| Thomas No. | Type | Ranges | Resolution | Accuracy |
| 1218M50 | Sucrose | 0 to 32% Brix | 0.2 | ±0.2% |
| 1218M51 | Sucrose (ATC) | 0 to 10%
(10 to 30°C) | 0.1 | ±0.1% |
| 1218M52 | Lubricants/
Cutting fluids (ATC) | 0 to 18% Brix
(10 to 30°C) | 0.2 | ±0.2% |
| 1218M53 | Sucrose | 0 to 10% Brix | 0.1 | ±0.1% |
| 1218M54 | Triple Range
General Service
| 0 to 41% Brix
42 to 71% Brix
72 to 90% Brix | 0.2
0.2
0.2 | ±0.2%
±0.2%
±0.2% |
| 1218M55 | Coolant (ATC) | -50 to 0°C Propylene Glycol freeze point
-50 to 0°C Ethylene Glycol freeze point
1.15 to 1.30 Specific Gravity
of Battery Acid | 1°C
1°C
0.01 | ±2%
±2% |