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1. Direct concentration display (Don’t cover FP-I640)
2. Automatic calculation of correlation coefficient (Don’t cover FP-I640)
3. Pre-selection of flame sizes
4. Flameout protection device
5. Measuring range changing
6. Concentration units selectable
7. Multilingual user interface
8. Air compressor provide
Operation mode - 7- inch color touch- screen
Display value - Concentration value
Response time - <8s
Sample uptake - <6ml/min
Stability - < 3% drift over15s when continuously aspirating.
Reproducibility -