Mẫu chuẩn độ cứng HRBS / HRBW dùng để kiểm tra dùng cho máy đo độ cứng thang đo rockwell HRB
Các tính năng và lợi ích của khối thử nghiệm Yamamoto:
– Khối thông thường, khối bề mặt và khối đặc biệt
– Độ chính xác cao, dung sai độ cứng chính xác
– Khối được chứng nhận có thể truy xuất nguồn gốc theo NIST
– Được hiệu chuẩn theo ASTM E18-00 phần C bằng vật liệu tham chiếu tiêu chuẩn NIST Rockwell HRC
We are pleased to announce that, on April 15, 2015, the Prize for Science and Technology (Technology Category) under the 2015 Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology was awarded to Takashi Yamamoto, Representative Director and President of Yamamoto Scientific Tool Laboratory Co., Ltd., for his achievements regarding the enhancement of the accuracy of standardized blocks for hardness and the development of the equivalent indentation depth hardness test.
Yamamoto Test Blocks Features and Benefits:
– Regular, Superficial and Special Blocks
– High precision, precision hardness tolerance
– Certified blocks traceable to NIST
– Calibrated in accordance with ASTM E18-00 section C using NIST Rockwell HRC standard reference material
Yamamoto Test Blocks HRBS/ HRBW series for check Rockwell level Hardness. ( HRB )
Pic.: Yamamoto Hardness test block HRB-S90 ( Hardness Value : 90/Tolarance: ±2) at Semiki’s warehouse
Pic.: Yamamoto Hardness test block HRBW series ( HRB-W72, HRB-W62, HRB-W90) at Semiki’s warehouse
Maintenance and calibration :
► We also have calibration certificate attached ( optional )
► Please re-calibrate after use for a certain period through our purchase store.
DISTRIBUTED BY:
Semiki instrumentation Co., Ltd
Email: sales@semiki.com
Office tel: +84 28 2253 3522
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