Model

GT-321

Operating Principle

Counts individual particles using scattered laser light

Particle Size Range

>0.3, >0.5, >1.0, >2.0, and >5.0 ㎛ (selectable)

Concentration Range

0 ~ 3,000,000 particles per cubic foot (105,900 particles/L)

Accuracy

± 10%, to calibration aerosol

Sensitivity

0.3 ㎛

Flow Rate

0.1 cfm (2.83 lpm)

Sample Time

1 minute total

(. rst reading in 9 seconds, subsequently every 6 seconds)

Light Source

Laser diode, 30 mW, 780 nm

Power

6V Ni-MH self-contained battery pack rovides 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

Certification

Meets or exceeds CE, ISO, ASTM, and JIS international certifications

Display

16-character LCD

Keyboard

2-button membrane

Size

Height = 6.25″(15.9 cm) Width = 3.65″(9.3 cm) Thickness = 2.0″(5.1 cm)

Weight

1.74 lb - 28 oz (0.79 kg)

Operating Temperature

0°C to +50°C

ACCESSORIES

Supplied Operation Manual

Custom Serial Cable

AC to DC Converter Module with IEC AC Power Cord

Isokinetic Sample Probe

Screwdriver

Carrying Case

Zero Particulate Filter