This category encompasses specialized equipment for measuring and monitoring environmental parameters such as air quality, water quality, noise, vibration, temperature, and humidity in manufacturing sites and factories. These instruments are used for compliance verification with occupational safety and health laws and environmental standards, workplace optimization, and environmental condition monitoring in quality control. The category handles measurement equipment specifically designed for environmental management in manufacturing, ranging from portable field measurement devices to continuous monitoring systems. Unlike general measuring instruments or analytical equipment, this equipment group is primarily intended for environmental regulatory compliance and workplace improvement.