Computer control ring stiffness testing machine is mainly used to make a variety of pipe ring stiffness, ring softness and flat test, according to the special needs of the user can also increase tension, compression, bending and other functional testing, is a multi-function electronic universal testing machine . Product Features 1. For the inside diameter of the pipe plus irregular wall thickness measuring device for measuring deformation of the inner diameter of the deformation, high accuracy, accurate and reliable control. 2. The computer-controlled chip technology has advanced, professionally designed amplification system of data acquisition and control software, control software can automatically strike according to the standard ring stiffness, ring softness and other experimental data. Technical Specifications Model HGW-20 HGW-50 HGW-100 maximum test force (KN) 20 50 100 Overload over full range of 2% -5% of portal frame structure type structure compression space (mm) 0-800 (can be customized ) effective test width 400 (mm) 450 (mm) Test force measurement range full scale 2% ~ 100% FS Test force measurement accuracy of better than ± 1% of indicated value ± 1% deformation measurement accuracy of better than deformation measurement range of 2% to 100% of full scale of the internal forces extensometer constant control 0.05% ~ 100% FS constant force control accuracy of better than ± 1% set point displacement constant control range 0.05 ~ 500mm / min 0.05 ~ 200mm / min displacement measurement resolution of 0.005 constant displacement control accuracy of better than ± 1% set point control of deformation constant 0.05% ~ 100% FS deformation constant setpoint control accuracy is better than ± 1% PC configuration Lenovo brand computer , HP color inkjet printer supply 220V ± 10%, 50Hz power (W) 1000 1500 Weight (Kg) 450 550 configuration aids tension, compression aids set each other aids should be optional pressure testing machine Jinan testing machine Jinan Jinan Experimental Factory testing machine manufacturers bending test machine ring stiffness testing machine universal testing machine based panels concrete pressure testing machine