"JB/T 9377-2010 Ultrasonic hardness gauge technical conditions" standard specifies the technical requirements of ultrasonic hardness gauge, inspection methods, signs, Encasement and accompanying technical documents, etc. The standard is applicable to the use of ultrasonic contact Impedance method to determine metal materials Brinell, Rockwell and Vickers Hardness equipment. The standard describes in detail the working requirements of the instrument under environment conditions, the accuracy of the test force, and the technical specifications of the indenter to ensure the accuracy and Reliability of ultrasonic hardness gauge in actual measurement.
| Status | Active |
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| CCS | ICS |
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