Yale MCW040-E

Figure 20. Checking Specific Gravity With Hydrometer
Table 3. Specific Gravity Corrections
Specific
Gravity
Reading
Electrolyte
Temperature
Correction
Points
Correct
Value
1.210 31 °C
(87 °F)
+0.003 1.213
1.210 27 °C
(80 °F)
+0.001 1.211
1.210 25 °C
(77 °F)
+0.000 1.210
1.210 18 °C
(64 °F)
−0.004 1.206
+0.001 or −0.001 for each −16 °C (3 °F) from the 25 °C
(77 °F) Base Value.
(°C + 17.8) (1.8) + °F.
Maintenance
75