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Excellent Technology Co.
Concrete Hammer
混凝土試驗槍 (俗稱石屎槍)
當測試混凝土強度，混凝土回彈儀采用了一定的彈性沖擊，錘沖擊力的混凝土表面，測試混凝土的強度。
由於結構簡單，廣泛應用於民用工程和建築測試混凝土強度的產業。 相對於其他non-destructive測試，測試錘是一個經濟實用無損檢測儀器。
L225 Concrete Hammer
Concrete Hardness Tester
When testing the strength of concrete, the concrete test hammer uses a certain elastic force to transit the impact force of an impact hammer to the surface of concrete, its initial kinetic energy redistributes, a part of energy in the form of plastic deformation or residual deformation is adsorbed by the concrete, and another part of energy which is proportional to the surface hardness is transmitted to the impact hammer, making the hammer resilience to certain height, then the strength of the concrete is derived from the proportional relation between the height of resilience and the concrete strength.
With the merits of simple structure, easy correction, maintenance and repair, and portability, the concrete test hammer is widely used in civil engineering and construction industry for testing the strength of concrete. Compared to other nondestructive testers, the concrete test hammer is an economical and practical nondestructive testing instrument.
L225 is used for testing the strength of various concrete members (slab, beam, column, truss) of normal building strength and bridge.
Nominal kinetic energy: 2.207J (0.225kgf.m)
Flip tension spring rigidity: 7.84N (0.80kgf) / cm
Punch advance for impact hammer: 75mm
Impact surface hardness value between impact hammer and rod: HRC59-63
Maximum breakout friction of pointer system: 0.49-0.78N (50-80g)
Mean value of steel-anvil rating of concrete test hammer: 80±2
Standards: ISO/DIS 8045, EN 12504-2, ENV 206, DIN1048 part 2, ASTM C805, ASTM D 5873, NFP 18-417, B15-225, JGJ/T 23-2001, JJG 817-1993
Dimension: 60x280mm
Net weight: 1kg
Standard package including: main unit, Grinding wheel, Conversion table, Operation manual and Carrying case.
Remark: the carrying case has been changed into a rigid plastic box.
鋼尺水位計 / 水位測量儀 / 30米 / Water Level Meter / 30M
Power Supply : 1 X 9V DC Battery
Sensor: stainless steel
minimum reading: 1mm / range: 0-30M
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香港葵涌圳邊街1號南華工業大廈5樓1室 (Unit 1, 5/F, South China Ind. Bldg., No. 1 Chun Pin Street, Kwai Chung, Hong Kong)
其他提貨點: 大角咀奧海城二期 (奧運站D出口), Olympian City, phase 2, Olympic station, Exit D
concrete hammer, 石屎槍, 石屎硬度計, 混凝土試驗槍 