Error indicating display unit for electric balances - is secured against functional errors and provides liquid crystal display of operational state by quasi-analogues

摘要

The ancillary equipment is for electrically operated balances, with test values displayed and additional control elements and display symbols for the operational state are provided on the display panel. Digits (4) of the test value and unit symbols (6, 7) display symbols (8-11) for operational states, and operations of control elements (19-23) the general quasi-analogue display (14) and tape display (17) are provided on one single panel (3), and digits (4) to be displayed free from operational errors and/or symbols ERROR (12, 13) consist of two digit or symbol parts, separately controlled through two different electric circuits.