METTLER TOLEDO Garvens have created a leading-edge checkweighing, print and verification solution for use on a brand new product packaging line at AstraZeneca’s 100-acre site in Cheshire, UK.
Already the preferred checkweighing technologies supplier of AstraZeneca in UK, with some 15 Garvens pharma checkweighers installed, METTLER TOLEDO UK was approached by AstraZeneca earlier this year to develop a Garvens checkweighing solution that would scan, batch/date print and checkweigh ‘prescription-sized’ packages of their migraine medicine.
Highest levels of accuracy
Concerned that traditional Optical Character Recognition (OCR) scan technology would prove too sensitive and, therefore, potentially deliver false readings – and aware that a ‘blob detection’ type density solution would not provide the necessary capability to read vital carton data such as batch number and expiry dates from the original packaging - AstraZeneca required a solution that would ensure the highest levels of scanning accuracy, cost-effective print capability and a checkweighing tolerance of +/- 200mg; a level sufficient to define whether the correct dosage instructions were contained within the packaging.
Integrated solution
In creating their solution for AstraZeneca, the METTLER TOLEDO Garvens product development team devised a ‘top and bottom feed system’ that embraced the capabilities of their highly proven Garvens S2 Pharma checkweigher and integrated a SICK Pattern Matching Sensor - chosen for its ability to recognise the given number of pixels in a specified print area - and a Wolke printer, chosen for its print capabilities and cost-effective replacement print heads.
Highest levels of accuracy
Concerned that traditional Optical Character Recognition (OCR) scan technology would prove too sensitive and, therefore, potentially deliver false readings – and aware that a ‘blob detection’ type density solution would not provide the necessary capability to read vital carton data such as batch number and expiry dates from the original packaging - AstraZeneca required a solution that would ensure the highest levels of scanning accuracy, cost-effective print capability and a checkweighing tolerance of +/- 200mg; a level sufficient to define whether the correct dosage instructions were contained within the packaging.
Integrated solution
In creating their solution for AstraZeneca, the METTLER TOLEDO Garvens product development team devised a ‘top and bottom feed system’ that embraced the capabilities of their highly proven Garvens S2 Pharma checkweigher and integrated a SICK Pattern Matching Sensor - chosen for its ability to recognise the given number of pixels in a specified print area - and a Wolke printer, chosen for its print capabilities and cost-effective replacement print heads.
About the Garvens S2 Pharma checkweigher
Specially developed for the pharmaceutical environment – and the result of ongoing development in dynamic weighing technology - the Garvens S2 pharma checkweigher features an easy-to-use touch screen, on-screen operator prompts, digital load cell for improved accuracy and throughput, direct drive motor system, for reduced loadcell noise & improved accuracy, and the advantage of a modular design which allows specific solutions to be supplied from standard software and hardware modules.
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