山本科學硬度標準片

山本科學硬度塊

日本山本科學社YAMAMOTO硬度塊

　　在所有硬度測試中，測量通過對樣品施加測試力（力）而產生的變形量（長度）。從這個意義上說，硬度的標準取決于力和長度和時間等直接精度。

　　硬度基準片是直接精度特別優異的試驗機，對硬度變化極小、硬度不隨時間變化的試片進行測試，并顯示硬度值。

　　用于對試驗機進行日常檢查（間接精度），確認試驗機是否在標準規定的允許范圍內（非校準）。因此，如果在使用基準件的檢查中發現任何異常，將由專家等進行直接的精度檢查和校準。

YAMAMOTOStandard Blocks for HardnessHRC-10

YAMAMOTO Standard Blocks for Hardness HRC-20

YAMAMOTO Standard Blocks for Hardness HRC-25

YAMAMOTO Standard Blocks for Hardness HRC-30

YAMAMOTO Standard Blocks for Hardness HRC-35

YAMAMOTO Standard Blocks for Hardness HRC-40

YAMAMOTO Standard Blocks for Hardness HRC-45

YAMAMOTO Standard Blocks for Hardness HRC-50

YAMAMOTO Standard Blocks for Hardness HRC-55

YAMAMOTO Standard Blocks for Hardness HRC-57

YAMAMOTO Standard Blocks for Hardness HRC-60

YAMAMOTO Standard Blocks for Hardness HRC-62

YAMAMOTO Standard Blocks for Hardness HRC-64

YAMAMOTO Standard Blocks for Hardness HRC-67

YAMAMOTO Standard Blocks for Hardness HRC-70

YAMAMOTO Standard Blocks for Hardness HRB-32

YAMAMOTO Standard Blocks for Hardness HRB-42

YAMAMOTO Standard Blocks for Hardness HRB-52

YAMAMOTO Standard Blocks for Hardness HRB-62

YAMAMOTO Standard Blocks for Hardness HRB-72

YAMAMOTO Standard Blocks for Hardness HRB-82

YAMAMOTO Standard Blocks for Hardness HRB-90

YAMAMOTO Standard Blocks for Hardness HRB-95

YAMAMOTO Standard Blocks for Hardness HRB-100