Oxygen & Temperature Respiration Vial


  • 20 ml vial with integrated oxygen & temp sensor
  • Diameter / height: ca. 28 mm / ca. 61 mm
  • Measures oxygen gas (%oxygen) or dissolved oxygen (DO)
  • Measurement range temp 0°C - 50°C
  • True temperature compensation possible

Based on the contactless sensor technology, PyroScience offers ready assembled vials with integrated sensor stripes for all supported analytes. The glass respiration vials have screw caps with a septum, and are available with ca. 20mL (uncalibrated) volume. Adapter rings allow an easy fixation of optical fibers for read-out with optical meters from PyroScience for incubations in closed vials. The elongated shape of the sensor spots allows also measurements at different heights within the vial using several fibers/adapter rings in parallel.

Oxygen sensor stripe. This vial contains an oxygen sensor stripe.

Standard range. This sensor is specified for an optimum measuring range of 0 to 500 hPa oxygen (0 -250% air saturation). However, without specifications, it is possible to measure in up to 1 bar pure oxygen/100% oxygen saturation/100% oxygen. For detailed specifications, see the respective pdf file in the Downloads tab.

Temperature sensor stripe. This Vial contains an temperature sensor stripe for optimal temperature compensation.

Temperature range. This sensor is specified for the range of 0 to 50°C. Measurements at higher temperatures are possible, but the sensor specifications are not valid for temperatures out of this range.

Optical isolation. For applications at high ambient light (e.g. direct sunlight, illuminated samples) and in fluorescing / light-sensitive samples, an additional optical isolation (-OI) protection layer is added to the sensor surface to reduce enhanced sensor aging and to avoid interference with the oxygen measurements

Standard stock item. This item is typically in stock and small numbers can be shipped quickly. This does not apply for larger amounts, which ship with standard delivery time.

Applications. To get an overview of potential applications and to see our sensors in action, please visit our Applications site!

Price List

Please visit our accessories site for all available accessories for our contactless sensors.

Optical Fiber


  • For contactless sensor readout
  • Optical fiber core Ø = 1mm
  • Ca. 1m length
  • With ST-connector and bare fiber end
  • To measure through 0-2mm thick materials

0% O2 Calibration Capsules 


For recommended 0% O2 calibration of optical oxygen sensors. Each capsule results in 50mL calibration solution (PU=10).

Septa & lids for 20 ml sensor vials


  • Septa with lids (with and without hole)
  • For replacement in 20mL sensor vials from PyroScience
  • PU = 4 pieces

Every PyroScience oxygen meter with a ST-connector (lab devices) and optical temperature support is compatible to this sensor. Use this link to get a list of all compatible meters. Select additional requirements to find the optimal meter for you and your application!


Exemplary Setup


Choose the FireSting-O2 (2 chan.) with the oxygen & temperature vial TOVIAL20 and all necessary accessories.

  • Ready to go lab setup

Exemplary Setup


Choose the multi-analyte FireSting-PRO (4 chan.) with the oxygen & temperature vial TOVIAL20 and all necessary accessories.

  • 4 freely configurable optical channels

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