The Easy Read Measuring Device for Packed cell volume (PCV) tubes is intended for the determination of biomass in cell culture suspensions, expressed as packed cell volume The PCV tube & Its measuring device provides a fast, easy to use, reproducible and reliable alternative to manual cell counting During a cell based production process many parameters need to be optimized Many samples accumulate at the same time Here a quick analysis with the PCV tube and the read-out process with Easy Read Device is the method of the choice A short centrifugation step (1 minute at 2'500 gx) is sufficient to form a pellet in the calibrated capillary There the pellet can be read with the Easy Read Device measuring device Features of the "Easy Read Device" mesuring device are: Reading device with magnifying glas and cross line Optimal usage in combination with the PCV tube Reproducible cell pellet measuring possible Reusable product, no further investments necessary Measuring range 0 - 5 l Features of the PCV tube are: PCV tube with calibrated capillary some available with volume graduation Fits in micro-centrifuges Caps available as optional