... scales: HL, HRC, HRB, HV, HB, HS RS232 Interface SV-T201 Ultrasonic Thickness Gauge Handy, precise, excellent EMC performanceInstrument ... features:Standard parameter setting and user parameter settingRS232 interface,supporting report printing via serial port Reliable measurement ... energy monitoring.Able to communicate with the PC via RS232 interface, and connect to the micro printer for report ...