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4
4.3 Temperature Correction Factor
Tests have shown that the temperature effect is such that the embedment gauge reading goes
down (compression) as the temperature goes up and the required temperature correction factor is
plus six microstrains per °C.
So, for example, using the GK-502 (displaying mV/V) to take the readings, and a standard eight-
inch-long gauge, where C is given in inches/mV/V, the calculation for strain S, corrected for
temperature change (T
Where C is given in mm/mv/v the equivalent equation is
- T
) measured in degrees Centigrade, is:
1
0
S = (R
- R
) × C/8 + 6(T
1
0
Equation 2 - Stain Calculation with Temperature Correction
S = ((R
- R
) × C/203 + 6(T
1
0
- T
) microstrain
1
0
- T
) microstrain
1
0
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