China Concrete unilateral freeze-thaw testing machine HDD type

Product Usage

Used to test the frost resistance of concrete subjected to freeze-thaw cycles in atmospheric environments and in contact with salt or other corrosive media.

Execution standards

1. GB/T 50082-2009 Test Methods for Long term Performance and Durability of Ordinary Concrete;

2. Concrete Frost Resistance Test Equipment JG/T 243-2009;

3. Technical Specification for Application of High Performance Concrete (CECS207:2006).

technical parameter

1. Temperature measurement range: -20~99 ℃;

2. ※ Temperature accuracy: 0.1 ℃, resolution: 0.01 ℃;

3. Temperature linearity: 1 ℃;

4. Power supply: 380V voltage stability: ≤ 0.5%;

5. ※ System control: No system industrial touch screen, Chinese (English) menu prompts;

6. ※ There are three options for starting after an unexpected power outage: cold start, hot start, and stop;

7. ※ Program Editing: 120 sets of programs can be programmed, with a maximum of 100 segments per set. Jumps, loops, and other settings can be freely set between programs, with a maximum of 9999 loops per set;

8. ※ Adopting dynamic heating method without generating local high temperature;

9. External dimensions: 1990× nine hundred and sixty × 1150mm;

10. Maximum operating power: 6.0KW;

11. The solution temperature inside the test piece box: -20 ℃~20 ℃;

12. Experimental cycle: ≤ 12 hours/cycle;

13. Soaking solution: water or NaCl solution;

14. The temperature difference inside the freeze-thaw box shall not exceed 1 ℃;

15. ※ Box material: The entire body is made of stainless steel material;

16. The detection device can automatically display and alarm detailed faults.

Supporting ultrasound instrument

1. There are two types of power supply: AC and DC, and the DC power supply can work continuously for 8-10 hours;

2. Sound time measurement accuracy: ± 0.05μ S;

3. Sampling period: 0.05μ s. 0.1μ s. 0.2μ s. 0.4μ s. 0.8μ s. 1.6μ s. 3.2μ s. 6.4μ S optional;

4. Range of amplitude measurement: 0-177dB;

5. Screen refresh rate: 30 frames per second.