MBM-64/250 is intended to supply and read up to 250 m-bus slave devices. It can store and display additional data for each slave such as free text, user number, medium measured, etc. It has very big blue display with 4x20 characters. This allows easy readout from abuot 5m. User can program up to four tariffs in MBM-64/250 memory. MBM-64 can remember 12 history points, which are saved on every 1-th date of the month at 00:00h. In difference with MBM-10, here user can see on the display historic values, not only read them through RS-232 interface. All data in MBM-64 memory can read through serial RS-232 interface and Gineers software for remote reading. Additionally, MBET-2 or MBGP-1A converter can be added in the system for distant reading of MBM-64 readouts. All external connections are with plugs, box should not be open when installing. Mounted on horizontal (desk) or vertical (wall) surface.