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Piezobalance Dust Monitor Model
3521
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Respirable Aerosol Mass Monitor
IAQ Investigations
Environmental
Measurements
Product Quality Control
Laboratory Research
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Direct Particulate Mass
Measurement in "WEIGHT" on the Piezo-Crystal.
Features
- Data logging ability allows user to log
500 samples.
- Simple cleaning mechanism for easy
maintenance.
- RS232C port available as standard.
- Back-lit display is easy to read in poor
lighting conditions.
Benefits
- While conventional dust meters "count"
particulates, the Piezobalance dust meter "weighs" mass concentration
of particulates.
- Data can be reviewed on-screen, printed
or downloaded to a computer.
- Software included for easy data download
and processing.
- Easy operation requires no special
training.
Principle
As 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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Specifications
| Measuring Object |
Airborn Particulate
Matter < 10 µm |
| Measuring Range |
0.02-10mg/m3 |
| Sampling Flow Rate |
1L/min |
| Measuring Time |
"Preset: 120 sec or 24
sec Manual: 10sec to 3600sec" |
| Accuracy |
+/-10% of rdg +/-1 digit
(0 to 5mg / m3)
+/-20% of rdg +/-1 digit (5 to
10mg / m3)
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| Cleaning Frequency |
Cleaning is required
after every 10-20 measurements.
"CLEANING" will appear on the display when it needs to be cleaned. |
| Data Logging |
Max 500 date and time
stamped samples |
Digital Output
(To PC or printer) |
RS232C (Baud Rate 4800,
9600, and 19200) |
| Power Supply |
AC (85V-240V) or DC
Ni-MH battery |
| Dimensions |
65 x 180 x 150 mm (WxHxD) |
| Weight |
Approx. 2kg |
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Copyright
(C) 2008 KANOMAX USA, INC. All Rights Reserved. |
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219 Route 206, PO Box 372, Andover, NJ 07821
Tel: (800) 247-8887 / Fax:
(973)-786-7586 / info@kanomax-usa.com
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