Concrete rapid freeze-thaw machine

This product is suitable for measuring the frost resistance of concrete specimens under water freezing and thawing conditions, expressed by the number of rapid freeze-thaw cycles or frost resistance durability coefficient. The product meets national standards such as GB/T 50082-2009 "Test Method for Long term Performance and Durability of Ordinary Concrete", JG/T 243-2009 "Concrete Frost Resistance Test Equipment", ASTM C666 "Standard Test Method for Rapid Freeze Thawing Capacity of Concrete", and DL T5150-2001 "Test Code for Hydraulic Concrete".

Concrete rapid freeze-thaw machineMain technical parameters:

Model TDR-28/16
Cooling method of condenser: air cooling
28/16 test pieces (optional for users)
Outdoor unit size: 1450 * 1100 * 1700/1100 * 450 * 1400
Indoor unit size: 1950 * 900 * 1250/1950 * 850 * 1300
The size of the test piece is 100 × 100 × 400, and the size of the temperature measuring piece is the same, with a temperature measuring hole left in the middle
The freeze-thaw cycle period is 2.5-4 hours, and the melting time is not less than 1/4 of the freeze-thaw cycle
Sensor 1: Center temperature control 5~-18 ± 2 ℃
Sensor 2: Liquid temperature control High temperature control: 18-23 ℃ Low temperature control: -23~-18 ℃
Sensor 3: Diagonal temperature control. The temperature range inside the diagonal temperature monitoring box should not exceed 2 ℃
Sensor 4: Secondary protection temperature control 50 ℃~-30 ℃
Temperature recorder digital display paperless recorder
Test piece bucket size 120 × 120 × 500
Freeze thaw cycle medium -45 ℃ antifreeze
The filling amount of freeze-thaw cycle medium is 10-15 millimeters higher than the liquid level of the test block
Power (28 pieces) 7kW (16 pieces) 6kW