INTRODUCTION SU-300H manual ultrasonic hardness tester applies module design, which can work with manual probes HP-1K, HP-2K, HP-5K, HP-10K, can be used to test hardness of small forgings, cast material, weld inspection, heat affected zone, Ion-nitrided stamping dies and molds, forms, presses, thin walled parts, bearings, tooth flanks, etc. SU-300H can test hardness of ferrous metal, non ferrous metal and
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