Product Name: SYL-9 SYL-9 External Wall Thermal Insulation Impact Tester Product Manual: One, Overview: JGJ144-2004 "Technical Regulations for External Wall Insulation" A.5, B.3 According to the standard of the strip, the device can be used in both laboratory and field settings to test the impact resistance of external thermal insulation systems. Two, External Wall Thermal Insulation Impact Tester Instructions 1. When inspecting the wall on-site, place the ball stand at the edge of the wall and adjust the height so that the center of the sphere aligns with the impact point. 2. Hold the ball grab stand beside the wall, adjust the height of the ball catching device on the scale position of the hanging ball rack. The high distance ball impact center is 1.02 meters, while the low distance ball impact center is 0.61 meters. 3. The rotating ball catching device will suction the ball, move the ball catching frame, straighten the wire rope, rotate the ball catching device, and then release the ball to impact the wall. Power Inverter,Pure Sine Wave Inverter For Outdoor,300W Power Inverter,Mini Power Inverter GuangZhou HanFong New Energy Technology Co. , Ltd. , https://www.gzinverter.com