Battery driven analyzer can be built with a sample pump, oxygen sensor, carbon-dioxide sensor, data logging, and an easy calibration procedure.
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The CheckPoint hand-held residual analyzer for oxygen and oxygen/carbon-dioxide testing of modified atmosphere packages from PBI-Dansensor (Ringsted, Denmark) is ergonomically designed to fit easily in the hand and is small enough to fit in a pocket.
Battery driven analyzer can be built with a sample pump, oxygen sensor, carbon-dioxide sensor, data logging, and an easy calibration procedure.