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Met One Instruments - Two channel particle counter - GT-521S
  • Big Performance, Small Size

    The GT‐521S is a full‐featured, battery‐operated, portable particle counter that provides the functionality of a bench unit with the convenience of a handheld. This powerful device supports cumulative or differential counts, standard concentrations, total counts and count alarms.
  • Rugged metal construction

    The aluminum enclosure provides protection from bumpsand scrapes that can damage plastic instruments. A ruggedcarrying case is also provided.
  • Data Storage

    Store up to 8,000 sample events. Sample history can be viewed on the local display or download to a computer using Comet software.
  • Battery Powered

    24 hours of typical (intermtient) operation or 10 hours of continuous opertion from a single charge. Rechargetime is approximately 2.5 hours.
  • Temperature / Relative Humidity Option

    A plug‐and‐play option that immediately addsambient temperature and relative humidity data.
  • User Selectable Particle Sizes

    Two programmable count channels with 0.3 to 10 micron size ranges.
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Met One InstrumentsMet One Instruments Inc. is one of the leaders in research, development and manufacture of meteorological instruments, particulate monitors, data loggers and environmental software. One of the oldest instrument manufacturer's in the United States, MOI continues to provide the leading edge in instrumentation, data logging, environmental software and monitoring systems worldwide. The company began business in 1976 as Met One, Inc. The first of several high quality "Met Set" meteorological monitoring systems and a line of clean room monitoring instruments were introduced. Growth was brisk and the company quickly outgrew the facilities. In 1989 Met One Instruments, Inc. was formed to focus on the growing environmental market and the entire meteorological product line was transferred at that time. The company has grown through careful planning, dedication to customer service and the ability to design and manufacture quality products. Additional growth has come about with company acquisition and joint venture partnerships