{"product_id":"high-precision-cth-90-concrete-test-hammer-intelligent-rebound-tester-with-imported-springs-cnc-machined-movement","title":"High-Precision CTH-90 Concrete Test Hammer – Intelligent Rebound Tester with Imported Springs, CNC-Machined Movement","description":"\u003cp\u003eSuperior Fatigue Resistance \u0026amp; Lightweight Build\u003cbr\u003eThe High-Precision CTH-90 Concrete Test Hammer is engineered with imported high-quality springs that offer exceptional fatigue resistance, paired with an aluminum alloy spring seat snap ring assembly. This combination ensures consistent impact energy over tens of thousands of tests while significantly reducing overall weight for prolonged field operation.\u003c\/p\u003e\n\u003cp\u003eEnhanced Pointer Precision \u0026amp; Stability\u003cbr\u003eFeaturing an upgraded pointer design, the \u003ca href=\"https:\/\/store.smtoer.com\/collections\/concrete-test-hammer\"\u003e\u003cstrong\u003eHigh-Precision CTH-90 Concrete Test Hammer\u003c\/strong\u003e\u003c\/a\u003e allows for easy friction adjustment and delivers more stable, drift-free readings. This ensures that every rebound value you record is highly reliable for critical strength estimations.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0811\/2134\/5832\/files\/93High-Precision_CTH-90_Concrete_Test_Hammer.jpg?v=1787798107\" alt=\"High-Precision CTH-90 Concrete Test Hammer\"\u003e\u003c\/p\u003e\n\u003cp\u003eUnmatched Durability for Harsh Job Sites\u003cbr\u003eBuilt with a super hard 6061 aluminum alloy casing and a button reinforced through a special stretching process, the SMTOER CTH-90 Concrete Test Hammer offers excellent abrasion and impact resistance. This rugged construction ensures the button remains firmly attached and the housing withstands tough construction environments without deformation.\u003c\/p\u003e\n\u003cp\u003eCNC-Machined Movement for Guaranteed Accuracy\u003cbr\u003eThe internal movement of the SMTOER CTH-90 Concrete Test Hammer is meticulously refined using advanced CNC machining centers and other precision machine tools. This guarantees highly consistent and repeatable rebound values, ensuring your on-site assessments meet the strictest quality standards.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eHigh-Precision CTH-90 Concrete Test Hammer TECHNICAL PARAMETERS\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"1006\" height=\"250\" style=\"border-collapse: collapse; width: 503.02pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"473\" style=\"width: 236.50pt;\"\u003e \u003ccol width=\"533\" style=\"width: 266.75pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et2\" height=\"27\" width=\"473\" style=\"height: 13.90pt; width: 236.50pt;\"\u003eParameter\u003c\/td\u003e\n\u003ctd class=\"et3\" width=\"533\" style=\"width: 266.75pt;\"\u003eValue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eStandard impact energy\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e2.207 J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003ePointer length\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e20.0 ± 0.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eFriction of pointer\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e0.65±0.15 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eSpherical radius of bouncing rod\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e25 ±1.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eElastic tension spring stiffness\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e785.0 ±30.0 N\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eOperating length of elastic tension spring\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e61.5 ±0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eBounce hammer take-off position\u003c\/td\u003e\n\u003ctd class=\"et6\"\u003eScale “0~1”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\" style=\"height: 13.90pt;\"\u003e\n\u003ctd class=\"et4\" height=\"27\" style=\"height: 13.90pt;\"\u003eCalibration value on testing anvil\u003c\/td\u003e\n\u003ctd class=\"et5\"\u003e78-82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/store.smtoer.com\/collections\/concrete-test-hammer\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eSMTOER CTH-90 Concrete Test Hammer \u003c\/strong\u003e\u003c\/a\u003esuccessfully merges four critical advantages into one cost-effective package: imported spring longevity, pointer reading stability, 6061 aluminum abrasion resistance, and CNC-guaranteed precision. It directly addresses the common industry frustrations of data drift, fragile buttons, and heavy handling fatigue.\u003c\/p\u003e\n\u003cp\u003eBy choosing this model, your team gains a reliable, maintenance-friendly NDT tool that reduces rework risks and enhances daily inspection efficiency. \u003c\/p\u003e","brand":"SMTOER","offers":[{"title":"Default Title","offer_id":52285236412712,"sku":null,"price":90.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/2134\/5832\/files\/93High-Precision_CTH-90_Concrete_Test_Hammer.jpg?v=1787798107","url":"https:\/\/store.smtoer.com\/ja\/products\/high-precision-cth-90-concrete-test-hammer-intelligent-rebound-tester-with-imported-springs-cnc-machined-movement","provider":"Smtoer","version":"1.0","type":"link"}