CEL-712 Microdust Pro Real-time Dust Monitor
32 Casella Measurement
The span adjustment calibration described here is an absolute calibration of the
instrument. It remains valid when a correction factor is applied.
Figure 16 Setting the instrument span
If the correct value is NOT shown (for example because the instrument was last used with a
different probe and filter), follow the steps in Figure 17 to set the instrument to use the same
reference printed on the Calibration Insert.