|  |  Designed for sugar application  Measure brown sample possible  Supply with suitable tubes | 
| Specification | IP-digi S1 | IP-digi S2 | 
| Measuring range | ±259°Z | ±259°Z | 
| Resolution | 0.003°Z | 0.003°Z | 
| Accuracy | 0.003°Z | 0.003°Z | 
| Reproducibility | ±0.01°Z | ±0.01°Z | 
| Temperature range | 0-100℃ | 0-100℃ | 
| Temperature resolution | 0.1℃ | 0.1℃ | 
| T. control model | ---- | Peltier | 
| T. control range | ---- | 10 - 50℃ | 
| T. control accuracy | ---- | ±0.2℃ | 
| Sensitivity | Min0.1% | Min0.1% | 
| Prism | polymer | polymer | 
| Light source | LED, 100000 hours | LED, 100000 hours | 
| Wavelength | 589nm | 589nm | 
| Measuring mode | Optical rotation, Specific rotation, Concentration, International sugar scale | Optical rotation, Specific rotation, Concentration, International sugar scale | 
| Sample chamber | Up to 200mm | Up to 200mm | 
| Interface | RS232, USB | RS232, USB | 
| Display | 8 inches touch screen, color LCD | 8 inches touch screen, color LCD | 
| Database | 4000 groups data | 4000 groups data |