Aviation Fuel Standardized Hydrometers ISO 649SP-NF B35511SP-BS718SP-DIN12791SP The scale of these hydrometers is fully marked with all the reference norms, the calibration temperature, the surface tension, the individual number, the serial number and the ALLA FRANCE logo.
With a benchmark engraved on the stem to show any displacement of the scale. Complete with a Certificate of Conformity Supplied in individual plastic box.
| Item Code | Standard | Range | Division | Accuracy | Length | Tp. |
| 3508LC077/15/B-qp | ASTM 321H | 775-825  kg/m3 | 0.5 | ± 0.5 | 335mm | 15°C |
| 3508MC077/15/B-qp | BS718SP | 775-825 g/ml | 0.001 | ± 0.0006 | 270mm | 15°C |
| 3508MC077/20/B-qp | BS718SP | 775-825 g/ml | 0.001 | ± 0.0006 | 270mm | 20°C |
