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Met One / Pacific Scientific Instruments A2100 Laser Particle Counter
The Met One / Pacific Scientific Instruments A2100 Laser Particle Counter
measures airborne particles in six size ranges at the same time, and
displays the number of particles in each range as a cumulative or
differential count. The counter is a state-of-the-art laser-based
microprocessor-controlled instrument. It provides adjustable count alarms,
automatic calibration verification, and computer controlled operation
through a serial port.
The Met One A2100 counter's laser and optical lenses create a laser
beam that is used to detect particles. The airborne particles pass through
the laser beam, deflecting bursts of light onto a solid-state photo diode
that converts the light to an electrical pulse. The size of the pulse is
proportional to particle size. The microprocessor and its associated
circuitry sorts and counts these pulses.
Specifications:
| Power |
200
watts |
| Voltage |
115,
100 or 230 VAC +10% |
| Frequency |
50-60
Hz |
| Max.
Count Displayed |
9,999,999 |
| Environment
(Operating) |
|
Temperature |
12
to 29°C (55 to 84°F) |
|
Humidity |
20
to 95% relative, non-condensing |
| Environment
(Non-Operating) |
|
Temperature |
-40
to 60°C (-40 to 140°F) |
|
Humidity |
up
to 98% relative, non-condensing |
| #
of Size Ranges |
6 |
| Particle
Size Ranges |
0.1,
0.2, 0.3, 0.5, 0.7, 1.0 micron |
| Min.
Threshold Setting |
0.1
micron at 50% counting efficiency |
| Zero
Count |
one
count or less in 15 minutes |
| Sample
Flow Rate |
1
cfm (25.3L/min) |
| Coincidence
Loss |
Less
than 5% at 40,000 particles/cu. ft. |
| Light
Source |
HeNe
laser tube |
| Data
Storage |
400
samples, rotating buffer |
| Count
Display |
up
to 999 while in Automatic mode |
| Locations |
up
to 999, number appears on printout |
| Output |
RS-232C/RS-485
for computer |
| Sensor
Type |
4-port
HeNe, open cavity |
| Pump Type |
air
vacuum (linear), 1 cfm |
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