TEM 912 is a device to measure the elastic properties or strength of concrete, mainly surface hardness. TEM 912 digital test hammer automatically record, save, calculate and process data. It automatically record rebound value, DM (Carbonation depth) input, and component strength calculate. Specifications TEM-912 Digital Concrete Test Hammer Standard impact energy 2.207J Rigidity of tension spring 785.0±40.0(N/m) Pointer length: 20.0±0.2(mm) Pointer friction 0.65±0.15(N) Working length of bounce tension spring 61.5.0±0.3(mm) Spherical radius of the end of the bounce rod 25±1.0(mm) Impact Hammer Impact Length 75±0.3 Anvil rate setting 80±2(Our factory products are controlled between 80-81 Error range for digital displayer <=+-1(the difference between displayer and scale) Display 2.0inch (220×176 pixels ) Output Mode Cable (Update version have WIFI, Bluetooth) Storage Capacity 2000 pcs, 640 thousand data Turn off Automatic turn off without operation Power supply 3.7V Lithium battery, 1050 mA Port USB (update type Bluetooth and WIFI. ) Collection Mode Automatic display and record data Size(mm) 150×62×39 Weight(kg) 0.1kg(include battery) Color Yellow Rebound Hammer type Digital concrete test hammer Office : CV. MITRA LASER Jl.Inpres 18, Komplek Sabar Ganda No.11 Kel.Larangan Selatan, Kec. Larangan, Kota Tangerang 15154 Untuk info dan harga terbaik, silahkan hubungi : Roni Zayini Mobile : 081274087466 WA : 081274087466