Technical Requirements:

1. Instrument Function: It can perform five-part differential analysis of blood cells and C-reactive protein (CRP) detection simultaneously with a single sample injection (a combined machine of a five-part differential hematology analyzer and an FR-CRP reaction device).

2. Detection Principle: Use multi-angle laser scattering method for the differential detection of white blood cells, and adopt the immunoturbidimetry method for the determination of C-reactive protein (CRP).

3. Measurement Parameters: It can provide ≥ 25 reportable parameters (excluding scatter plots, histograms, and research parameters), 2 three-dimensional scatter plots, 2 two-dimensional scatter plots, and 5 histograms.

4. The instrument has the function of reticulocyte detection and can provide ≥ 3 parameters (RETIC-ABS, RETIC, IRF).

5. Sampling Methods: Closed puncture sampling and open sampling.

6. Sampling Modes: It has independent detection modes for venous whole blood, peripheral capillary whole blood, and pre-diluted blood.

7. Detection Speed: The maximum detection speed in the whole blood mode is not less than 70 samples per hour.

8. Sample Volume: For whole blood: In the CRP mode, it is ≤ 25 μl; for a single venous whole blood test, the sample volume is ≤ 43 μl; for a single pre-diluted test, the sample volume is ≤ 20 μl.

9. Analysis Modes: Complete blood count + five-part differential; complete blood count + five-part differential + resistant red blood cells; complete blood count + five-part differential + CRP; complete blood cell count; CRP.

10. It has original factory-matched quality control materials and calibrators.

11. Reagent Storage: The instrument has a built-in refrigeration function for storing CRP test reagents, and there is no need for a refrigerator for storage.

12. Data Storage: ≥ 1,000,000 copies, with the functions of incremental data backup and data migration.

13. Linear Range: WBC: 0.00×10⁹/L ～ 400.00×10⁹/L, RBC: 0.00×10¹²/L ～ 8.00×10¹²/L, HGB: 0 g/L ～ 300 g/L, PLT: 0×10⁹/L ～ 5000×10⁹/L, FR-CRP: 0.20 mg/L ～ 320.00 mg/L.

14. Repeatability Error: WBC ≤ 2.0%, RBC ≤ 1.5%, HGB ≤ 1.5%, PLT ≤ 5.0%, MCV ≤ 1.0%, HCT ≤ 3.0%, FR-CRP ≤ 4.0%.

15. Carryover Contamination Rate: WBC ≤ 0.5%, RBC ≤ 0.5%, HGB ≤ 1%, PLT ≤ 1.0%, FR-CRP ≤ 1%.

16. Maintenance: It has the functions of automatic cleaning of the sampling needle, regular cleaning of the liquid path, and automatic cleaning during startup and shutdown; it has the functions of blockage removal such as high-pressure burning, positive and negative pressure backflushing, soaking, and intelligent backflushing.

17. Calibration and Quality Control: It has automatic calibration modes such as calibrator calibration and fresh blood calibration, as well as manual calibration modes; it has four quality control modes including L-J, X, X-R, and X-B, and the instrument automatically draws quality control charts according to the test values.

18. Unit Conversion: The display units of each parameter can be selected and set according to clinical needs.

19. Abnormality Prompt: It has the function of prompting resistant red blood cells and abnormal cell alarms.

20. Alarm Prompt: It has the functions of parameter abnormality alarm, reagent detection alarm, fault prompt alarm, automatic system diagnosis, and one-click elimination.