美国Quest Technologies www.questtechnologies.com
美国Quest Technologies噪音计
Quest Technologies, a 3M company, is a world class manufacturer and leader in the field of occupational safety, industrial hygiene and environmental instrumentation. 

Quest has a reputation for rugged, reliable instrumentation and software systems that monitor and evaluate occupational and environmental health and safety hazards.  Our products are used in more than 80 countries worldwide in applications that include noise, vibration, heat stress, thermal comfort, indoor air quality and toxic/combustible gases. 

The Quest brand of instrumentation is used extensively in military, mining, research, enforcement, insurance, consulting, educational, manufacturing, pharmaceutical, petrochemical, and sports medicine markets.
 
Quest Technologies is “The System Solution” for monitoring and data analysis requirements.