Hydrometer D3561 1.15-1.2 at 15.6°C, 1 degree divisions

50 DEGREE SERIES 230mm long with 1degree divisions.
•Specific Gravity Hydrometers by GH Zeal Ltd. Commercial Grade.
•These hydrometers are adjusted (calibrated) at a temperature of 15.6C
•They are also available adjusted to 20C or 28.9°C