W100 series is a range of weight indicator from Laumas encased in a DIN case with a dimension of 48 x 69 x 130 mm. It has a six-digit red LED display which shows the measured values at a 14 mm height. It also has RS232 and RS485 ports that may come in Modbus RTU/Laumas ASCII protocol. Furthermore, the device has 3 logic inputs, 5 relay outputs, and an IP54 protection degree on its front panel. It is also integrated with a four key membrane keyboards and a real time clock and calendar.