Casella CEL Software for the Microdust dust monitor - Manual (Page 12)

The analogue output signal has a full scale range of 0 - 2.5 volts and an output
impedance of approximately 500 Ω .
The full scale output voltage is proportional to the full scale indication of the
active range. For example, if the active range is 0 - 25 mg/m 3 , an output
signal of 2.5 volts will represent a dust concentration of 25 mg/m 3 , (i.e. 1 mV
per 0.01 mg/ m 3 ).
The analogue output is available only when a fixed measurement range is
selected (i.e. not Auto Range).
1.5 Schedule of Parts
MicroDust pro Control unit
MicroDust pro Probe
Calibration Filter
Carry Case
RS 232 Lead and Software
User Manual
4 x NiCad Rechargeable Batteries
12 V Power Supply with:
Mains Plug - UK Fitting
Mains Plug - European Fitting
Mains Plug - USA Fitting,
Mains Plug - Australian Fitting.
Figure 6 shows how the relevant plug adaptor for different local areas is fitted
to the power supply unit.
Figure 7 shows the components of the kit installed in the carry case.
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Figure 6: Fitting plug adaptor
Figure 7: The MicroDust pro installed in the carry case
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Page 12 of 60
Description MICRODUST pro Aerosol Monitoring System &
WINDUST pro Application Software - Handbook