RangePSU0 to 50 ppt0 to 150 Specific Gravity (20/20)1.000 to 1.114 Temperature0 to 80°C (32 to 176°F)ResolutionPSU1 ppt1 Specific Gravity (20/20)0.001 Temperature0.1°C (0.1°F)Accuracy (@20°C)PSU±2 ppt±2 Specific Gravity (20/20)±0.002 Temperature±0.3 ...