Gobius C Basic tank sensor

Tank sensor GOBIUS C Basic is a tank sensor for boats that measures the fill level non-invasively through the tank wall and outputs it as an analog signal for common round gauges. It is the entry-level variant of the GOBIUS-C series and is configured via the GOBIUS Bluetooth app.

non-contact tank level measurement
Externally mountable

In detail. Gobius C Basic tank sensor.

Output signal: 10–180 Ω for analog round gauges
Operating voltage: DC 9–30 V
Current consumption in standby: 20 mA @ 12 V
Resolution/accuracy: approx. ± 2–3 mm
Sensor height with metal tank adapter: 75 mm
Protection class: IP44
Dimensions: L 65 x W 95 x H 65 mm, weight 65 g
Delivery includes connection cable, length 1 m

Unlike GOBIUS C (analog and digital outputs) and GOBIUS C NMEA (with NMEA 2000 interface), the Basic version exclusively features the analog 10–180 Ω output.

Frequently Asked Questions

What matters in a tank sensor.

Stepless and steady: micro radar measures more than once per second to approx. ±2–3 mm. According to the manufacturer, foam, vapour, temperature and pressure do not affect the reading, and wave damping filters out sea motion and vehicle movement.
Affordable entry, same measurement: the Gobius C Basic measures like the Gobius C and Gobius C NMEA 2000 and outputs the signal as 10–180 Ω for round gauges.
Any tank shape: the tank calculator in the Gobius app calculates the volume even for slanted, tapered and irregular tanks.
Set-up via app: configuration via the Gobius Bluetooth app in 10 languages.
Experienced manufacturer: Gobius Sensor Technology AB from Sweden has been developing tank level sensors since 2008. Advice and service are available from philippi in Remseck: +49 7146 87 44 0.

Technical data

Sensor	Mounting	Measurement	Display
Gobius Pro	glued to the side from outside, no drilling	reports whether there is liquid at sensor height; up to 8 sensors per tank	Bluetooth app, 2 switching contacts
Gobius C Basic	on top of the tank	stepless, ±2–3 mm, tank depth up to 2 m	analogue gauge 10–180 Ω
Gobius C	on top of the tank	stepless, ±2–3 mm, tank depth up to 2 m	analogue instruments (0–190 Ω, 240–33 Ω, 4–20 mA, 0–5 V), 2 alarms
Gobius C NMEA 2000	on top of the tank	stepless, ±2–3 mm, tank depth up to 2 m	chart plotter via NMEA 2000

Downloads

All operating manuals Catalogue and data sheets

Manufacturer and product safety

Gobius Sensor Technology AB
Ljungåsvägen 2
302 91 Halmstad
Schweden
info@gobius.se

Safety information: see the operating manual and data sheet.

EU notice “Legal guarantee”: at least two years of legal guarantee of conformity for goods in the EU; the seller is liable for lack of conformity that exists at delivery and becomes apparent within this period; consumers can ask for free repair or replacement, in some cases a price reduction or termination of the contract.

Guide

Tank monitoring on board: measuring and displaying levels

Frequently asked questions. Answered briefly.

What onboard voltage is the sensor suitable for?

The GOBIUS C Basic operates with DC 9–30 V, making it suitable for both 12V and 24V onboard electrical systems.

How does the Basic version differ from GOBIUS C and GOBIUS C NMEA?

GOBIUS C Basic exclusively features the analog 10–180 Ω output for round gauges. GOBIUS C additionally offers digital outputs, while GOBIUS C NMEA instead has an NMEA 2000 interface.

How is the sensor configured?

Configuration is done via the GOBIUS Bluetooth app.

Does the Gobius C Basic measure as accurately as the other Gobius C models?

Yes. Like the Gobius C and Gobius C NMEA 2000, the Gobius C Basic measures steplessly with micro radar to approx. ±2–3 mm. It only outputs the signal as 10–180 Ω for round gauges. It is set up via the Gobius Bluetooth app, whose tank calculator also handles slanted and irregular tank shapes.

How reliably does the sensor measure in rough seas and with foam?

The sensor uses micro radar to measure more than once per second from above through the tank wall. According to the manufacturer, foam, vapour, temperature and pressure do not affect the measurement. Wave damping filters out movement from rough seas, and in motorhomes also on bumpy roads. The display stays steady and the level is correct.

Which Gobius suits your tank?

Plastic or GRP tank: the Gobius C is glued on top and measures through the wall without drilling. Metal tank: the Gobius C sits in an opening of approx. 40 mm with the mounting adapter, for example the opening of an old sender. The Gobius Pro fits steel and stainless steel (1–3 mm wall), aluminium (2–5 mm), PE (2–10 mm) and GRP (4–8 mm). Not sure? The tank sender finder helps, or call us: +49 7146 87 44 0.