Versi Bahasa Inggris Unit dan Manual Bahasa Inggris, bukan Bahasa China Mendapatkan sertifikat kalibrasi - Dikirim dari Jakarta dengan kardus utk keamanan produk - Semua produk kami bergaransi Jakarta Alat ukur kekuatan mutu beton dan bangunan Concrete Hammer Test atau Schmidt Hammer Test adalah metode uji kekuatan atau mutu beton yang cepat dan praktis == - Compressive resistance: 10-60 MPa high elasticity, wear-resistant, precision spring. - High quality stainless steel body: no rust, high elasticity, wear resistance, long life. - The pointer of the sliding shaft is accurate and the friction is even, ensuring accurate measurement. - Spherical zero adjustment screw; high strength hook, long service life. - Guide rod maintenance cycle length; compression resistance: 10-60Mpa; kinetic energy rebound: 2.207J; applicable cement: C10 - C60 Features: Light saving (2/3 forces compared to the product counterpart), flexible, convenient, without electricity, easy to master, the button applies stretching techniques and it is not easy to fall, the pointer is easy to adjust friction is. therefore the first choice applicable for loco ndt. Technical data Parameters: Pointer length: 20.0 ± 0.2 (mm) pointer friction: 0.65 ± 0.15 (N) Semi-diameter sphere at the end of the vibration rod: 25 ± 1.0 (mm) spring tensioned vibration rigidity: 785.0 ± 40.0 (N / m) Hammer release vibration hook position: 254 cm #34;to the scale mark Spring tensioned vibration working length: 61.5.0 ± 0.3 (mm) Strike Hammer vibration length: 75 ± 0.3 Hop location of the hammer vibration: #34;in the graduated scale Fixed value of steel Anvil: 80 ± 2 (our products are checked between 80 - 81)