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Gas Analyzers
Qubit's S101 diffusion based oxygen sensor provides accurate meaurements of oxygen concentration from 0-100% O2 in the gas phase with a resolution of 0.01% (100 ppm). The sensor head is fitted with a threaded tip to allow easy attachment to closed containers if required.
Qubit's S102 flow through oxygen sensor provides accurate meaurements of oxygen concentration from 0-100% O2 in the gas phase with a resolution of 0.01% (100 ppm). The sensor head is fitted with a T-piece and nylon tubing to allow easy attachment to other instruments or tubing.
Qubit's S104 Differential O2 Analyzer is a unique instrument capable of measuring instantaneous gas phase O2 exchange from a variety of organisms/tissues. Use in combination with a CO2 analyzer for measurement of Photosynthetic Quotient (PQ), Respiratory Quotient (RQ) and reductant flux. Measure O2 with an accuracy of 1ppm against an atmospheric O2 background.
Qubit's S108 Absolute O2 Analyzer is the most flexible, accurate and affordable oxygen analyzer on the market. It uses a fuel cell sensor that operates at ambient temperature unlike power hungry zirconium sensors that require an on-board furnace. It has a resolution of greater than 0.01% O2 and corrects for changes in pressure.
Qubit's S121 flow through hydrogen Sensor is capable of measuring part-per-billion levels of H2 in a flowing gas stream. The Hydrogen Sensor may be used to monitor the H2 consumption of organisms that have the uptake hydrogenase enzyme or any other reaction that evolves or consumes gaseous H2.
Qubit's S151 IRGA has a resolution of 1 ppm carbon dioxide. It is ideal for measuring carbon dioxide exchange in plant tissues, small organisms and organisms that have low metabolic rates. Ranges may be switched between 0-500 ppm and 0-2000 ppm for a 0-5 V analog output. Output is linear across this range.
Qubit's S151 IRGA has a maximum range of 3% CO2 and a resolution of 0.01% CO2 (100 ppm). Ranges may be switched between 0-3% and 0-1.5% CO2 for an analog output of 0-5V.
Qubit's S153 IRGA has a maximum range of 10% CO2 and a resolution of 0.01% CO2 (100 ppm). Ranges may be switched between 0-5% and 0-10% CO2 for an analog output of 0-5 V.
This single channel non-dispersive Infrared CO2 Analyzer's 0 to 2000 ppm range and 1 ppm resolution make it ideal for carbon dioxide exchange measurements with leaves, insects, small animals or organisms with a low metabolic rate. It is also excellent for measuring soil respiratory activity in the lab and field.
Qubit Systems' S158 Carbon Dioxide Analyzer measures CO2 exchange in larger or more active animals and in situations where high CO2 fluxes may occur, such as fermentation processes. The S158 shares the same infrared technology and modular design as the S157 CO2 Analyzer. Output is linearized so that a simple two point (zero and span) calibration can be used.
