CEL-712 Microdust Pro Real-time Dust Monitor
26 Casella Measurement
Figure 11 Alarm setup
Analogue output
The analogue output signal is provided on the 2.5 mm stereo socket located at
base of the instrument (See 2.5mm output port). The output voltage varies with
the measured and displayed ‘Rolling Average’ value in the range Zero to +2.5 V
DC with a 500 Ω output impedance.
The analogue setup allows you to set the full-scale measurement range for this
output. The options are:
2.5 mg/m³ 25 mg/m³ 250 mg/m³
2500 mg/m³ 25 g/m³ 250 g/m³
Unlike the instrument’s main measurements, the full-scale analogue output
does not auto-range. The appropriate range as shown above must be selected to
suit the particulate concentration being measured.
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