1. Automatic electrode status tracking calibration eliminates the problem of electrode drift. 2. Direct measurement of potassium, sodium chloride, calcium, lithium, pH, and anion gap concentrations in serum, plasma, whole blood, cerebrospinal fluid, and diluted urine. Transparent chamber for easier observation. 3. Sensor-based touchscreen design for more convenient operation. 4. Two-point dual-parameter calibration fluid correction for more accurate sample measurement. 5 Electromagnetic valve-controlled gas-liquid segmented flushing ensures thorough cleaning and prevents clogging. 6. Special quality control testing and QC statistical functions for easy use. . Low reagent consumption for lower testing costs. 8. Test items: K , Na , Cl-, Ca , nCa, Tca, Li, pH AG. 9. Measurement method: Direct method using ion-selective electrodes (ISE). 10. Sample types: Whole blood, plasma, serum, cerebroinal fluid, and diluted urine. 11. Sample volume: 150uL. 12. Sample introduction: Fully automatic sampling with a standard sampler, 25 sample positions for continuous use, and unlimited sample addition. 13. Flushing: Electromagnetic valve-controlled gas-liquid segmented rapid ensures thorough cleaning and prevents clogging. 14. Measurement time: No more than 1 minute (depending on the measurement equilibrium time, including aspiration, flushing and printing). 15. Calibration: Automatic electrode status tracking calibration eliminates the problem of electrode drift. 16. Quality control: Special quality control testing and QC functions for easy use. 17. Intelligent design: The instrument automatically completes calibration, sampling, measurement, flushing, display, and printing of reports. 18 Automatic flushing: Timed automatic cleaning with deproteinization fluid to remove protein adsorption in the tubing. 19. Display: Large screen sensor-based touchscreen design full Chinese display for more convenient operation and human-machine interaction. 20. Printer: Built-in high-speed, low-noise thermal printer. 21. Interface Standard RS232 interface for connection to workstations and central computers. 22. Environmental temperature: 5℃～40℃, relative humidity:85%. 23. Power requirements: 220V±22V, 50Hz±1Hz. 24. Continuous operation 24 hours with self-diagnosis function for immediate sample testing. 25. Single-point/double-point automatic correction and QC data processing capability