The JJG 2026-1989 standard applies to the verification of Vickers hardness testers with a test force of 49.03980.7 N and a measurement range of 51,000 HV. The standard specifies the use of national benchmarks for Vickers Hardness Units (HV), the Measurement parameters of the benchmarks, and the procedures for transmitting the value of Vickers Hardness Units to work Measurement appliances through working benchmarks, and details the corresponding uncertainties and methods of verification.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | ICS | ||
| Release Date | 1989-09-11 00:00:00 | Implementation Date | 1990-07-01 00:00:00 |