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        Gri Instrument Gri Instrument
        Gri Instrument Gas detector Excellent Manufacturer

        GRI1800 tvoc online air quality monitoring equipment air oxygen meter ozone meter

        Main Feature1) GRI-1800-TVOC online gas detector Core processor uses advanced ARM Cortex M3 (32-bit), whichmake the processing performance more stable and efficient;2) Wide, large LCD display clarity (dot matrix LCD), tri-color backlit prompt different states;3) Four function keys, sensitive, fast (...