BT-620 Manual
Page 39
BT-620-9800 Rev B
10. Specifications
Performance
Particle Size Range
0.3µm - 10µm, 6 channels
Calibrated Sizes
0.3 µm, 0.5µm, 1.0µm, 2.0µm 5.0µm and 10µm
User Size Settings
0.1µm steps from 0.3µm - 2.0µm
0.5µm steps from 2.0µm - 10µm
Concentration Range
0 – 600,000 particles per cubic foot (over 20M particles/m
3
)
Accuracy
± 10% to calibration aerosol
Sensitivity
0.3 µm
Flow Rate
1 cfm (28.3 lpm)
Sample Time
Adjustable: 1 to 9999 seconds
Hold Time
Adjustable: 0 to 9999 seconds
Electrical
Light Source
Laser Diode, 90mW, 780 nm
Power
Battery Operation
14.8V Li-Ion self-contained battery pack
Up to 8 hours typical use or 4 hours continuous use
Full recharge approximately 3 hours.
AC Adapter/Charger
Li-Ion charger, 100 – 240 VAC to 16.8 VDC @ 3.5 A
Communications
USB, RS-232 or RS-485
Standards
Meets ISO 21501-4
Interface
Display
20 character x 4 line LCD
Keyboard
8 key membrane type
Physical
Height
10.1” (25.7 cm) With handle 11.6” (29.5 cm)
Width
8” (20.3 cm)
Depth
9.5” (24.1 cm)
Weight
13.9 lbs (6.3 kg)
Environmental
Operating Temperature
0
º
C to +40º C
Storage Temperature
-20º C to +60º C
Accessories
Supplied
Operation Manual
(PN BT-620-9800)
USB Cable
(PN 500784)
Comet Software
(PN 80248)
Particle View Software
(PN Particle View)
Battery Charger
(PN 81751)
Iso-kinetic Sample Probe
(PN 81752)
Zero Particulate Filter
(PN 81754)
Printer Paper (2 Rolls)
(PN 750514)
Optional
RH & Temperature Probe
(PN G3120)
Flow Meter
(PN 81755)
Serial Cable
(PN 550065)
ISO 21501-4 Calibration (PN 80849)