Improved balance in nutrient metering

520 pumps improve accuracy in humd conditionsA major pharmaceutical company based in New Brunswick, NJ wanted to improve the performance of their system metering nutrient broth into a biological reactor. Watson-Marlow technical staff worked with them to solve this complex metering application.

The company was using Watson-Marlow 500 series pumps in this humid application and was pleased with their accuracy, but wanted to upgrade the capabilities by taking advantage of other control features the Watson-Marlow pumps offered to achieve even more accurate metering, automation and record keeping.

The proposed upgrade was to electrically interface the Watson-Marlow pumps with a scale, controller and computer along with two tanks, all mounted onto a cart near the reactor.

The improvements were a success - greater accuracy is achieved with the loss-in-weight method, and all relevant data is stored in the computer. But the most important benefit was the reliability of the system. Previously, personnel were required 24 hours a day to refill the tanks. Since they’re now replenished automatically, the system requires only periodic human supervision, and is less costly.

 

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