Casella CEL Microdust Pro real time dust monitor - Manual (Page 12)

MicroDust Pro Aerosol Monitoring System
12 Casella CEL
3 Using the instrument
The MicroDust Pro is a sensitive scientific instrument that must be protected
against excessive moisture, vibration and physical shock. Follow the
instructions in this User Manual carefully to avoid causing damage to the
instrument.
This section of the manual describes the tasks you must perform to make the
MicroDust Pro instrument ready to make measurements. You should try to
complete the tasks in the sequence they are included.
• Preparing the instrument for use
• Preliminary operations
• Calibration
IMPORTANT
For optimum accuracy, you should always perform a user calibration to correct your
instrument for the type of particulate to be measured. Refer to “ Calibrating the
instrument for a specific type of particulate ” on page 25 for instructions to do this.
• Making measurements
• Data logging
3.1 Preparing the instrument for use
Setting the DIP switches
WARNING
DO NOT enable the charger circuit while there are non-rechargeable batteries installed
in the MicroDust Pro instrument.
The MicroDust Pro instrument has a built-in fast-charging circuit that uses
power supplied by the 12 V DC supply. This allows you to recharge suitable
rechargeable batteries without the need to remove them from the instrument.
Before you can use this feature, you must set the Charger Enable DIP switch
to the ON position, as shown by item (2) in
Figure 4 . The DIP switches are
located in the battery compartment.
If you use non-rechargeable batteries to operate the instrument, it is very
important to set the Charger Enable DIP switch to the OFF position.