... : HL, HRC, HRB, HV, HB, HS RS232 Interface SV-T201 Ultrasonic Thickness Gauge Handy, precise, excellent EMC performanceInstrument features:Standard parameter ... correction and auto correcting system errors.Able to measure the ultrasonic velocity in turn if the thickness value is known in ... the measurement reports and so on SV-T201 High-precision ultrasonic thickness gauge