The Japanese manufacture Optex was founded in 1979 and is now becoming a world-leading company In the area of security detectors with its unique Infrared detectlon technology.(security manufacturer,security,sensor,security sensor,outdoor,indoor,outdoor sensor,indoor sensor,detector)
To use OPTEX product at ease in China, OPTEX Turbidity Checker TSC-10 got the Pattern Approval Certificate of the measuring instruments of the People's Republic of China.