Mettler Toledo Unveils High-Precision Weigh Module

Mettler Toledo has launched a high-precision weigh module, which is suitable for the fast and precise filling of pharmaceuticals and for the checkweighing of parts or quantities. The WMS is said to be simple to integrate in automated processes in laboratories and production environments. It is available in capacities up to 400g and features a readability of 0,0001g. The module is tailored to the needs of machine and equipment manufacturers to facilitate mechanical integration.

Its width of 59mm corresponds with the commonly used space for parallel arrays used in multi-line applications. The off-centre weighing platform offers the flexibility to install the weigh module alongside filling or other processing devices inside a machine. The weighing platform can be easily changed, according to the company; this enables fast changeover for different package formats in using weighing platforms with different adapters. A stainless-steel design, built-in overload protection and the internal calibration device result in the high-precision weighing performance of the WMS in an industrial environment.

An IP54-rated labyrinth protects the weigh module against dust and spilled liquids during normal operation. The IP66-rated wash-down option seals the weigh module during cleaning. The weighing platform can be removed for cleaning thanks to a simple locking device. The WMS is equipped with fast RS232 and RS422 interfaces. It has options to communicate with control systems via Profibus DP, Profinet IO, Ethernet IP and Devicenet. It offers digital inputs and outputs for direct connection to sensors and actuators.

The WMS weigh module can be combined with the Conblock adaptor, allowing it to be mounted on DIN- and G-Rails inside the control cabinet. It has individual contacts for connecting sensors, actuators and interfaces. Each digital input and output has a light-emitting diode to show its current status. Mettler Toledo claims that the Conblock adaptor provides fast and simple access for commissioning and service and that it makes electrical integration simple and economical.

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