Has anyone has experience using the PTrak 8525 to measure ultrafine particles in indoor air?
We have a community member using this piece of equipment for that purpose: https://www.tsi.com/p-trak-ultrafine-particle-counter-8525/
Here is the spec sheet:
- Concentration Range: 0 to 5 x 105 particles/cm3
- Particle Size Range: 0.02 to 1 micrometer
- Temperature Range--Operation: 32 to 100°F (0 to 38°C)
- Temperature Range--Storage: -40 to 160°F (-40 to 70°C)
- Flow Rate--Sample: 100 cm3/min
- Flow Rate--Total: 700 cm3/min (nominal)
- Power Requirement--Battery type: 6 AA alkaline
- Power Requirement--Battery life: 6 hrs at 70°F (21°C)
- Alcohol Requirement--Type: 100% reagent grade isopropyl
- Alcohol Requirement--Hours per charge: 8 hours at 70°F (21°C)
- RS232 Output: Baud rate 9600
- Memory--Single points: 470
- Memory--Data logging: 1,000 hours at one-minute intervals. A maximum of 141 separate tests.
- Size (H x W x D): 10.75 in. x 5.5 in. x 5.5 in. (27 cm x 14 cm x 14 cm)
- Weight--Instrument with batteries: 3.8 lbs (1.7 kg)
- Factory Recalibration Interval: One year
- Warranty: Two years on parts and labor
- Computer Requirements: PC with Microsoft Windows 2000 or XP; Windows-compatible printer; 5 MB hard disk space; and available RS232 serial port (for downloading)