sensors

$10.00
AC-100: Communication Cable
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AC-100: Communication Cable

$62.00
AB-100: Meter Battery
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AB-100: Meter Battery

$5.00
AC-421 SDI-12 to USB Converter
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AC-421 SDI-12 to USB Converter

$130.00

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About Apogee Instruments, Inc.

Address:
721 West 1800 North
Logan, UT 84321
United States of America

Hours: Monday-Friday 8 AM- 5 PM MST

Main Line / Order Status: (435) 792-4700
or sales@apogeeinstruments.com

Technical Sales and Support: (435) 245-8012
or techsupport@apogeeinstruments.com

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  • products
    • PAR, Daily Light Integral, and Photoperiod Meters
    • Pyranometers
    • Quantum (PAR & ePAR) Sensors / Meters
    • Infrared Radiometers
    • Aspirated Radiation Shield
    • Spectroradiometers
    • Net Radiometer
    • Pyrgeometers
    • Humidity Probes
    • Temperature Sensors
    • Radiation Frost Detector
    • Oxygen Sensors
    • UV Sensors
    • Chlorophyll Concentration
    • Barometric Pressure
    • PAR Meters for Aquariums
    • microCache Bluetooth Micro Logger
    • Red - Far-red and PAR-FAR Sensors
    • Photometric Sensor
    • NDVI Sensors
    • Solar Energy PV Monitoring
    • Accessories
    • Calibration Services
    • Replacement Cables
    • Refurbished Products
  • About Us
    • Contact Us
    • ISO 9001:2015 Certification
    • International Distributors
    • Careers
    • Apogee News
    • Newsletters
    • Company History
    • Event Calendar
    • Staff Listing
    • Apogee Cares
    • Our Founder - Dr. Bruce Bugbee
    • Wholesale Application
    • Customer Satisfaction Survey
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