Met One Instruments : BT-620 Bench-Top Particle Counter with ISO21501-4 Calibration
BT-620 Bench-Top Particle Counter provides a full feature set in a lightweight convenient size. This Counter monitors 6 particle sizes, includes a built-in printer, is battery or AC operated in a stainless-steel case. The 620 flow rate is 1.0 cfm (28.3 lpm) and is maintained with volumetric flow control for improved accuracy. Like the 610, the 620 data is easily viewed on its display from distances exceeding 3 meters.
Supplied accessories: Operation Manual, USB Cable, Comet Software, Particle View Software, Battery Charger, Iso-kinetic Sample Probe, Zero Particulate Filter, Printer Paper – 2 Rolls and ISO21501-4 Calibration Certificate
BT-620 Bench-Top Particle Counter provides a full feature set in a lightweight convenient size. This Counter monitors 6 particle sizes, includes a built-in printer, is battery or AC operated in a stainless-steel case. The 620 flow rate is 1.0 cfm (28.3 lpm) and is maintained with volumetric flow control for improved accuracy. Like the 610, the 620 data is easily viewed on its display from distances exceeding 3 meters.
Supplied accessories: Operation Manual, USB Cable, Comet Software, Particle View Software, Battery Charger, Iso-kinetic Sample Probe, Zero Particulate Filter, Printer Paper – 2 Rolls and ISO21501-4 Calibration Certificate
| INTERFACE | |
| Display | 20 character x 4 line LCD |
| Keyboard | 8 key membrane type |
| PERFORMANCE | |
| PM Ranges | 0.3µm – 10µm, 6 channels |
| Calibrated Sizes | 0.3µm,0.5µm,1.0µm,2.0µm5.0µmand10µm |
| 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/m3) |
| Accuracy | ±10% to calibration aerosol |
| Sensitivity | 0.3 µm |
| Flow Rate | 1.0 cfm (28.3 lpm) |
| Sample Time Adjustable | 1 to 9,999 seconds |
| Hold Time Adjustable | 0 to 9,999 seconds |
| ELECTRICAL | |
| Light Source | Laser Diode, 90mW, 780 nm |
| Power | 14.8V Li-Ion self-contained battery pack for up to 8 hours typical or 4 hours continuous. |
| AC Adapter/Charger | Li-Ion Charger, 100 – 240 VAC to 16.8 VDC @ 1.8A USB, |
| Communications | RS-232 or RS-485 |
| Standards | Meets ISO 21501-4 |
| PHYSICAL | |
| Weight | 13.9 lbs (6.3 kg) |
| Size | Height = 10.1″ (25.7 cm) With Handle = 11.6″ (29.5 cm) Width = 8″ (20.3 cm) Depth = 9.5″ (24.1 cm) |
| ENVIRONMENTAL | |
| Operation Temperature | 0° to +40°C |
| Storage Temperature | -20° to+60°C |
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