Safety device for a technical installation or a technical process

A safety device having a processor for detecting and evaluating the degree of attention of an operator of a technical installation or a technical process, the safety device comprising:

• a first module configured to:
• record values of predefined physiological parameters of the operator and determine a first characteristic number from the recorded values;
• and
• compare the determined first characteristic number with a predefined first characteristic value and, if the first characteristic value is exceeded and/or undershot or if a predefined first range of characteristic values is left, activates a second module;
• and
• wherein the second module is configured to:
• record further values provided by a checking or triggering mechanism;
• determine a second characteristic number for the degree of attention of the operator from the recorded further values;
• compare the second characteristic number with at least one second predefined characteristic value and, if the second characteristic value is exceeded and/or undershot or if a predefined second range of characteristic values is left;
• and
• request an action from the operator, and if the operator does not respond to the request, triggers an activation module for taking countermeasures which increases the attention of the operator of the installation, the countermeasures including automatically informing a further person of the operator's failure to respond to the request.