click-typethe measuring element is only under load while force is being applied, no need for manual reset to zerorapid setting thanks to easy-action locking lever in the handleergonomically designed, non-slip adjuster with a thumb recessdual stop signaltwin scales N·m/ft·lboptimised convex handle for strain-free workingany force applied to the tool after the 'click' or applied in the opposite direction to the current function – e.g. forcible loosening of a jammed screw - does not act on the trigger mechanism and cannot cause damage to itall the sensitive components are protected by the sturdy tubular steel housingcalibration using perfectControl® calibrating unit No 7794 or calibration system No 7706. Readjustment does not require disassemblycertificate in accordance with DIN EN ISO 6789-2:2017display deviation value ± 4%