UHPC/NEL Multi-functional Diffusion Coefficient Tester—RCL Type

Product Application

    It can be used for UHPC concrete diffusion coefficient (conductivity, permeability test) and also for cement mortar national standard diffusion coefficient test (NEL method), serving multiple purposes with one machine.

Execution Standards

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

2. "Test Method for Chloride Ion Diffusion Coefficient of Cement" JCT1086-2008;

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

Technical Parameters

1. Capable of performing UHPC concrete diffusion coefficient (conductivity, permeability test) and cement mortar national standard diffusion coefficient test (NEL method), multi-functional with one machine;

2. Test channels: 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: Using new digital balanced bridge technology, current accuracy ≤0.02mA;

9. Current resolution: Diffusion coefficient 0.001mA;

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

11. Acquisition interval: Adjustable;

12. Control method: Color touch screen;

13. Storage capacity: External storage disk supported;

14. Single test record count: More than 10,000 records;

15. Equipped with new test fixtures, compatible with both square and round specimens;

16. Sensors use DB9 type interface, avoiding poor contact and easy to plug and unplug;

17. Built-in short-circuit protection device, with short-circuit reminder and self-recovery function;

18. ※Equipped with power-off memory function, automatically resumes previous test after power recovery without manual intervention, auto-recovery time adjustable;

19. Real-time curve display during test, automatically calculates results after test;

20. ※Data results automatically stored, supports USB export, with dedicated analysis software to view test data, curves, results, etc., on PC;

21. Comes with a fully automatic vacuum saturation machine

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. ※Real-time text display of current equipment operation status on screen;

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

7. Net weight: approx. 40Kg;

8. ※Three-function alarm for air leakage, water leakage, and test end;

9. Freely settable vacuum saturation pressure, vacuum saturation and soaking time, and corresponding test pressure;

10. Users can enable automatic drainage function in the software to achieve fully automated test completion.