Casella CEL Software for the Microdust dust monitor - Manual (Page 52)

Physical
Display: 128 x 64 pixel LCD Graphics panel with
backlight.
Keypad: 7 key tactile membrane
Weight: Instrument with probe: 0.97 kg.
Complete kit in carry case: 4.5 kg
Dimensions: Instrument H x W x D: 245 x 95 x 50 mm.
Probe: 35 mm ∅ x 290 mm total length.
Carrying case H x W x D: 135 x 490 x 370
mm.
Displayed Values
Current Concentration Represents the rolling average of instan-
taneous dust concentration over a user
selectable time period from 1 to 60 sec.
Time weighted average Representing the average value since
switch on or reset.
Max Value Representing the maximum instantaneous
value since switch on or reset.
(Instantaneous values are updated every
second)
Scrolling Graph Graph mode provides unique indication of
variations in dust concentration.
Selectable timebase periods of 100 sec,
200 sec, 15 mins, 60 mins,
Y-axis range may be autoranging or fixed.
Factory calibration Factory calibrated using traceable
isokinetic techniques and ISO 12103-1 A2
Fine test dust (Arizona Road Dust
equivalent).
Four user defined calibration settings to
suit specific dust types or monitoring
applications.
Routine Calibration Easy software calibration for Zero and
Span setting.
Confirmation of Factory calibration point
using optical reference filter.
Data Logger
Internal memory: 64 k EEPROM providing over 15,700 data
points.
Example capacities: Logging every 5 seconds: 21 hours
48 mins,
Logging every minute: 10 days 21 hours
Logger Interval: Adjustable from 2 to 600 seconds.
Page 52 of 60
Specification MICRODUST pro Aerosol Monitoring System &
WINDUST pro Application Software - Handbook