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Sample Modules
Aqueous Liquid Module
ALM Description
System Description
The ALM system consists of:
• A sample vessel containing the suspension fluid and dispersed sample particles.
• A sample cell.
• A sonicator that aids in the dispersion of the sample.
• A variable speed circulation pump to circulate the particles through the sample cell.
• Inlet and drain hoses.
• Hoses to transfer fluid from the vessel to the sample cell.
• Liquid level sensors.
The ALM is intended to be used with water only and holds a total volume of 1250 mL. Using the
automatic fill mode, the system only uses 1100 mL. The ALM has the capability of auto-filling and
auto-rinsing using a self-contained internal pump that is operated through software commands.
The pump fills the vessel to a set level controlled by liquid level sensors (refer to
vessel is manually filled, an alarm will sound to indicate when the liquid level has reached the
overflow sensor, this is intended to avoid fluid overflow.
Figure 6.2 Liquid Level Sensors
1. Liquid Level Sensors
Indicators
A set of LEDs placed in the front panel of the module is used to provide visual information about the
status of the system when it is operated in manual mode.
functions. The indicators are active only in manual mode though the functions indicated can also
be accessed through the software.
6-2
Figure
Figure 6.3
shows these LEDs and their
6.2). If the
PN B05577AC
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Troubleshooting
