In the scientific article, the problem of instrumental and methodological support of works on a special assessment of working conditions is considered. The paper presents an approach to the selection of measuring equipment for the measurement of harmful production factors, which is based on the method of expert assessments. The results of studies of the application of the expert method for determining the possibility of using a group of instruments for the assessment of physical and chemical factors for conducting a special assessment of working conditions at workplaces of a machine building enterprise are presented. Recommendations are presented for equipping the laboratory with laboratories that carry out special assessment work in the conditions of machine building enterprises.

Keywords: labor protection, instrumentation, measuring equipment, special assessment of working conditions, method of expert evaluation