BT-620 Manual
Page 4
BT-620-9800 Rev B
Introduction
The BT-620 is a portable airborne particle counter with a small stable footprint. This
allows you to move it around and set it down rather than holding it in your hand while
sampling. The large character backlit LCD display provides easy viewing from distances
exceeding 3 meters.
Other key features include:
6 particle sizes (Defaults: 0.3, 0.5, 1.0, 2.0, 5.0 and 10
m)
User size settings (0.1
m steps from 0.3 to 2
m, 0.5
m steps from 2 to 10
m)
2 Favorite sizes (including count alarm limits and analog output)
Copy data to USB memory stick
On Board Printer
Serial communications (Ethernet, USB, RS232, RS485)
Internal battery pack for portable operation.
1.
Setup
The following sections cover unpacking, layout and performing a test run to verify
operation.
1.1.
Unpacking
When unpacking the BT-620 and accessories, inspect the carton for obvious damage. If
the carton is damaged notify the carrier. Unpack and inspect the contents of the
shipping container.
The BT-620 is shipped with the standard items shown in Figure
1
. Contact the supplier
if any items are missing. Figure 2 shows optional equipment which can be purchased
separately.
ATTENTION:
The included USB drivers must be installed before connecting the BT-620 USB port to
your computer. If the supplied drivers are not installed first, Windows may install
generic drivers that are not compatible with this product.
To install USB drivers:
Insert the Comet CD. The install program should run automatically and display the
screen below. If an AutoPlay pop-up window appears, select “Run AutoRun.exe”.
Finally, select “USB Drivers” to start the install process.