In order to understand the environmental conditions and the accuracy of measuring instruments in the laboratory of traceability and dissemination of the torque wrench value of quantity,investigate the technical level of personnel,torque wrench measurement comparison activities is carried out.The technical scheme for torque wrench comparison is introduced,the comparison results are compared and analyzed,and problems in the measurement and verification work of torque wrenches are discovered.In response to the problems in torque wrench measurement com-parison,corresponding improvement measures are proposed to improve the detection level and ensure the accuracy and consistency of measurement value transmission work.
Torquemeter WrenchMeasurement ComparisonUncertainty EvaluationAnalysis of Comparison Re-sultsExisting ProblemImprovement Measure