Product Usage

It can be used for both the diffusion coefficient (conductivity, permeability test) of UHPC concrete and the national standard diffusion coefficient test of cement mortar using the NEL method, with multiple uses in one machine.

Execution standards

1. TCBMF37-2018: Basic Properties and Test Methods for Ultra High Performance Concrete;

2. "Test method for chloride ion diffusion coefficient of cement" JCT1086-2008;

3. GB-T 42272-2022, Test Method for Chloride Ion Diffusion Coefficient of Cement Mortar.

technical parameter

1. Can perform UHPC concrete diffusion coefficient (conductivity, permeability test) and cement mortar national standard diffusion coefficient test (NEL method), versatile for one machine;

2. Test channel: 1 channel;

3. Temperature accuracy: ≤ 0.1 ℃;

4. Input voltage: AC110V/AC220V two voltage inputs;

5. Output voltage: Diffusion coefficient 0-10V (adjustable);

6. Voltage accuracy: diffusion coefficient ≤ 0.02V;

7. Voltage resolution: 0.01V;

8. ※ Current accuracy: Adopting new digital balanced bridge technology, the current accuracy is ≤ 0.02mA;

9. Current resolution: diffusion coefficient 0.001mA;

10. Test current: diffusion coefficient 0-100mA;

11. Collection interval: can be set;

12. Control mode: Color touch screen;

13. Storage capacity: can be connected to external storage disks;

14. Number of single test records: greater than 10000 records;

15. Adopting a new type of testing fixture that is compatible with both square and circular specimens;

16. The sensor adopts a DB9 interface to avoid poor contact and facilitate insertion and removal;

17. Equipped with short circuit protection device, short circuit reminder and self recovery function;

18. ※ Equipped with power-off memory function, it can automatically perform previous tests after power recovery without manual intervention, and the automatic recovery time can be set;

19. Real time curve display during the experiment, and the results can be automatically calculated after the experiment is completed;

20. ※ Automatic storage of data results and support for USB export. With dedicated analysis software, experimental data, curves, results, etc. can be viewed on the PC end;

21. Equipped with a fully automatic vacuum water saturation machine along with the equipment

1、Vacuum chamber vacuum range: 0-900pa;

2、Sensor accuracy: 1pa;

3、※ Control method: LCD intelligent fully automated Chinese instrument control;

4、Long life stainless steel vacuum chamber;

5、※ Display the current device operating status in text on the screen from time to time;

6、External dimensions: 550 * 400mm * 750mm;

Net weight of the product: approximately 40Kg;

7、※ It has three functions of alarm: air leakage, water leakage, and end of test;

8、Free setting of vacuum saturation pressure, vacuum saturation and soaking time, as well as corresponding test pressure;

9、Users can activate the automatic drainage function within the software to achieve fully automatic completion of the experiment.