H-B DURAC 25/31 Degree API ASTM 26H Hydrometer (B61893-2700)
[Product Information]
- Range: 25 to 31°; accuracy: 0.1°API; temperature of standardization 60°F/60°F
- Length: 163mm (6.4 inches); ASTM number: 26H
- Features readings in 0.1 divisions and a metal ballast
