Tecnic


    MetOne Instruments Inc.
    Ambient Particulate

    Met One Instruments Inc. entered the particulate monitoring market in 1995. In a few short years, we have become a major player in ambient air monitoring around the
    world. The BAM 1020, the portable E-BAM and the E-Sampler are the preferred instruments for government agencies and industry domestically and overseas. They are
    user-friendly, accurate, robust, unique and low-maintenance. The E-BAM and E-Sampler technology has no competition.
    Comparison of Met One Instruments Air Monitors




































































































































































































    All of the Met One Particle Counters and Dust Monitors have traceable calibration to prime standards.
 
BAM-1020
E-BAM
E-SAMPLER
 
Applications
Regulatory monitoring, compliance
monitoring, AQ Networks. Data may be
used for enforcement purposes
Emergency response, HAZMAT
Response fence-line, Research.
Surveying, Fence-line, Industrial Sites
Method
Beta ray attenuation
Beta ray attenuation
Light scatter
Sensitivity
Excellent
Excellent
Very good
Regulatory Approvals
US-EPA Equivalent Method for PM10,
TUV
& mCERTs  in process,JIS Japan,
AACMS-1999-2 Korea, UK, NRC
Korea AACMS, US Forestry Service
Comparison Study
US Forestry Service Comparison Study
Portability
Easily transportable, requires A/C
power, satellite, dial-up, cell-phone,
radio-modems available.
Completely portable, A/C, battery or
solar-panel operation possible.
Satellite, dial-up, cell-phone radio
modems available.
Completely portable, A/C, battery or
solar-panel operation possible.
Satellite, dial-up, cell-phone radio
modems available.
Particle Counters
Yes
Yes
Yes
Yes
Dust Monitors
Yes
No
No
Yes
Model
GT-321 & GT-331
GT-521
Aerocet 912 Profiler
Aerocet 531
 
Operation
Particle Counter
Particle Counter
Particle Counter
Particle Counter
Particles size ranges
0.3, 0.5, 1.0, 2.0, 5.0 microns
(GT-321)
Any size between 0.3 and 5.0
microns, extended ranges
available
Six sizes set by Met One for
user requirements: available
sizes
0.3 to 1.0 in 0.1 increments,
1.0 to 10.0 in 1.0 increments
0.5 and 5.0 microns
Size Selection
Keypad selectable to any of
above sizes
for GT-321
Fixed for GT-331
Keypad selectable in 0.1
micron increment
Factory set
Keypad selectable to any of
above sizes
Number of particle counting
channels
One
Two
Six
Two
Mass Size Range
PM1; PM2.5; PM7; PM10 & TSP
0-1.000 mcg/m3
(GT-331)
    PM1; PM2.5; PM7; PM10 & TSP
0-1.000 mcg/m3
Mass
Mass profiler, automatically
provides mass in four size
ranges and total mass
(GT-331)
    Mass profiler, automatically
provides mass in four size
ranges and total mass
Internal Data Logger
No
Yes
No
Yes
Computer Connection
GT-321 : no
GT-331 : yes
Yes
Yes
Yes
Carrying Case
Yes
Yes
No
Yes
Metal Enclosure
Yes
Yes
Yes
Yes
Universal 100 VDC to 240 VDC
power supply / charger
included
Yes
Yes
No
Yes