Measures the scale as the standard hydrometer scale for petroleum products with a range of 9 to 21°.
Measures the scale as the standard hydrometer scale for petroleum products with a range of 9 to 21°.
The API ASTM scale hydrometer has a thermometer in SAFETYBLUE °F.
Features
| ASTM No. | 52H |
| Range | 9 to 21° |
| ASTM No. | 52H |
| Range | 9 to 21° |