The BT‐645 Portable Dust Monitor has been designed to continuously measure and record particulate information for Indoor & Outdoor Work Place, Public Place environments with Flow Rate of 2 LPM

Key Features:

• ‘Real Time’ monitoring
• Simple operation
• Rugged design
• Built‐in Datalogger
• Purge air system
• Low power consumption
• Optional Inlets: The standard unit is supplied with a TSP inlet.
• Optional sampling inlets are available for PM2.5, PM4 and PM10
  

Applications:

• Public and Workplace Monitoring
• Industrial / Occupational Hygiene
• Indoor Air Quality

SPECIFICATIONS

Concentration Range:     0 to 100 mg/m3 (0 to 100,000 µg/m3)
Sensitivity:                        1 µg/m3
Accuracy:                          5% traceable to standard with 0.6 µm PSL
Measuring Time:             1, 5, 10, 15, 30 and 60 minutes
Flow Rate:                        2 LPM

Note: Measurement accuracy requires use of appropriate K‐factor for the material being measured.

Light Source:                     Laser Diode, 5 mW, 670 nm
Power:                               14.8V Li‐ion (Lithium Ion) battery pack
Battery Life:                      Over 10 hours continuous operation
AC Adapter/Charger:       Li‐ion battery charger, 100 – 240 VAC, 50/60Hz to 16.8 V @ 1.8 A
Communications:            RS‐232, USB
Data Storage:                   Over 5,000 samples

Operating Temperature: 0˚C to +50˚C
Relative Humidity:            90% (non‐condensing)
Storage Temperature:     ‐20˚C to +60˚C