Product Application
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. "Test Methods for Long-Term Performance and Durability of Ordinary Concrete"GB/T 50082-2009;
2. "Concrete Freeze-Thaw Test Equipment"JG/T 243-2009;
3. "Technical Specification for Application of High-Performance Concrete"CECS207:2006.
Technical Parameters
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: Touch-screen industrial control, with Chinese(English) menu prompts;
6. ※After unexpected power failure, three startup options available: cold start, hot start, and stop;
7. ※Program editing: Up to120 programmable groups, each group with a maximum of100 segments. Programs can be set to jump, loop, etc., with a maximum single loop setting of9999 cycles;
8. ※Uses dynamic heating method, avoiding local high temperatures;
9. Dimensions:1990×960×1150mm;
10. Maximum operating power:6.0KW;
11. Solution temperature in specimen box:-20℃～20℃;
12. Test cycle: ≤12 hours/per cycle;
13. Immersion solution: Water orNaCl solution;
14. Temperature difference in freeze-thaw chamber not exceeding1℃;
15. ※Chamber material: Entirely made of stainless steel;
16. Detection device can automatically display detailed faults and alarms.
Matching Ultrasonic Instrument
1. Powered by both AC and DC, with DC power allowing continuous operation for8～10 hours;
2. Sound time measurement accuracy: ±0.05μs;
3. Sampling period: Options of0.05μs,0.1μs,0.2μs,0.4μs,0.8μs,1.6μs,3.2μs,6.4μs;
4. Amplitude measurement range:0～177dB;
5. Screen refresh rate:30 frames per second.
