ADVANCED MICRO CALIBRATION BATH TEMPERATURE
LCA 30/50
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14
6.4. Viewing the reference temperature and the nominal temperature
First page
In the red indicator, which is the internal PT 100 appears the following:
-
Process Value (PV):
Indicates the current temperature of the equipment.
-
Set Point (SP):
Indicates the nominal temperature that the equipment must control.
After reaching the nominal temperature, the emission of the energy generated by the micro-
bath continues with start impulses in order to keep stable the level of the temperature inside.
.
Second Page
In the blue indicator, which is the external PT 100 appears the following:
-
Process Value (PV):
Indicates the current temperature of the equipment.
-
Set Point (SP):
Indicates the nominal temperature that the equipment must control.
After reaching the nominal temperature, the emission of the energy generated by the micro-
bath continues with start impulses in order to keep stable the level of the temperature inside.
Third Page
The operation of this page is the same that the previous one but with the difference that in this
screen appear the Internal and External PT 100.
6.5. Regulation of reference temperature up to the maximum
An orange bar expresses, in percentage, the heating power and a blue one the cooling.
6.6. Operating position
The vertical service position of the micro calibration bath is optimal as this position guarantees the
ideal distribution of the temperature in the micro-bath.
The position should never be horizontal.
6.7. Inner sleeves
After use remove the inner sleeve with the aid of a tool for sleeves and then proceed to cleaning. This
prevents sleeves from adhering to the micro-bath.
6.8. Preparation of micro calibration bath
To achieve maximum accuracy of a micro calibration bath, fill with an appropriate calibration liquid.
6.8.1. Properties of calibration liquids
Due to the specific features of the different calibration liquids different calibration results are obtained.
A compensation of calibration liquids should be performed, even in factory by the manufacturer if
necessary.
Recommended calibration liquids for the different temperature ranges:
Water as calibration liquid
Use only distilled or demineralized water. Otherwise tartar is formed and the deposit of micro bath
gets dirty.
Silicone oil as calibration liquid
Only use the silicone oil recommended in this manual.
Ensure that the room is well ventilated when working with silicone oil because harmful
substances may escape.
Because the silicone oil is hygroscopic, always close the micro bath after use with the transport
cover.
Only use clean calibration liquids. Checking the temperature sensors and other temperature
measuring means may generate dirt in the fluid .This calibration can cause abrasions dirt on the
floor of the tank caused by movement of the rotary magnetic stirrer.
Summary of Contents for LCA 30
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