→Used in vertical expansion rate test of expansion mortar for grouting.
→Used in vertical expansion rate test for common water reducing agent, efficient water reducing agent, polycarboxylic high performance water-reducing agent, air entraining agent, air entraining and water reducing agent, early strength agent, retarder, pumping agent, anti-freezing agent, expanding agent, waterproof agent, anti-corrosion agent and other additives.
→GB 50119-2013 Code for utility technical of concrete admixture;
Features
→Designed with an emphasis on ergonomics, fit for man-machine-environment system, efficient, healthy, safe.
→It can complete automatic control of expansion rate, data acquisition, processing, storage and display.
→Embedded full digital, multi-channel, multi-function, easy-to-operate measurement and control system, which can automatically control watering time, watering quantity, collection of sample height, calculation of expansion rate.
→with reserved interface for database management.
→with safe protective device
→3 pcs. of molds are placed side by side, with size of 100mmx100mmx100mm
→3 pcs. of specimen are taken out and placed into steel measurement support, automatic centring, accurate, reliable, quick.
→with watering device for mortar sample from both sides, automatically controlled
→ring groove for the discharge of excess water
→10mm/0.001mm dial gauge is placed vertically and fixed by tighten screw
→140mmx80mmx5mm glass plate
→ø70mmx5mm/150g steel blocks
→It can record original reading within 30s and watering every other two hours for 4 times and then watering every other four hours until upto aging period and then measure the height of 3d, 7d sample.
→automatic acquisition of height of sample 1, 2, 3.
→automatic acquisition and calculation of expansion rate of mortar 1, 2, 3.
→automatic calculation of average expansion rate of 3 mortar