3 Mechanical Installation
Precautions
Before starting work, make sure that the safety instructions in the chapter Introduction and
Safety (page 2) have been read and understood.
3.1 Mounting
configuration
The level sensor is submersible.
• When it hangs free from the cable with dedicated suspension attachment, it is not
position-dependent.
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3.2 Mount the unit
1. Lower the sensor carefully into the liquid media so that it penetrates the surface
slowly.
Never drop the sensor into the liquid or allow it to fall freely.
2. Continue lowering the sensor until it reaches its working position, which is at the
bottom of its range (≥ 4 mA).
Do not exceed this depth.
3. Where applicable, secure the sensor to the cable holder.
3.3 Care and handling
The level sensor is of a robust construction through choice of materials and design,
making it tolerant of chemical and mechanical damage. However, precautions must be
taken to avoid corrosive media, over-pressure, and sharp impact.
Low pH
Acidic conditions in the media, for example pH<4, can reduce the life span of the sensor.
For more information, please contact your local sales and service representative.
Cleaning
If needed, carefully clean the sensor and rinse in a mild detergent.
Mechanical damage
Direct probing of the diaphragm can damage the sensor, voiding the warranty.
Never allow the sensor to fall into the liquid, or deliberately drop it into the liquid.
1
In case of turbulence, the sensor can be immersed in a pipe, with inside diameter minimum 65 mm (2.56 in)
3 Mechanical Installation
LTU601 Installation and Operation Manual 7
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