Digital Controller Input: mA /mV/V or up to 4 loadcell Contact: ... ,Accuracy: 5 digits,0.1%, 6 digits,0.05%,Demical float setting.6,Communication:standard RS232/RS485 interface,MODBUS RTU protocol ... / Tacho / Batch / Length /Linespeed Meter Flow / Level /Pressure Controller Proximity/ Photoelectrical Switch Timer,Timer Relay Sensor Controller Signal adjustor They are widely used ...