HBM has introduced the DWS2103 digital scale display to facilitate the set-up of legal-for-trade scales to meet the new European Measuring Instruments Directive (MID) and Directive 2009/23/EC for non-automatic weighing machines.
The scale display works with analog and digital load cells such as FIT and C16I types. Analog load cells can also be connected via HBM’s AED digital transducer ensuring that automatic and non-automatic scales along with complete weighing systems can be easily realis
ed.
The new scale display is suitable for industrial applications where the control system is implemented via a PLC and standard field buses. Using HBM’s AED digital transducer electronics is ideal for upgrading these applications to a legal-for-trade solution easily and cost-effectively.
Data transmission in the DWS2103 scale display is implemented with the Advanced Encryption Standard (AES) process that works with a 256-bit key. This modern encryption algorithm meets the requirements of the WELMEC 7.2 guidelines. The possibility of data manipulation during transmission is thus prevented so that the legal-for-trade capability of a scale is always ensured.
The DWS2103 has been awarded several type approvals for various types of automatic and non-automatic scales by the PTB, one of the appointed approval bodies in Europe. The Physikalisch-Technische Bundesanstalt (PTB) is Germany’s national metrology institute providing scientific and technical services.
The 2004 European Measuring Instruments Directive (MID) has been included in national German law since 2007 through an amendment to the Weights and Measures Act. The requirements for weighing technology include, in particular, protection against manipulation in data transmission, for example from a digital load cell or scale to the display unit.
The DWS2103 scale display complements HBM’s modular system for legal-for-trade weighing systems. This offers the customer all products and systems, from OEM boards via digital load cells to complete weighing systems, including displays and interfaces, for integration within customer systems.
Main applications are filling, dosing, portion weighing, check weighing, mixing, process control and static weighing. Scales ranging from 0.5 g to 3,000 tonnes can easily be realized with HBM system solutions.
