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(chǎn)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(yōu)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(guī)定的允許范圍內(nèi)(非校準)。因此,如果在使用基準件的檢查中發(fā)現(xiàn)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