Why is a tensiometer installed in a crane?

Why is a tensiometer installed in a crane?

Why is TENSION METER  necessary in crane?

A Tension Meter for Crane is a device used to measure tension in crane rope. Tension Meters commonly use a 3 roller system where the rope travels through the rollers causing deflection in the center roller that is connected to the Load Cell and Digital Indicator.A load cell is also installed in the tension meter which shows the weight of the crane.If tension meter is not installed in the crane, then the load of the crane will not be detected and due to the load of the crane, it may get damaged and even cause an accident.