Rockwin microprocessor based readout units offer incorporate design of the flow indicator which has features ensuring reliable and accurate indication and control of flow. These indicators have some industrial applications such as; for various industrial applications. Series 7000 accepts input of 4-20 ma, 0-20 ma, 0-5 v, 0-10 v, 1-5 v or amplified frequency and extend facility for totalisation, instantaneous flow rate, hi-lo flow alarms, batching and blending. This indicators have some advantageous features which are as follows; it is user friendly with menu prompts for easy field programming in desired engineering units using front panel keypad. Square root extraction is also possible. Display of flow parameters in 6 digit led with memory backup. These are housed iin standard din 45 x 92 mm high impact abs plastic case, these indicators are housed.