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Penko Engineering has introduced of a range of versatile and economic high-speed touch-screen instruments for controlling a variety of weighing and dosing tasks.

Designed from the ground up using the latest touch-screen and digital-interface technologies, Flex is said to combine a standard core hardware format with extensive modularity to provide all the combinations of interface and connectivity required in weighing and dosing applications.

The design of the Flex software provides the opportunity to create a range of instrumentation using the common hardware core with programmed ‘personalities’ to provide dedicated controllers for specific tasks.

The five initial Flex personalities to be launched are the weighing indicator (Flex QMB), a check weigher (Flex CK), a loss-in-weight controller (Flex LIW), a belt weigher (Flex BW) and a filling controller (Flex Fill).

In the future, Penko intends to offer a custom programming service to create instruments and controllers tailored to a customer’s precise requirements – ready to work out of the box.

For users with programming experience, Penko will provide information for programmers to create their own Flex personalities to meet specific project requirements.

According to the company, Flex provides a standalone integrated solution; it is not necessary to select a PLC, add a display, input/output network boards, power supply, transducer conditioning and a PC, connect them all together and make them work.

Flex combines all these elements of a system into a single compact unit with connections for RS232/RS485, Ethernet, USB communication and Profibus, load-cell supplies with active sensing, e-marking, label printing and PC output.

With the launch of the Flex range, Penko has also unveiled G-Cal: its advanced patent-pending calibration system.

Normally, at least five standard weights are required when commissioning a silo weighing system, for instance.

With a Penko instrument equipped with G-Cal, the load-cell specifications and location coordinates are all that are needed to ensure optimum accuracy.

Internal look-up tables for load-cell data, plus Penko’s G-Cal technology, make all the corrections instantly.

Instruments traditionally relied on the mV specification from the load cells and this resulted in an accuracy of 1/1,000.

It is claimed that, with Penko’s G-Cal system, the accuracy is 1/6,000 (better than 0.017 per cent).

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