... , higher reliability the replacement of sensor without re-calibrated Remote network management capabilities Digital sensors 20t, 30t, 50t measuring ... , anti-jamming Connect 1~ 16 digital sensor. Digital Sensor Interface: RS485 Interface DC 11.3V/360mA, Digital Sensor power supply: DC 11.3V/360mA ... , can be connected to 16 digital sensor Display mode: 7 VFD, 7-state indicator AC 220V ...