Tank Liquid Level Control Kit – Tank Water Level Sensor DIY Project

Please note: this is a KIT, so you will receive the components you need to assemble and everything you need to recreate the device as shown in the image. The KIT includes easy-to-understand illustrated instructions in Italian.

REQUIRED EXPERIENCE LEVEL: medium-low

Assembly and testing by Mectronica STORE is also available by adding quantity 15 of the KIT assembly service (search for it on the site) and adding it to the cart together with the KIT to be assembled.

The Tank Liquid Monitoring Kit is an electronic module designed to monitor the liquid level inside tanks, basins, or containers. The system is designed to provide a reliable indication when the liquid reaches preset minimum or maximum values, allowing for timely filling or emptying.

The kit uses wired level sensors (not included) that can be placed inside the tank to detect the presence or absence of liquid. The circuit processes the sensor signal and activates outputs or indicators to notify the level status, making it easy to integrate with alarm systems, pumps, automation control units, or display screens.

This kit is perfect for applications where avoiding overflows or tank dryness is important, such as in home plumbing, water tanks, holding tanks, irrigation systems, aquariums, DIY projects, or even light industrial applications.

Assembly is simple and the kit includes all the components needed to build the liquid level control circuit, making it an ideal solution for hobbyists, installers and anyone wanting reliable, automatic level control.

Main features

• Automatic detection of minimum and maximum liquid level

• Easy to install and configure

• Suitable for tanks, tubs, containers and various systems

• Allows automatic interventions on pumps or alarms

• Ideal solution for DIY projects

• Reliable and stable over time

• Complete electronic component in kit

Typical applications

• Water level monitoring in domestic tanks

• Liquid control in tanks and accumulators

• Irrigation systems and wells

• Aquariums and decorative water systems

• DIY automations with pumps or signals

• Hobby and electrical applications

This system allows you to monitor the liquid level in a tank or tub, ensuring it remains within the selected range. It has two operating modes: emptying and filling the tank. It allows you to empty the tank when the level reaches its maximum (emptying function) and, conversely, fill it when the level drops to its minimum (filling function). The operating mode, for both filling and emptying, is managed via the double switch on the board. This allows the relay to be activated either when the set level is exceeded or, conversely, when the level drops below the desired threshold.

Welding required for assembly. The kit comes complete with assembly instructions in Italian.

Technical specifications

• Power supply voltage: 12 Vdc
• Current consumption: 60 mA
• Relay output: C-NC-NO
• Switchable output voltage: max 230 Vac
• Switchable output current: 10 A
• Operating mode: filling and emptying