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Oxygen Sensors

PyroScience oxygen sensor systems are based on innovative, high-precision optical detection technique called REDFLASH technology. The sensor designs range from robust probes and microsensors to contactless sensors for closed containers as well as a one of a kind solvent-resistant probe for many polar and non-polar solvents. Pair these up with a compatible optical device and necessary accessories for complete sensor systems.

​We offer complete plug-and-play sensor systems and OEM type solutions for a variety of scientific and industrial applications.

Fiber-Optic Oxygen Sensors

All probes work in gaseous and liquid samples and are compatible with all FireSting type optical meters*

Robust Oxygen Probes

3mm tip diameter, stainless steel, optically isolated

  • OXROB10: Standard range, 10cm long, 2m cable

  • OXROB10-HS: Standard range, high speed (t90 <0.5-3s), 10cm long, 2m cable

  • OXROB10-CL4: Standard range, 10cm long, 4m cable

  • TROXROB10: Trace range, 10cm long, 2m cable

  • OXROBSC: Standard range, screw cap, 10m long, 2m cable

  • OXROB3: Standard range, 3cm long, 2m cable

  • OXROB3-CL4: Standard range, 3cm long, 4m cable

  • TROXROB3: Trace range, 3cm long, 2m cable

  • OXROBGSC-CL5: Standard range, screw cap, 10cm long, 5m cable

  • OXROBGSC-CL10: Standard range, screw cap, 10cm long, 10m cable

  • OXROBGSC-CL20: Standard range, screw cap, 10cm long, 20m cable

Robust Oxygen Probes (for PICO meters only*)

3mm tip diameter, stainless steel, optically isolated

  • OPDIP20: Standard range, dipping probe, 20cm long

  • OPROB3: Standard range, 3cm long, 1m cable

Fixed Fiber Oxygen Minisensors

430µm tip diameter, sensor tip protrudes ca. 2mm, 40mm needle length

  • OXF1100: Standard range, response time (t90 < 3-5s), 2m cable

  • OXF1100-CL4: Standard range, response time (t90 < 3-5s), 4m cable

  • TROXF1100: Trace range, response time (t90 < 3-5s), 2m cable

  • TROXF1100-CL4: Trace range, response time (t90 < 3-5s), 4m cable

  • OXF1100-HS: Standard range, response time (t90 < 0.8s), 2m cable

  • OXF1100-UHS: Standard range, response time (t90 < 0.3s), 2m cable

  • OXF1100-OI: Optically isolated, standard range, response time (t90<6-10s), 2m cable

  • OXF1100-OI-CL4: Optically isolated, standard range, response time (t90<6-10s), 4m cable

Retractable Fiber Oxygen Minisensors

430µm tip diameter, 4-step sliding mechanism, 40mm needle length

  • OXR430: Standard range, response time (t90 < 3-5s), 2m cable

  • OXR430-CL4: Standard range, response time (t90 < 3-5s), 4m cable

  • TROXR430: Trace range, response time (t90 < 3-5s), 2m cable

  • OXR430-HS: Standard range, response time (t90 < 0.8s), 2m cable

  • OXR430-HS-CL4: Standard range, response time (t90 < 0.8s), 4m cable

  • OXR430-UHS: Standard range, response time (t90 < 0.3s), 2m cable

  • OXR430-OI: Optically isolated, standard range, response time (t90 < 6-10s), 2m cable

  • OXR430-OI-CL4: Optically isolated, standard range, response time (t90 < 6-10s), 4m cable

Protected Tip Fiber Oxygen Minisensors

40mm needle length, optimized for gas measurements, sensor tip glued into needle

  • OXF500PT: 500µm needle diameter, response time (t90 < 3-5s), 2m cable

  • OXF500PT-OI: Optically isolated, 500µm needle diameter, response time (t90 < 6-10s), 2m cable

  • OXF500PT-OI-CL4: Optically isolated, 500µm needle diameter, response time (t90 < 6-10s), 4m cable

  • OXF900PT: 900µm needle diameter, response time (t90 < 3-5s), 2m cable

  • OXF900PT-OI: Optically isolated, 900µm needle diameter, response time (t90 < 6-10s), 2m cable

Bare Fiber Oxygen Minisensors

430µm tip diameter, for custom integrations into special geometries

  • OXB430: Standard range, response time (t90 < 3-5s), 2m cable

  • TROXB430: Trace range, response time (t90 < 3-5s), 2m cable

  • OXB430-HS: Standard range, response time (t90 < 0.8s), 2m cable

  • OXB430-UHS: Standard range, response time (t90 < 0.3s), 2m cable

  • OXB430-UHS-CL4: Standard range, response time (t90 < 0.3s), 4m cable

  • OXB430-OI: Optically isolated, standard range, response time (t90 < 6-10s), 2m cable

Fixed Fiber Oxygen Microsensors

50-70µm tip diameter, sensor tip protrudes ca. 6mm, 40mm needle length

  • OXF50: Standard range, response time (t90 < 3-5s), 2m cable

  • OXF50-HS: Standard range, response time (t90 < 0.8s), 2m cable

  • OXF50-UHS: Standard range, response time (t90 < 0.3s), 2m cable

  • OXF50-OI: Optically isolated, response time (t90 < 6-10s), 2m cable

Retractable Fiber Optical Microsensors

50-70µm tip diameter, 4-step sliding mechanism, 40mm needle length

  • OXR50: Response time (t90 < 3-5s), 2m cable

  • OXR50-CL4: Response time (t90 < 3-5s), 4m cable

  • OXR50-HS: Response time (t90 < 0.8s), 2m cable

  • OXR50-UHS: Response time (t90 < 0.3s), 2m cable

  • OXR50-UHS-CL4: Response time (t90 < 0.3s), 4m cable

  • OXR50-OI: Optically isolated, response time (t90 < 6-10s), 2m cable

  • OXR50-OI-CL4: Optically isolated, response time (t90 < 6-10s), 4m cable

Bare Fiber Oxygen Microsensors

50-70µm tip diameter, for custom integrations into special geometries

  • OXB50: Response time (t90 < 3-5s), 2m cable

  • OXB50-CL4: Response time (t90 < 3-5s), 4m cable

  • OXB50-HS: Response time (t90 < 0.8s), 2m cable

  • OXB50-UHS: Response time (t90 < 0.3s), 2m cable

  • OXB50-OI: Optically isolated, response time (t90 < 6-10s), 2m cable

  • OXB50-OI-CL4: Optically isolated, response time (t90 < 6-10s), 4m cable

Solvent Resistant Oxygen Sensors

1.5mm needle diameter, for oxygen monitoring in organic solvents

  • OXSOLV: Fixed sensor tip protrudes ca. 2 mm, needle length 150 mm, 1m cable

  • OXSOLV-PTS: Protected sensor tip, fiber glued into the needle, needle length 40 mm, 1m cable

Contactless Oxygen Sensors

These sensors work in gaseous and liquid samples and are compatible with all FireSting and PICO type meters

Oxygen Sensor Spots

For measurements in closed containers. Transparent surface and accessories are required for complete setups.

  • OXSP5: Regular range, autoclavable, response time (t90 < 7-16s), requires SPGLUE silicon glue

  • TROXSP5: Trace range, autoclavable, response time (t90 < 7-16s), requires SPGLUE silicon glue

  • OXSP5-ADH: Regular range, autoclavable, response time (t90 < 7-16s), self-adhesive

  • TROXSP5-ADH: Trace range, autoclavable, response time (t90 < 7-16s), self-adhesive

  • OXSP5-SUB: Regular range, for underwater systems only, autoclavable, response time (t90 < 5s), requires SPGLUE silicon glue

  • OXSP5-ADH-STER: Regular range, beta-sterilized, response time (t90 < 7-16s), self-adhesive

  • TROXSP5-ADH-STER: Trace range, self-adhesive, beta-sterilized, response time (t90 < 7-16s)

Oxygen Flow-Through Cells

For inline oxygen and temperature monitoring with specified flow rates, varied response times

  • TOFTC2: Integrated O2 and temp sensor, for ca. 3.2 or 4.0mm ID tubings, flow rate: 20-500mL/min

  • OXFTC: Integrated O2 sensor, for ca. 1.6 or 2.4mm ID tubings, flow rate: 10-100mL/min

  • OXFTC2: Integrated O2 sensor, for ca. 3.2 or 4.0mm ID tubings, flow rate: 20-500mL/min

   These cells are now sterilized:

  • OXFLOW: cell with integrated O2 sensor, sterilized using 25kGy beta-irradiation

  • OXFLOW-HS: cell with integrated O2 sensor, sterilized using 25kGy beta-irradiation, high speed

  • TROXFLOW: cell with integrated O2 sensor, sterilized using 25kGy beta-irradiation, trace range

Oxygen, Temperature and pH Sensor Vials

For measurements in closed containers. Fiber cables and adapters are required for complete setups.

  • OXVIAL4: 4ml vial with integrated oxygen sensor strip

  • OXVIAL20: 20ml vial with integrated oxygen sensor strip

  • TOVIAL20: 20 ml vial with integrated oxygen and temperature sensor strips

  • PHTOVIAL20-PK7: 20 ml vial with integrated oxygen, pH range 6.0-8.0 and temperature sensor strips

  • PHTOVIAL20-PK8: 20 ml vial with integrated oxygen, pH range 7.0-9.0 and temperature sensor strips

Oxygen Nanoprobes – OXNANO

Ideal for microfluidics, complex geometries and lab-on-a-chip applications. Autoclavable, real-time response.

  • Dispersible oxygen nanoprobes

  • Requires transparent windows for read-out

  • Autoclavable

  • Real-time response

  • Diameter of a single nanoprobe bead is 200 – 300nm

  • Requires an optical cable or rod for complete setup

Oxygen Sensor Starter Kits

An economical way to test out a few different sensors when you are unsure which one to pick.

Optical Oxygen Starter Kits

Limit one (1) kit per meter purchase.

  • OXKIT-CTL: Includes 1/2 OXFTC, OXSP5, SPFIB-BARE, 1/4 SPADBAS, 1/4 OXVIAL4, ADVIAL4

  • OXKIT-CTL-PIC: Includes 1/2 OXFTC, OXSP5, PICFIB2, ¼ SPADBAS, 1/4 OXVIAL4, ADVIAL4

  • OXKIT-FOP: Includes OXR50, OXF1100, OXROB10

  • OXKIT-FOP-OI: Includes OXR50-OI, OXF1100-OI, OXROB10

Oxygen Calibration Capsules

10 capsules per pack, each capsule results in 50mL buffer solution

  • OXCAL: Calibrations capsules for 50ml 0% O2 solution, for 0% calibration of optical O2 sensors

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