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Non-Contact Digital Water Level Sensor

DFRobot DFRobot



This fancy little Non-Contact Digital Water Level Sensor uses clever capacitance to accurately measure water levels from the outside of a container.

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R 199.95

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As Makers of all kinds, from Electronics Experts to Born-and-Bred Bakers, there are often times in which we need to Measure Liquids, whether it be oil in a machine or syrup in a dispensing unit. However, in a lot of these cases, we typically don’t want to (and sometimes can’t) dip probes into the liquid due to high levels of corrosion or potential contamination. In such times, the standard water level probe simply will not do, and this is why we’re always looking for Fancy Modules like this Non-Contact Digital Water Level Sensor, which utilises clever capacitance techniques to accurately measure water levels inside of a container – while safely positioned outside of the container and outside of the liquids we’re measuring.

This awesome non-contact water sensor uses capacitance to measure water levels, but more specifically taps into and couples with the parasitic capacitance that happens when liquids come into contact with a capacitive field. This allows Makers to measure levels without ever dipping a probe into the liquid, and while this may seem somewhat unnecessary at first, it does offer some excellent advantages that submersible probes simply cannot provide.


Non-Contact Digital Water Level Sensor  -  Technical Specifications:

  • Primary IC

– XKC-Y25-T12V                                                  

  • Operating Voltage

– 5V to 24V DC

  • Operating Current

– 5mA

  • Output Voltage (High)

– VCC Input (5V to 24V)

  • Output Voltage (Low)

– 0V

  • Output Current

– 1 to 50mA

  • Typical Response Time

– 500ms

  • Induction Distance

– 0 to 13mm

  • Enclosure Material


  • Waterproof Rating

– IP67

  • Operating Temperature

– 0° to 105°C

  • Dimensions (Sensor/Probe)

– 28mm Diameter | 17mm High


Typical Applications for Non-Contact Digital Water Level Sensor:

When taking a look at what kinds of advantages this sensor can offer, the first benefit that this sensor provides is the fact that you never have to risk contaminating the liquids being measured, which is essential for a lot of food-based processing, but also for oils and fuels that need to maintain a perfect level of consistency and purity. The second benefit is that you also never have to clean the measuring probe, and this not only offers sheer convenience for whoever is in charge of measuring liquid levels, but also means that you can measure multiple different containers without any extra hassle or effort between measurements.

Finally, because of these two key benefits, these Sensors even allow you to automate your level detection system, letting you utilise just a single sensor for as many different containers as you want. Just remember, however, that you may have to adjust the sensitivity of the probe for different types of liquids, although with four pre-set levels that you can adjust to your needs, this is even less of a problem than it would be for many other sensor probes.


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As self-proclaimed “Robo-holics”, DFRobot is a company comprised of over 100 staff members, of which 30% are engineers who love to build robots. It was started in 2008 with the goal of embracing and promoting open-source hardware, with a core focus on Arduino, Raspberry Pi and their very own LattePanda development boards. Since then, DFRobot have manufactured over 1300 unique modules, sensors and components that all work together and complement each other, allowing users like us to enjoy a full spectrum of cutting edge robotics and electronics without having to pay premium prices.

With the primary goal of developing and manufacturing great quality products, while making them accessible to as many people as possible, DFRobot are rapidly becoming one of the most common-place brands in the world of open-source robotics and electronics. With more than 1300 products developed in-house, and an impressive range of different categories and specialisations, there are few brands in the world who can compete in terms of quality, accessibility and genuine innovation.