The new combined sensor vials integrate optical pH, oxygen and temperature sensors based on an innovative optical detection technology (REDFLASH). The ready assembled vials with integrated optical pH, oxygen and temperature sensor stripes enable multi-analyte contactless measurements in liquid or gaseous samples. Separately available adapter ring ADVIAL20T allow for easy fixation of optical fibres connecting the sensor vial to the new multi-analyte FireSting pro optical meter from PyroScience.

The elongated shape of the sensors allows simultaneous measurements at different heights within the vial by simply sliding the adapter rings up and down. The optical temperature sensor can be used for true temperature compensation of the integrated oxygen and pH sensors for high precision measurements. All sensor stripes are covered with an optical isolation protective layer to prevent interference with the measurement from e.g. external illumination or strong luminescent samples. The optical pH sensors are sensitive to a pH range of 2-3 pH units. Sensors are offered for two different ranges for pH measurements between pH 6.0 to 8.0 and pH 7.0 to 9.0.

Typical Applications

• Small-scale respirometry and metabolic rate measurements of e.g. cell cultures, eggs, larvae, small crustaceans, small fish, water-, plant-, algal-samples etc.
• Simultaneous oxygen measurements in a liquid phase and a gaseous headspace within the same vial (using 2 adapter rings)