Automatic calculation of correlation coefficient (Don’t cover FP-I640)
Pre-selection of flame sizes
Flameout protection device
Measuring range changing
Multilingual user interface
Air compressor provide
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