JH-320型碱骨料比长仪

The JH-320 alkali aggregate length change tester is used to measure the length change of cement mortar specimens, in order to identify whether the expansion caused by the reaction between alkali and active aggregates in cement has potential hazards. It has the characteristics of simple structure, convenient operation, accurate and fast measurement, and is one of the essential instruments for alkali aggregate reaction.

According to standard: SL352-2006 "Test Code for Hydraulic Concrete"

JGJ52-2006 Standard for Quality and Inspection Methods of Sand and Stone for Ordinary Concrete

Product parameters

Measurement range: 280-340mm

Measurement accuracy: 0.01 (dial gauge) or 0.001mm (dial gauge)