Digital Concrete Rebound Hammer Concrete Hammer Test with Tension Spring Stiffness 785 N/m Stroke of Impact Hammer 75 mm Automatic Recording Function

IntroductionDigital Test Hammers for the quick and easy determination of the strength of concrete, and hardness of construction materials. Digital functions allow faster and greater number of test, leading to better quality tests. It’s a good and useful instrument for quality control and inspection organizations.Submit to Technical Specification of Inspecting Concrete Compressive Strength by Rebound Method > (JGJ/T23-2011). And ASTM C805, EN 12504Technical SpecificationsStandard impact energy: 2.207JTension spring stiffness: 785 N/mStroke of impact hammer: 75 mmTest value when calibrated on test anvil (qualified anvil like type JW225): 80 ± 2Bounds on error: ≤± 0.5 (the differences between displayer and rider)Display screen: 128 x 64 resolution, 3 levels of backlighting adjustable.Data storage capacity: 200 standard components (50 testing areas per component)Power consumption: The biggest backlight≈200mASleeping current: 0.8mACommunication port with PC: USB2.0N.W: ≈1.1 KgStandard Accessories: test hammer,USB communication cable, Manual, Software disc, Carrying case,Charger 5v 1AFeatures* Integrated structure of the test hammer host and the displayer part. Easy to carry and make work efficient.* Automatic recording function improves the efficiency of measurement.* The instrument is powered by a built-in rechargeable lithium battery, which can operate continuously for more than 10 hours* Testing parameters can be typed in test site.* Adopting USB interface, as U flash disk, no need special driver.* Have real-time clock calendar function, can automatically record test date

• Standard impact energy: 2.207J; Tension spring stiffness: 785 N/m; Stroke of impact hammer: 75 mm; Advanced low power consumption function, can set display backlight level, auto dormancy, and automatic turn off.
• Display screen: 128 x 64 resolution, 3 levels of backlighting adjustable; Test value when calibrated on test anvil (qualified anvil like type JW225): 80 ± 2; Bounds on error: ≤± 0.5 (the differences between displayer and rider);
• Adopting non-contact reflection grating sensor, maximum avoid machine attrition and poor contact in traditional technologies such as contact way or potentiometer way, high precision, long service life, and the traditional pointer scale is kept.
• Large storage capacity, more than 200 standard components, a standard component including almost 50 test areas, one test areas including 16 test pointes, completely meet the request of long time in site test.
• Digital Concrete Hammer is a high-tech product, especially designed for the needs of in place test for concrete compressive strength, applied to non-destructive test (NDT) hardened concrete compressive strength component in construct projects.