Piezobalance Dust Monitor – 3520 Series

The ideal oil mist detection tool

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The Kanomax Piezobalance Dust Monitor 3521/3522 is a unique respirable aerosol monitor, providing direct mass concentration of particulates using PIEZOBALANCE technology; ideal especially for oil mist monitoring. The Kanomax 3521 is equipped with 4 and 10µm impactors while the 3522 is equipped with a 2.5µm impactor. Unlike conventional dust meters, which count particles, a piezobalance dust meter like the 3521 or 3522 “weighs” mass concentration of particulates. As an air sample enters the system, it travels through the impactor, which captures and removes larger particulates away from the sample. Smaller particulates become electrically charged and deposited on the piezo-crystal. The total mass of the deposited particulates affects the piezo-crystal’s frequency. Since the change in frequency is proportional to the mass of the particulates, the actual weight of the particulates is obtained.

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  • Measures PM 10, Respirable, or PM 2.5 particle matters
  • Real-time measurements of dust concentration
  • Data logging up to 500 measurements
  • Simple cleaning mechanism for easy maintenance
  • Complete with data processing software, RS 232C cable, cleaning kit, Ni-MH battery pack, AC adapter, carrying case and calibration certificate
  • Oil Mist Monitoring
  • Automotive Engineering Area Monitoring
  • IAQ Investigations
  • Industrial Hygiene
  • Occupational Health & Safety
  • Product Quality Control
  • Laboratory Research

Main Unit Specifications
Measuring ObjectAirborne Particle Matter 0.1 to 10 µm
Impactor10 µm, 4 µm
Measuring Range0.01 to 5 mg/m3
Accuracy+/- 10% of reading +/- 1 digit (0 to 5 mg/m3)
+/- 20% of reading +/- 1 digit (5 to 10 mg/m3)
Measuring ObjectAirborne Particle Matter 0.1 to 2.5 µm
Impactor2.5 µm
Measuring Range0.01 to 10 mg/m3
Accuracy+/- 10% of reading +/- 1 digit
General Specifications
Sampling Flow Rate1 L/min
Datalogging500 data and time stamped measurements
Power SupplyNi-MH battery or AC adapter
DimensionsH7.0″ x D5.9″ x W2.7″ (180 x 150 x 65mm)
Weight (with batteries)4.4 lbs. (2 kg)
Warranty1 year
What’s IncludedMeter, Operation manual, Software, RS232C cable, AC adapter, NiMH battery pack, Cleaning kit, Impactor(s), Carrying case, Calibration certificate

User Manual


Data Sheet - English


Application Note - Dust Monitoring Methods


Software Manual


Kanomax Piezobalance Dust Monitor - Overview

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