Specification Brand : VTSYIQI BulletPoint1 : ★Concrete rebound test hammer Concrete Test Hammer generally applied to building components, bridges and all kinds of concrete components (panels, beams, columns, bridges) strength. BulletPoint2 : ★Concrete rebound hammer Center rod is made from imported material, high accuracy and durable resistance. BulletPoint3 : ★Concrete rebound hammer test The shell is made form high Aluminum in order to perfect protect instrument from damage and extend use life. BulletPoint4 : ★Concrete strength test hammer Pointer slider is outside structure, its friction can be balance well and easy to be adjusted so that we can make sure that the instrument is accurate. BulletPoint5 : ★Non destructive rebound hammer test Compared with other suppliers in the line of business, the product is more accuracy, good quality, and best price and longer use life. Color : Blue IncludedComponents : MAIN HOST ItemName : VTSYIQI Resiliometer Handheld Concrete Rebound Test with Test Range 10 to 60Mpa 2.207J Impact Energy 75mm Rebound Hammer Stroke GB/T9138 ASTM Standard ItemPackageDimensions_Height : 20 centimeters ItemPackageDimensions_Length : 30 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : hammer-holsters Manufacturer : VTSYIQI20241126113985411VTSYIQI Material : VTSYIQI20241126113985411VTSYIQI MeasurementAccuracy : HIGH ACCURACY ModelName : VTSYIQI20241126113985411VTSYIQI ModelNumber : VTSYIQI20241126113985411VTSYIQI NumberOfItems : 2 PartNumber : VTSYIQI20241126113985411VTSYIQI PowerSourceType : Battery Powered ProductDescription : Brief introduction: The test hammer submit to standard of GB/T9138-1988 and JJG817-93 and JGJ/T23-2011 and ASTM C 805. HT-225 concrete test hammer is applied to test the compressive strength of building concrete components, bridge and so on. Technical Specifications * Test range: 10~60Mpa * Standard impact energy: 2.207J(0.225Kgf.m) * Stroke of rebound hammer: 75mm * Friction of pointer slider: 0.5N~0.8N * Sphere radius of rebound pole SR: 25mm±1mm * Average rebound value on steel anvil Rm: 80±2 * Size: Φ54*278mm * Weight: ≈1KG