Shenzhen HORB mobile phones
official website

Step one: Using a smart phone to install scanning code software, such as "wochacha", "Win on Quick Code” etc.
Step two: Open the scanning code software against the QR code, then you can get an interlinkage.
Step three: open the link, and then enter Weyes Mobile Phone Official Website.

Scanning the QR code, you can land the mobile phone website
Anti Static Products Company Scan Code

Home  >  Products  >  Instrument and Equipment Series  >  Particle Counter  >  GT-521 Handheld Particle Counter (2 Channels)

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

  • Specification/ Manual : GT-521 Handheld Particle Counter (2 Channels)
  • Item No :
  • Inquire Online



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


  • Submit

Chat Online

shelly  Lisa      rebecca    More >>