SpecificationDigital PartsDisplay2.0 inch(220×176 pixels)LanguageEnglish VersionOutputCable(Update version have WIFI,Bluetooth)Storage Capacity2000 pcs, 640 thousand dataTurn offAutomatic turn off without operationPower supply3.7V Lithium battery, 1050mAPortUSB(update type Bluetooth and WIFI.)Collection ModeAutomatic display and record daraSize(mm)150×62×39Weight(kg)0.1kg (including batterry)Schmidt HammerSrandard impact energy2.207JRigidity of tension spring7.85N/m TEM 91 is a device to measure the elastic properties or strength of concrete, mainly surface hardness. It automatically record rebound value, DM (Carbonation depth) input, and component strength calculate.(Update version have WIFI,Bluetooth)
