1st. Overview
The intelligent non-contact liquid level sensor (hereinafter referred to as the liquid level sensor) adopts advanced signal
processing technology and high-speed signal processing chip, which breaks through the influence of container wall
thickness and realizes a true non-contact type of liquid level height in a closed container Detection. The liquid level
sensor (probe) is installed on the upper and lower sides of the outer wall of the container to be measured (the high and low
levels of the liquid level). The non-metallic container does not need to be opened, and the installation is simple and does
not affect production. It can detect the liquid level of various liquid toxic substances, strong acids, strong alkalis and
various liquids in high-pressure airtight containers. The liquid level sensor has no special requirements for the material of
the liquid medium and the container, and can be widely used. XKC-Y26-XXX series products are specially developed for
non-metallic pipeline liquid level detection.
2nd.Product Features
1. XKC-Y26-XXX non-contact liquid level sensor is suitable for all kinds of non-metal containers. The product detects
the liquid through the detection signal through the non-metal container and the outer wall of the pipeline, without direct
contact with the liquid. It is corroded by strong acids and alkalis and other corrosive liquids, and is not affected by scale
or other debris, and it can be completed to detect whether there is liquid inside the container or pipeline.
2. Product design intelligent liquid level reference adjustment and liquid level memory function, liquid level status
display mode, can realize multi-point series connection control mode. It can support high and low level output, NPN, PNP
signal output control (please refer to the manufacturer’s instructions when selecting the model).
3. The detection liquid level is accurate and stable, and cold, hot and boiling liquids can be detected.
4. Pure electronic circuit structure, non-mechanical working mode, stable performance and long lasting service life.
5. High stability, high sensitivity, strong anti-interference ability, free from external electromagnetic interference, special
treatment for power frequency interference and common mode interference, to be compatible with all 5~24V power
adapters on the market.
6. Wide range of application, strong sensing ability, can penetrate and detect the liquid level in various non-metallic
containers and pipes, such as plastic, glass, ceramics and other containers. The thickness of the sensing pipe wall can
reach 20mm; it can be applied to various curved surfaces. , Arc, cylindrical and other irregular containers or pipeline
liquid level detection.
7. Wide voltage range (5~24V), suitable for connecting various circuits and product applications
3rd.Product Applications
The intelligent non-contact liquid level sensor uses the inductive capacitance of water to detect the presence of liquid.
When there is no liquid close to the sensor, the sensor has a certain static capacitance to the ground due to the presence of
distributed capacitance on the sensor. When the liquid level is slow When the sensor is slowly raised, the parasitic capacitance of the liquid will be coupled to the static capacitance of the sensor, making the capacitance value of the sensor larger. The changed capacitance signal is then input to the control IC for signal conversion, and the changed capacitance is converted into a circuit signal When the amount of change exceeds a certain threshold, it is judged that the
liquid level has reached the sensing point
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