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Model
|
GT-321
|
GT-521S
|
GT-526S
|
AEROCET 531S
|
BT-610
|
BT-620
|
804
|
AEROCET
831
|
Product
|
Particle Counter
|
Particle Counter
|
Particle Counter
|
Particle Counter / Dust Monitor
|
Particle Counter - BenchTop
|
Particle Counter - BenchTop
|
Particle Counter
|
Aerosol Mass Monitor
|
Applications
|
-Airborne Contamination Monitoring & Testing
-HVAC Applications
-Process Control
-Filter Testing
-Cleanroom
|
-Controlled Environments
-IAQ
-Process Controls
-HVAC Applications
-Filter Testing
-Compliance Testing
-Emission Sourcing
-QA Programs
|
-Controlled Environments
-IAQ
-Process Controls
-HVAC Applications
-Filter Testing
-Compliance Testing
-Emission Sourcing
-QA Programs
|
-Controlled Environments
-IAQ
-Process Controls
-HVAC Applications
-Filter Testing
-Hospital & Clinics
-Emissions Sourcing
-Environmental Surveys
|
-Cleanroom Monitoring
-Medical Device Mfg/Pkg
-Filter Testing
-Hospital Surgery Suites / Pharmacy
-Food/Beverage
-Paint Booths
-Aerospace Assy
-Cosmetic Mfg'g/Pkg'g
|
-Cleanroom Monitoring
-Medical Device Mfg/Pkg
-Filter Testing
-Hospital Surgery Suites / Pharmacy
-Food/Beverage
-Aerospace Assy
-Cosmetic Mfg'g/Pkg'g
|
-Controlled Environments
-IAQ
-Process Control
-HVAC Applications
-Filter Testing
-Hospital & Clinics
-Laboratory Env.
|
-Industrial / Occupational Hygiene
-IAQ
-Process Control
-HVAC Appl.
-Filter Testing
-Point Source Monitoring
-Emissions Sourcing
-Environmental Surveys
|
Features
|
-Most inexpensive counter on the Market
-Simple Operation
-Fast Sampling
-Battery or AC Powered
-Keypad Selectable Sizes
|
-2
Channels of monitoring user Selectable
-Simple & Powerful Menu Driven functionality
-
Adjustable Sample Time
-Differential or Cumulative
-Battery or AC Powered
|
-All 6 Channels Count & Record at One Time
-Menu Driven Command Set for Out-of-Box Use
-Bench Unit Performance in a Handheld
-Affordable
-User Size Selectable
|
-2-in-1 Performance
-Particle Counting & Mass Monitoring Modes
-Cost Competitive
-Keypad Selectable Sizes
|
-Compact / Portable w/ built-in printer
-Volumetric Flow Control - improved accuracy
-Large Display - easily viewed from across room
-Improved Software
-2-year Warranty
|
-Compact / Portable w/ built-in printer
-Volumetric Flow Control - improved accuracy
-Large Display - easily viewed from across room
-Improved Software
-2-year Warranty
|
-Fast Sampling
-Simple Operation
-Selectable Sizes with available favorites (2) sizes displayed
-Low Cost w/ Data Logging
-Self Contained
|
-Four Mass Ranges (PM1, PM2.5, PM4, PM10)
-Handheld Operation
-Sample History
-Low Cost w/ Data Logging
-Battery Powered
|
Count Channels
|
1
(Selectable)
|
2
(Selectable)
|
6
(Selectable)
|
8
(FIXED)
|
6
(Selectable)
|
6
(Selectable)
|
4
(Selectable)
|
7
(FIXED)
|
Particle Sizes (µm)
|
0.3, 0.5, 0.7, 1.0, 2.0, 5.0 (Selectable)
|
0.3 - 10.0
|
0.3 - 10.0
|
Count: 0.3, 0.5, 1, 5 & 10 Mass: PM1/ PM2.5/PM4 /PM7/PM10/TSP
|
0.3 - 10.0
|
0.3 - 10.0
|
0.3, 0.5, 0.7, 1.0, 2.5, 5.0, 10.0
|
Mass = PM1/ PM2.5/PM4/PM10
|
Flow Rate
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
0.1 cfm (2.83 lpm)
|
Concentration limit
|
3,000,000 / cf
|
3,000,000 / cf
|
3,000,000 / cf
|
Counter = 3,000,000 / cf Mass = 1mg/m3
|
3,000,000 / cf
|
6,000,000 / cf
|
3,000,000 / cf
|
3,000,000 / cf
|
Data Memory
|
None
|
8,000 records
|
8,000 records
|
6,257 records
|
8,000 records
|
8,000 records
|
2,500 records
|
2,500 records
|
Computer Interface
|
RS232
|
RS232 / RS485 / USB
|
RS232 / RS485 / USB
|
RS232 / RS485 / USB
|
RS232 / RS485 / Analog (0- 5V) / USB / Memory Stick
|
RS232 / RS485 / Analog (0- 5V) / USB / Memory Stick / Ethernet
|
USB
|
USB
|
Power Supply / Charger
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Cont. Operating Time
|
5
hours
|
10
hours
|
10
hours
|
10
hours
|
8
hours
|
4
hours
|
8
hours
|
8
hours
|
Recharge Time
|
15
hours
|
2.5 hours
|
3
hours
|
3
hours
|
3
hours
|
3
hours
|
2.5 hours
|
2.5 hours
|
Software
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Dimensions
|
6.25"(l) x 2"(h) x 3.5"(w)
|
6.25"(l) x 2.21" (h) x 4"(w)
|
6.25"(l) x 2.21" (h) x 4"(w)
|
6.25"(l) x 2.1"(h) x 4"(w)
|
8.75"x6.75"x8.5"
|
10.1"x8"x9.5"
|
6.73" x 3.75" x 2.0"
|
6.73" x 3.75" x 2.0"
|
Carrying Case
|
Included
|
Included
|
Included
|
Included
|
No
|
No
|
Optional
|
Optional
|
Accessories
|
No
|
RH
Temp/Flow Meter/ Printer/ Software / Wall/Tripod Mount
|
RH
Temp/Flow Meter/ Printer/ Software / Wall/Tripod Mount
|
RH
& Temp / Flow Meter / Printer / Wall/Tripod Mount
|
RH
& Temp / Serial Cable
|
RH
& Temp / Serial Cable
|
Case, Boot, Zero Kit, Flow Kit
|
Case, Boot, Zero Kit, Flow Kit
|