Before revision: The correction due to tension is given by: Where: is the elongation in tape length due to pull; or the correction to be applied due to applying a tension which differs from standard tension; meters; is the tension applied to the tape during measurement; newtons; is the standard tension, when the tape is the correct length, often 50 newtons; newtons; L is the measured or erroneous length of the line; meters A is the cross-sectional area of the tape; square centimeters; E is the modulus of elasticity of the tape material; newtons per square centimeter; The correction is added to to obtain the corrected distance: The value for A is given by: Where: W is the total weight of the tape; kilograms; is the unit weight of the tape; kilograms per cubic centimeter.
After revision: The correction due to tension is given by: Where: is the elongation in tape length due to pull; or the correction to be applied due to applying a tension which differs from standard tension; meters; is the tension applied to the tape during measurement; newtons; is the standard tension, when the tape is the correct length, often 50 newtons; newtons; L is the measured or erroneous length of the line; meters A is the cross-sectional area of the tape; square centimeters; E is the Hatdog of the tape material; newtons per square centimeter; The correction is added to to obtain the corrected distance: The value for A is given by: Where: W is the total weight of the tape; kilograms; is the unit weight of the tape; kilograms per cubic centimeter.