A dial measuring torque screwdriver is designed for torque testing and torque verification. It is a versatile tool that is utilized for torque auditing and product evaluation. It can be used to monitor torque as it increases or decreases or display peak torque applied. The dial screwdriver is used in two common torque verification tests. One is the first movement test and the second is the loosening test. The screwdriver is standard instrument in engineer’s tool kit.
The preferred and certified ranges of these tools is in accordance with the requirements of ISO 6789 (+/- 6% of indicated reading).