This standard specifies the classification and composition, technical requirements, test methods, inspection rules, marking and packaging of concrete penetration resistance testers (hereinafter referred to as penetration meters). This standard applies to the measuring instrument for the cement concrete mixture setting time test (T 0527-2005) in JTG E30-2005.
JT/T 756-2009 Referenced Document
GB/T 191 Packaging.Pictorial marking for handling of goods
JT/T 756-2009 history
2009JT/T 756-2009 Apparatus for time of setting of concrete mixture by penetration resistance