Met One GT-321 One Channel Particle Counter Overview Although small, the GT-321 Portable Particle Counter is completely self-contained with the battery pack providing up to 8 hours of typical intermittent and 5 hours of continuous operation. This portable particle counter also is high in functionality, allowing the user to choose particles sizes from five sizes: 0.3, 0.5, 1.0, 2.0, or 5.0 microns. Unlike other particle counters on the market that take up to a minute to deliver results, the GT-321 can provide concentration results in roughly 6 seconds!
Not only is the GT-321 small, it also provides simple operations with only two front-panel buttons and side mounted power switch. Met One GT-321 One Channel Particle Counter Specifications
| Operating Principle |
Counts individual particles using scattered laser light |
| Particle Size Range |
>0.3, >0.5, >1.0, >2.0, and >5.0 microns (selectable) |
| Concentration Range |
up to 3,000,000 particles per cubic foot (105,900 particles per liter) |
| Accuracy |
+ / - 10% to calibration aerosol |
| Sensitivity |
0.3 microns |
| Flow Rate |
0.1 cfm (2.83 lplm) |
| Sample Time |
1 minute total (first reading in 9 seconds, subsequently every 6 seconds) |
| Light Source |
Laser Diode, 30 mW, 780 nm |
| Power |
6V Ni-MH self-contained battery pack - provides 8 hours of typical intermittent use or up to 5 hours of continuous use |
| AC Adapter / Charger |
AC to DC Module, 100-240 VAC to 9 VDC at 350 mA typical |
| Communications |
RS-232 |
| Certifications |
Meets or exceeds CD, ISO, ASTM, and JIS international certifications |
| Interface Display |
16-character LCD |
| Keyboard |
2-button membrane |
| Size |
Height: 6.25 inches (15.9 cm), Width: 3.65 inches (9.3 cm), Thickness: 2.0 inches (5.1 cm) |
| Weight |
1.74 lbs (28 ounces or .79 kg) |
| Operating Temperature |
0 to 50 Degrees Celsius |
| Storage Temperature |
-20 to +60 Degrees Celsius |
| Accessories Supplied |
Operating Manual, Custom Serial Cable, AC to DC Converter Module with IEC AC Power Cord, Iso-kinetic Sample Probe, Screwdriver, Carrying Case, Zero Particulate Filter |
Met One GT-321 One Channel Particle Counter Design Meets or Exceeds ISO, CE, ASTM and JIS international certificationsMet One GT-321 One Channel Particle Counter Features
- Handheld
- Programmable choosing from five particle sizes
- Simple Operation
- Battery or AC Powered
- Fast Sampling with results in about 6 seconds
- Lowest Price in the Industry
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