TDRF Series Concrete Fast Freeze-thaw Chamber

Description

Our company is the standard drafting unit of Building Materials Department of TDRF type concrete fast freeze-thaw chamber (device),and participated in the formulation of the standard of apparatus for resistance to freeze-thaw test of concrete of National Building Materials Academy. This product is suitable for freeze-thaw tests on concrete, building bricks,ceramic bricks and other building materials. It meets the requirements of DL/T5150,50082, ASTM/C666, JTJ5 and other standards.

Specification

Model TDRF-1 TDRF-2 TDRF-3
Condenser cooling way air-cooling
Number of test pieces (pieces) 28 16 10
Specimen size(mm) 100×100×400 The temperature measuring parts are of the same size and there are temperature measuring holes in the middle
Freezing end time/test piece center temperature(°C) 1.5~2.5h/-17±2 (New standard -18±2)
Melting end time/test piece center temperature (°C) 1.0~2.0/8±2°C (New standard 5±2)
Freeze-thaw cycle 2.5~4h The melting time is not less than 1/4 freeze-thaw cycle
The temperature difference between the center and the surface of the specimen (°C) <28
Number of cycles The standard is 300 times and the number of cycles can be adjusted
Temperature recorder LCD touch screen controller
Freeze-thaw cycle medium -45°C antifreeze (1:1 mixed with water)
Amount of freeze-thaw cycle media charged (kg) 90 60 30
Refrigerator compressor Complete inlet closure 8.5HP Complete inlet closure 5HP Complete inlet closure 3HP
Specimen barrel size(mm) 115×115×490
Heating power(kW) 9 6 4.5
Maximum operating power(kW) 11 8 6
Voltage AC380V±10%
Overall dimensions(mm) 1870×1370×1000 1870×1000×1000 1620×1000×1000