Fluid Chiller
The Echo's Liquid Handler's peristaltic pump pushes the coupling fluid through the chiller to maintain the coupling fluid
temperature.
Coupling fluid temperature control
The recommended Echo Liquid Handler coupling fluid temperature operating window is 22.1°C ± 0.9°C. This temperature can be
viewed on the Diagnostics tab of the Echo Liquid Handler software. For more information, see Coupling Fluid Temperature and
Indicator.
The nominal fluid chiller set point is 22.0°C. The chiller set point should be chosen so that the coupling fluid temperature is kept
within the required operating window. Warmer or colder environmental conditions may require adjustment of this set point.
Caution: Incorrect fluid temperature can reduce the precision and accuracy of the fluid that is transferred, and potentially
damage the acoustic transducer. Ensure that the chiller is correctly connected to the Echo instrument and is running at
recommended temperature.
Surge Tank
A 10 L surge tank is standard with the Echo Liquid Handler system. When vacuum demand is at its highest, the surge tank ensures
a continuous source of vacuum. It prevents system errors resulting from low vacuum in laboratories where house vacuum barely
meets the minimum vacuum requirement or is inconsistent due to other laboratory demands. Surge tanks are available for
purchase for older Echo units. For more information, contact Contact Information.
Figure 30: Surge Tank
Component Description CHAPTER 3 | General Description
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