Complaint
Basic Rapid Freeze Thaw Test Chamber
HNJ-DR-E
GBT 50082-2009, JTG_E30-2005, ASTM C666
The rapid freezing and thawing test equipment is suitable for measuring the frost resistance of concrete specimens under the conditions of water freezing and thawing. It is a common concrete durability testing equipment
-The test process is automatically controlled by the computer, with the functions of control parameter setting, display, test data recording, storage status indication, etc.
-The chiller water cooling unit was replaced with an air cooling unit. It conforms to the current trend of refrigeration equipment, and can avoid the threat of freezing damage of water cooling units.
-The freeze-thaw box is designed into an integrated structure. The structure is more compact and the reliability is higher. It is easy to handle and install, and is very suitable for the field laboratory with strong mobility.
-The technically mature semi closed refrigeration compressor refrigeration mode is adopted, featuring high thermal efficiency, less unit power consumption and wide temperature range
-Universal wheels are installed at the bottom of the test piece box and the unit for ease of movement. In addition, the test box and the unit can be integrated or installed separately. The refrigeration and heating unit can be installed outdoors, and the noise and heat can be put outdoors.
| Host size | 1540×1010×860mm |
| Weight | Approx. 500KG |
| Three phase four wire system of unit power supply | 380VAC, 50HZ |
| Maximum operating power of the unit | <9KW |
| Specimen size | 100×100×400mm |
| Freezing and thawing method | Water freezing and thawing method |
| Thickness of water layer around the test piece | 3mm |
| Freeze thaw cycle | 2-4 hours. The melting time shall not be less than 1/4 of the whole freezing and thawing cycle. |
| Number of test pieces | 10. One of them is a test block for central temperature measurement |
| The default temperature at the end of freezing and thawing is | -17 and+8 degrees. It can be adjusted through parameter setting, and the control accuracy is plus or minus 0.5 degrees |
| Freeze thaw circulating medium | -45 degree antifreeze |
| Filling volume | About 50KG |
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