The Sartocheck 4 plus bag tester performs a pre-use test of the entire bioreactor, including tubing. This device is capable of detecting typical leaks that might have been caused by operator handling errors upon installation of a bioreactor. Therefore, the bag tester is ideal for eliminating the risk of filling a defective single-use bioreactor with expensive cell cultures. The reason is its unique, patented fleece, which is inserted between the plastic film of the Biostat CultiBag STR and the bag holding device of the tester. This fleece acts as a porous spacer, preventing direct contact between the bag and the smooth stainless steel surface of the holder. In addition, the fleece substantially reduces environmental heat transfer and, most importantly, eliminates the effects of masking of any potential pinholes. The high accuracy of the Sartocheck 4 plus bag tester in measuring the pressure drop, along with its patented fleece technology, provides unrivaled reliability and reproducibility.
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