Gas Sampling Pump Kit GV-50P-2S and Oxygen Detector Tube No.31E-2

The School Science Teaching Equipment Gas Sampling Pump Kit has been renewed. The new type Gas Sampling Pump Kit and Oxygen Detector Tube 31E-2 have been developed. The new Oxygen Detector Tube 31E-2 is smaller in size compared to the Oxygen Detector Tube 31E and easier to use.
School Laboratory Work experiments such as changes in balance between Oxygen and Carbon Dioxide caused by combustion, respiration and photosynthesis can be examined.

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