... grade designed Used for measure flow control Universal Flow Control Meter KH101 used the advanced technology , Modular structure, high quality ... 10mARS485, RS232 communicationIsolated auxiliary power supply ,5VDC, 12VDC, 24VDC for sensor Alarm functionUp to 4 points outputs , Out1, Out2, Out3, ... , DCS configuration softwarePower85-240VAC , 24VDC option Universal Flow Control Meter