1.1 This standard specifies the quality inspection rules for electric and electronic products for communication, detection and control in coal mine (hereinafter referred to as "products").
1.2 This standard applies to:
a. Communication and signal systems and equipment in coal mine;
b. Monitoring, controlling and regulating systems, equipment and instruments for the infrastructure construction, production process and environment in coal mine;
c. Measure and control equipment and instruments for the electromechanical equipment in coal mine.
1 Subject Content and Application Scope
1.1 This standard specifies the quality inspection rules for electric and electronic products for communication, detection and control in coal mine (hereinafter referred to as "products").
1.2 This standard applies to:
a. Communication and signal systems and equipment in coal mine;
b. Monitoring, controlling and regulating systems, equipment and instruments for the infrastructure construction, production process and environment in coal mine;
c. Measure and control equipment and instruments for the electromechanical equipment in coal mine.
