Electronic readouts for pressure, flow, volume, temperature and level gauging. To program the device a password must be entered. Data are displayed on a 4-digit dispaly; easy setting by using the front panel keys. Some models are available with automatic programming of the sequence of operations. It is possible to programm up to 4 alarms, fix the beginning angìd the full scale values, set the engineering units, the decimal points and the peak value. Bargraph indicators and low-cost series available.