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GT-521 Handheld Particle Counter (2 Channels) 1
GT-521 Handheld Particle Counter (2 Channels) 1

GT-521 Handheld Particle Counter (2 Channels)

A full-featured, battery-operated, portable laser particle counter
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    The GT-521 Handheld Particle Counter is a full-featured, battery-operated, portable laser particle counter that provides the functionality of a bench unit with the convenience of a handheld! It can datalog particle counts continuously or send them to a network.
    Two programmable particle channels with a range of 0.3 - 5.0 microns each show differential or cumulative particle counts in real time, with selectable count units.

    Specifications of GT-521 Handheld Particle Counter
    Measurement Method: Scattered laser light
    Particle Size Range: Two channels - from 0.3 to 5.0 μm (selectable in 0.1 μm increments)
    Concentration Range: 0 – 3,000,000 particles per cubic foot (105,900 particle/L)
    Accuracy: ± 10% to calibration aerosol
    Sensitivity: 0.3 μm
    Flow Rate: 0.1 cfm (2.83 lpm)
    Sample Time: Adjustable: 6 to 999 seconds
    Hold Time: Adjustable: 1 to 999 seconds
    Light Source Laser diode, 35 mW, 780 nm
    Power 6V Ni-MH self-contained battery pack—provides 8 hours
    of typical intermittent operation, up to 5 hours continuous use
    AC Adapter/ Charger AC to DC module, 100 – 240 VAC to 9 VDC @ 350 mA typical
    Communications RS-232 or RS-485 Half Duplex
    Certifications Meets or exceeds CE, ISO, ASTM, and JIS international certifi cations
    Display 16-character × 4-line LCD
    Keyboard 7-key membrane type
    Size Height = 6.25” (15.9 cm) Width = 4.0” (10.2 cm)
    Thickness 2.1” (5.4 cm)
    Weight 1.94 lb - 31 oz (0.88 kg)
    Operating Temperature 0º C to +50º C
    Storage Temperature -20º C to +60º C

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