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Hãng sản xuất: Met One - Mỹ - Khoảng đếm hạt: Hai kênh từ 0.3 ... 5.0 μm (selectable in 0.1 μm increments) - Mật độ: 0 - 3,000,000 hat tử/cubic foot (105,900 particles/L) - Độ chính xác: ±10% - Độ nhạy: 0.3 μm Specifications OPERATING PRINCIPLE

Hãng sản xuất: Met One - Mỹ

- Khoảng đếm hạt: Hai kênh từ 0.3 ... 5.0 μm (selectable in 0.1 μm increments)

- Mật độ: 0 - 3,000,000 hat tử/cubic foot (105,900 particles/L)

- Độ chính xác: ±10%

- Độ nhạy: 0.3 μm

Specifications

OPERATING PRINCIPLE	Counts individual particles using scattered laser light
PERFORMANCE
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 particles/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
ELECTRICAL
Light Source	Laser diode, 30 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 certifications
INTERFACE
Display	16-character × 4–line LCD
Keyboard	7-key membrane type
PHYSICAL
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)
ENVIRONMENTAL
Operating Temperature	0° to +50°C
Storage Temperature	-20° to +60°C
ACCESSORIES
Supplied	Operation Manual Custom Serial Cable Communication Software (GT-Comm) AC to DC Converter Module with IEC AC Power Cord Isokinetic Sample Probe Screwdriver Carrying Case Zero Particulate Filter
Optional	RH & Temperature Probe (Met One Part Number G3120) Flow Meter (Met One Part Number 9801) Portable Printer (Met One Part Number G3115