Apply ultrasonic contact impedance method to do comparative hardness measurement for testing pieces, with
advantages of high accuracy, efficiency, portable and easy operation. Can be used to measure hardness of small forgings, cast material, weld inspection, heat affected zone, stamping dies and molds, presses, thin walled parts, bearings, tooth flanks, etc
Specification
Range & Accuracy
HV: 50 to 999; HRC: 20 to 70; HB: 85 to 650, 80 to 976 HV & HV: ±3% HV; HRC: ±1.5 HRC; HB: ±3% HB