Method and measuring apparatus for measuring a thread

A method for measuring a thread, comprising:

• moving a contactless distance sensor parallel to an axial direction of the thread;
• recording a measurement signal corresponding to a distance of the contactless distance sensor to a top of the thread;
• comparing the measurement signal with a reference value lying between a maximum value and a minimum value of the measurement signal;
• determining intersection points of the measurement signal with the reference value;
• combining a first two intersection points, directly following one another, into a first measurement value tuple;
• combining a second two intersection points, directly following one another and directly following the first two intersection points, into a second measurement value tuple;
• calculating a first mean value of the first measurement value tuple;
• calculating a second mean value of the second measurement value tuple;
• and
• calculating a time-angle resolution from the first mean value and the second mean value.