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XI-921A | K+ / Na+ |
XI-921F | K+ / Na+ / Cl |
XI-921E | K+ / Na+ / Cl / Li+ |
XI-921B | K+ / Na+ / Cl / CO2 |
XI-921C | K+ / Na+ / Cl / Ca2+ / pH |
XI-921D | K+ / Na+ / Cl / Ca2+ / pH / CO2 |













Principle | Direct measurement by Ion Selective Electrode (ISE) |
Sample | Whole blood, serum, plasma, diluted urine |
Sample volume | 100~150µL |
Throughput | up to 60 samples/hour |
Data storage | up to 500 patient result |
Calibration | Automatic or On-demand |
Input | Touch-screen |
Display | Large LCD with backlight |
Output | Internal thermal recorder, RS-232 serial port |
Working Environment | Temperature: 10ºC~30ºC Relative humidity: |
Input voltage | AC 220V/110V ±10%, 50/60Hz |
Power consumption | 60W |
Dimensions | 440mm×380mm×350mm (H×W×D) |
Weight | Main unit –10kg |
Auto sampler (option) | 1.5kg |
Parameters | Measuring range | Reproducibility(CV%) |
K+ | 0.50~15.00 mmol/L | ≤1.0% |
Na+ | 30.0~200.0 mmol/L | ≤1.0% |
Cl- | 30.0~200.0 mmol/L | ≤1.5% |
Ca2+ | 0.10~5.00 mmol/L | ≤2.0% |
Li+ | 0.20~3.00 mmol/L | ≤3.0% |
pH | 4.00~9.00 | ≤1.0% |


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