This app is designed to be used with the Gobius C and Gobius Pro sensors.
Gobius sensors are measuring sleeplessly from empty to full tank for all kinds of fluids. It gives you volume in % and liters.

Gobius C sensor is placed directly on top of the tank on plastic and glass fiber tanks. On metal tanks, you need a hole, at least 40 mm.

Gobius C is ready to use; everything is in the box. You get the sensor with a 3M tape, a Quick Guide, 3M tissue, a cable to connect to a power source (12-24 V), and to use for external devices, like warning lights/buzzers, control systems, and analog gauges. The Quick Guide gives you a brief overview of installing the sensor. And the sensor is waterproof IP66.

In the app you have everything; Installation Guide with instructions for mounting the sensor on the tank, setup/calculation and displaying the fluid level in different colors. The app also has a Tank Calculator for non-rectangular tanks, such as round and triangular tanks. Installation should take no longer than 15 minutes.

Gobius Pro:
Intelligent tank sensor for of metal and plastic tanks. The sensor can work alone on a tank but also together with several Gobius Pro sensors. The sensor has built-in Bluetooth communication. In addition, the sensor has two digital outputs for integration, for example, in control systems, relays, lights or buzzers. Useful for all kinds of fluids.