Handheld particle counter [GT-321]

The handheld GT-321 is a portable particle counter that counts particles down to 0.3 microns—giving you portability and reliability at the lowest price in the industry.

Don’t let the size fool you—the GT-321 is completely self- contained with its own internal battery and sample pump, and is programmable, allowing you to choose your particle size of interest from five sizes: 0.3, 0.5, 1.0, 2.0, or 5.0 microns.

Unlike other counters that can take up to a minute to deliver results, the GT-321 starts delivering volumetric concentration results in about 6 seconds! This facilitates quick multi-site sampling, tracing particle sources and site particle trending.

 

Features

• Simple Operation
• Fast Sampling
• Battery or AC Powered
• Keypad Selectable Sizes

 

Specifications

Count Channels	1 (Selectable)
Particle Size Range	0.3, >0.5, >1.0, >2.0, and >5.0 μm (selectable)
Concentration Range	0–3,000,000 particles per cubic foot (105,900 particles/L)
Accuracy	± 10%, to calibration aerosol
Sensitivity	0.3 μm
Flow Rate	0.1 cfm (2.83 lpm)
Concentration Limit	3,000,000 / cf
Sample Time	1 minute total (first reading in 9 seconds, subsequently  every 6 seconds)
Data Memory	None
Light Source	Laser diode, 30 mW, 780 nm
Power	6V self-contained battery pack–provides 8 hours of typical intermittent operation, up to 5 hours continuous use
Recharge Time	15 hours
AC Adapter/Charger	AC to DC module, 100–240 VAC to 9 VDC @ 350 mA typical
Certifications	Meets or exceeds CE, ISO, ASTM, and JIS international certifications
Size	15.9 cm x 9.3 cm x 5.1 cm (H x W x D)
Weight	0.79 kg