Ultrasonic Hardness Tester With 20N Manual Probe
1.1 Preface. Thank you for purchasing ultrasonic hardness tester,the present execute standards DIN508; ASTM-A1038-2005;JB/T 9377-2010 and JJG-654-2013.It is a precision hardness-comparison instrument applied with ultrasonic contact impedance principle.To avoid any unnecessarydamage and loss,please read this Manual carefully before operation and keep it …
WhatsApp: +86 18221755073