Illuminated Refractometer for Brix
| Model | Range | Min.Div. | Accuracy | Remark |
| GTIB-10 | Brix: 0-10％ | Brix: 0.1％ | Brix: ±0.10％ | Without ATC |
| GTIB-10ATC | Brix: 0-10％ | Brix: 0.1％ | Brix: ±0.10％ | ATC |
| GTIB-18 | Brix: 0-18％ | Brix: 0.1％ | Brix: ±0.10％ | Without ATC |
| GTIB-18ATC | Brix: 0-18％ | Brix: 0.1％ | Brix: ±0.10％ | With ATC |
| GTIB-32 | Brix: 0-32％ | Brix: 0.2％ | Brix: ±0.20％ | Without ATC |
| GTIB-32ATC | Brix: 0-32％ | Brix: 0.2％ | Brix: ±0.20％ | ATC |
| GTIB-5892 | Brix: 58-92％ | Brix: 0.2％ | Brix: ±0.2％ | Without ATC |
| GTIB-2862 | Brix: 28-62％ | Brix: 0.2％ | Brix: ±0.20％ | Without ATC |
| GTIB-2862ATC | Brix: 28-62％ | Brix: 0.2％ | Brix: ±0.20％ | ATC |
| GTIB-4582 | Brix: 45-82％ | Brix: 0.5％ | Brix: ±0.5％ | Without ATC |
| GTIB-4582ATC | Brix: 45-82％ | Brix: 0.5％ | Brix: ±0.5％ | ATC |
