Entering the following values in the AC6/AC7’s “SPECIFIC GRAVITY” menu option will adjust the displayed readings for various water/glycol mixtures.

 

Temperature % Glycol additive
Deg C 0 10 20 30 40 50 60 70 80 90 100
80 0.991 1.003 1.017 1.026 1.036 1.046 1.054 1.062 1.068
70 0.990 1.000 1.010 1.023 1.034 1.042 1.053 1.062 1.069 1.075
60 0.995 1.007 1.017 1.030 1.041 1.050 1.060 1.070 1.076 1.083
50 1.000 1.013 1.023 1.035 1.048 1.057 1.067 1.077 1.084 1.090
40 0.990 1.004 1.018 1.029 1.042 1.054 1.064 1.074 1.085 1.091 1.098
30 0.996 1.007 1.022 1.034 1.047 1.059 1.070 1.080 1.092 1.099 1.105
20 0.999 1.010 1.026 1.038 1.052 1.065 1.076 1.088 1.099 1.106 1.114
10 1.000 1.013 1.028 1.042 1.056 1.070 1.082 1.094 1.105 1.113 1.120
0 1.000 1.015 1.029 1.045 1.061 1.075 1.088 1.100 1.112 1.120 1.128
-10 1.048 1.065 1.079 1.092 1.107 1.118 1.127 1.135
-20 1.068 1.083 1.097 1.113 1.124 1.133 1.136
-30 1.087 1.100 1.118 1.128 1.137 1.137
-40 1.102 1.122 1.133 1.138 1.138