GT-321
GT-521
GT-521
Aerocet 531
BT-637
804
Model GT-321 GT-521 GT-526 AEROCET 531 BT-637 804
Product Particle Counter Particle Counter Particle Counter Particle Counter / Dust Monitor Particle Counter - BenchTop Particle Counter
Applications

- Airborne contamination monitoring & testing
- HVAC applications
- Process control
- Filter testing
- Controlled environments

- Airborne contamination monitoring & testing
- QA programs
- Ventillation testing
- Filter testing
- Controlled environments
- Process control

- Controlled environments
- Indoor air quality (IAQ)
- Process control
- HVAC applications
- Filter testing
- Compliance testing
- Emission sourcing
- QA programs

- Controlled environments
- IAQ
- Process control
- HVAC applications
- Filter testing
- Hospital & clinics
- Emissions sourcing
- Environmental surveys
- Mining & ore processing

- Monitoring / Verifying Cleanrooms
- Medical Device Mfg / Pkg'g
- Hospital Pharmacies / Surgery Suites
- Food / Beverage Mfg / Pkg'g
- Aerospace Assy
- Auto / Appliance Pain Booths
- Cosmetic Mfg / Pkg'g

- Controlled Environments
- IAQ
- Process Control
- HVAC Applications
- Filter Testing
- Hospital & Clinics
- Laboratory Env.
Features - Most inexpensive counter on the market
- Simple operation
- Fast sampling
- Battery or AC powered
- Keypad selectable sizes 		- Cost competitive
- Keypad selectable size range in 0.1µm increments
- Identification codes enable use in network applications employing up to 99 remote sensors 		- All 6 channels counted and recorded at one time
- Menu driven command aet for out of the box operation
- Bench unit performance in a handheld
- Cost competitve

- 2-in-1 performance
- Particle counting & mass monitoring modes
- Cost competitive
- Keypad selectable sizes

- Affordable with High End Performance
- Volumetric Flow Control
- Battery or AC Powered
- Flexible Data Interface
-Audible Alarm Alerts
-User Customizable

- Fast Sampling
- Simple Operation
- Selectable Sizes with available favorites (2) sizes displayed.
- Low Cost w/ Data Logging
- Self Contained
Count Channels 1 (Selectable) 2 (Selectable) 6 (Fixed) 2 (Fixed) 6 (Fixed) 4 (SELECTABLE)
Particle Sizes (µm)
0.3 ,0.5, 1.0, 2.0, 5.0
(SELECTABLE)
Within range of: 0.3 to 5.0; 0.1 increments
(SELECTABLE)
0.3, 0.5, 0.7, 1.0, 2.0, 5.0

Counter: 0.5 µm and 5 µm

Mass: PM1, PM2.5, PM7, PM10, TSP
0.3, 0.5, 0.7, 1.0, 2.0, 5.0
 0.3, 0.5, 0.7, 1.0, 2.5, 5.0, 10.0
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)
Concentration Limit 3,000,000 / cf 3,000,000 / cf 3,000,000 / cf Counter: 3,000,000 / cf
Mass: 1 mg/m3 		3,000,000 / cf 3,000,000 / cf
Data Memory None 4,000 records 8,000 records 4,000 records 8,000 records 2,500 records
Computer Interface RS232 RS232 / RS485 RS232 / RS485 RS232 / RS485 RS232 / RS485 / Analog (0-5V) / USB / Memory Stick USB
Power Supply / Charger Yes Yes Yes Yes Yes Yes
Continuous Battery Operating Time 5 hours 5 hours 11 hours 5 hours 8 hours 8
Recharge Time 15 hours 15 hours 15 hours 15 hours 3 hours 2.5 hours
Software No Yes Yes Yes Yes Yes
Dimensions 6.25"(l) x 2"(h) x 3.5"(w) 6.25"(l) x 2.1"(h) x 4"(w) 6.25"(l) x 2.21" (h) x 4"(w) 6.25"(l) x 2.1"(h) x 4 "(w) 4.4"(h) x 6.62" (w) x 6.65" (d) 6.73" x 3.75" x 2.0"
Carrying Case Included Included Included Included No Optional
Accessories No - RH & temperature
- Flow meter
- Printer		 - RH & temperature
- Flow meter
- Printer		 - RH & temperature
- Flow meter
- Printer		 RH & Temp / Flow Meter / Printer Case, Boot, Zero Kit, Flow Kit