BT-620 Bench-Top Particle Counter


Met One’s BT-620 Bench-Top Particle Counter is a compact battery-powered particle counter which’s housed in a portable, robust stainless steel case. Furthermore, it has 6 selectable size channels and a built-in printer.

Below you may find some of the main features of the instrument:

  • User Selectable Sizes

The operator can set each of the 6 channels from 0.3-10 micrometers without any custom calibrations.

  • Simple Operation

The state-of-the-art BT-620 has a large readable screen, built-in printer and an audio alarm that acts as a team to verify particulate levels. When the particle count surpasses the users predetermined limit, the alarm along with the screen will warn the operator, in addition sample history and printout will indicate an alarm event. You may set two programmable count alarm limits.

  • Data Storage and Connectivity

It stores up to 8000 sample events. You may view, print or download the sample history using simple ASCII terminal commands or Particle View software. The BT-620 has flexible digital (Ethernet, USB, RS-232, RS-485) and analog (0-5 VDC) outputs. This bench-top particle counter is also supplied with a Memory Stick port.

  • Portable Desk Top

This battery-operated bench-top particle counter is supplied in a stainless steel enclosure with an internal printer. It allows the user to select between six particle sizes. The battery provides four hours continuous operation or over eight hours of intermittent operation. For longer operations, you may charge the battery or use the AC adapter.

  • Printer

There are two modes of operation for the printer.

Print Sample: as soon as each sample ends, it prints sample data. Alarm, time, date and location are included as well.

Recall Data: it prints all sample data occurred between two selected date and time.

  • Temperature / Relative Humidity Option

You may add humidity capabilities and ambient temperature to displayed and logged data using a plug-and-play option without any reconfiguration or adjustment by the user.

The BT-620 can be applied to industries like Manufacturing and Laboratory. It is also commonly used in a wide variety of applications including: Process Control, Cleanroom Monitoring, Medical Device Manufacturing, Controlled Environments, Laboratory Environments, Filter Testing, Hospitals & Clinics and Food & Beverage.

20 character x 4 line LCD

8 key membrane type

0.3µm to 10µm, 6 channels

0.3 µm, 0.5µm, 1.0µm, 10µm, 2.0µm, 5.0µm

0.1µm steps from 0.3µm to 2.0µm, 0.5µm steps from 2.0µm to 10µm

0 to 6,000,000 particles per cubic foot (over 20M particles/m3)

±10% to calibration aerosol

0.3 µm

1.0 cfm (28.3 lpm)

1 to 999 seconds

0 to 999 seconds

780 nm, 90 mW, Laser diode

14.8V Li-Ion self-contained battery pack for up to 8 hours typical or 4 hours continuous

100 to 240 VAC to 16.8 VDC @ 1.8A, Li-Ion Charger

RS-232, RS-485, USB

Meets ISO 21501-4

13.9 lbs (6.3 kg)

Depth = 9.5" (24.1 cm), Height = 10.1" (25.7 cm) With Handle = 11.6" (29.5 cm), Width = 8" (20.3 cm)

0° to +40°C

-20° to +60°C

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