LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1440 (Starting System & Charging System) >> Battery >> How to Handle Battery >> Specific Gravity Check >> Hydrometer Temperature Correction

Hydrometer Temperature Correction

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Checking Specific Gravity With Hydrometer
G02358993Courtesy of NISSAN MOTOR CO., U.S.A.
BATTERY ELECTROLYTE TEMPERATURE CHART

Battery electrolyte temperature °C (°F) Add to specific gravity reading
71 (160) 0.032
66 (150) 0.028
60 (140) 0.024
54 (130) 0.020
49 (120) 0.016
43 (110) 0.012
38 (100) 0.008
32 (90) 0.004
27 (80) 0
21 (70) -0.004
16 (60) -0.008
10 (50) -0.012
4 (40) -0.016
-1 (30) -0.020
-7 (20) -0.024
-12 (10) -0.028
-18 (0) -0.032
SPECIFIC GRAVITY CHART

Corrected specific gravity Approximate charge condition
1.260-1.280 Fully charged
1.230-1.250 3/4 charged
1.200-1.220 1/2 charged
1.170-1.190 1/4 charged
1.140-1.160 Almost discharged
1.110-1.130 Completely discharged