TEMP TX
Temperature measuring transducer
A temperature transducer converts a documented temperature-sensor input into an instrument signal.
SLD / Schematic
Symbols · CAP LVL
Capacitive level sensor
In plain English
What does Capacitive level sensor mean?
A capacitive level sensor uses a change in capacitance associated with material near its sensing arrangement.
A simple example
A tank-level system can detect a changing material level using a suitable sensor and calibration.
What the drawings help you do
Show the sensing electrode or arrangement, surrounding material and relevant vessel reference. A change in capacitance is interpreted using the selected installation and calibration. The material’s electrical properties matter, so a layout should identify the actual contents rather than treating all liquids or solids as equivalent.
- Capacitance
- A property describing the relationship between stored charge and voltage.
- Electrode
- A conducting part used in the selected sensing arrangement.
Before using this reference
- Identify sensing arrangement and vessel reference.
- State the material and required level indication.
- Reference calibration, mounting and output requirements.
Will changing the material leave the reading unchanged?
Not necessarily. Material properties and geometry affect capacitance. The selected equipment and calibration must suit the actual vessel contents and intended measurement.
Read the source: Capacitive liquid-level reference design
Schematic · CAP LVL
A distinction that matters
Material properties and vessel geometry affect the response and must be part of the selected design.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Capacitive liquid-level reference design
Primary-source technical context for this particular function; product-specific ratings remain with the manufacturer.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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