As the world leader in turbidity measurement technology. Hash company's newly developed 2200Q portable turbidimeter has a new breakthrough in the simplicity of use and the accuracy of measurement. For example, calibration and verification screen prompt function, single data transmission function, innovative RST measurement function, etc., provide you with stable and accurate measurement results.

The black smoke of motor vehicle exhaust is composed of 80% carbon black particles and about 20% aerosol particles, which can absorb part of the wave band under visible light conditions.

The CM-VOCs-5000 system consists of volatile organic compounds (methane/total hydrocarbon/non-methane total hydrocarbon) monitoring subsystem, data acquisition and processing subsystem, and volatile organic compounds sampling subsystem.

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