Safety in the workplace: continuous heat stress monitoring is the keystone

Safety in the workplace: continuous heat stress monitoring is the keystone

The well-being and safety of workers are essential for any company, especially in industrial environments where thermal conditions can be extreme. Prolonged exposure to heat can cause heat stress, compromising employee health and productivity. To face this challenge, an important mechanical company in central Italy has adopted a real-time heat stress monitoring system supplied by LSI LASTEM for several years.

The technicians guarantee the efficiency of the system

To ensure the correct operation of the microclimatic monitoring system, periodic maintenance interventions are foreseen by specialized LSI LASTEM technicians. These preventive actions involve a series of activities, including the verification of correct communication between the microclimatic control units and the servers, i.e. that there is good data transmission.

The thermal monitoring system installed in the workshop makes use of microclimatic stations equipped with LSI LASTEM sensors. The technicians, during the periodic maintenance operations, compare the measurements with the certified instrumentation. The measured parameters are:

  • Air temperature;
  • Relative humidity;
  • Humid temperature;
  • Globe temperature;
  • Air speed;
  • Turbulence.

Thanks to a data logger connected to reference sensors, technicians can compare the measurements and verify that they fall within the acceptable ranges. For example, a thermo-hygrometer that measures the air temperature must guarantee accuracy within the limit of ±0.5° compared to the reference instrumentation.

Monitoring thermal stress for workers’ health

The mechanical company in question has eight fixed microclimatic stations that are used to monitor the level of heat stress during the hot periods, which tend to go from May to October.

The microclimatic control units have been installed to evaluate the thermo-hygrometric conditions, the air exchange and the air speed inside industrial environments, workshops and assembly production departments. These places, especially when operators work with machinery, are subject to an increase in temperature, both of the air and of the radiant temperature generated by the machinery.

These microclimatic stations carry out continuous measurements of the fundamental environmental parameters, provide instantaneous results and calculate the WBGT (Wet Bulb Globe Temperature) index. This is one of the main indicators used to evaluate heat stress and provides indications on the thermal state of the environment. The ISO7243 standard establishes quantitative limits not to be exceeded in order to preserve workers’ safety and prevent potential dangers.

Objective: to ensure optimal working conditions

The main objective of real-time heat monitoring is to ensure that workers can perform their duties efficiently and safely, minimizing the risk of heat stress and heat-related health problems. The microclimatic control units provide an objective, professional and legally compliant view of the thermo-hygrometric conditions within the workplace, allowing the workshop in question to make decisions based on reliable data.

Monitoring systems suitable for large industrial plants

LSI LASTEM offers thermal monitoring solutions suitable for large industrial plants where it is necessary to permanently monitor the thermal stress conditions of numerous stations. Thanks to the collaboration with highly specialized LSI LASTEM technicians, the mechanical company in central Italy can count on a reliable and accurate real-time monitoring system for the health of its workers.

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