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Compare Oil Level Sensors

Gill offers a range of oil level sensors designed for specific tasks: LevelPro, LevelLite, and LevelDefend  


Gill oil level sensors are designed to measure oil level in real-time.
With a solid-state design they require no special maintenance procedures as they contain no moving parts.  

Each and every oil level sensor can be used straight from the box, safe in the knowledge that it has been professionally calibrated to give accurate measurement from the factory, and can be further calibrated to work in specific oils by customer request. With a capacity to store multiple oil calibrations in each sensor, the range offers performance and flexibility to the user.


Level sensor descriptionRobust & reliableLightweight & precisionMilitary grade
Typical useFuels, oils & coolants in commercial marine and off-highwayFuels, oils & coolants in motorsport and UAVsFluids in mobile defence applications exposed to shock & vibration
ConstructionStainless steelAluminiumAluminium
Outputs0.25-4.75V (max range 10V) or
current 4-20mA
0.25-4.75V (max range10V) +
secondary output open collector
Current 4-20mA
Accuracy±2% FSD @20°C±1% @ 50% FSD @ 20˚C±2% FSD @20ºC
Resolution10 bit10 bit (1024 points over measurement range)10 bit
Supply voltageVoltage 5-32V DC
Current 9-32V DC
5-32V DC18-32V DC
Supply current<15mA<20mA>30mA
Operating temperature-40°C to +125°C-40°C to +125°C-40ºC to +85ºC
Ingress protectionIP66, IP68IP68IP67
MountingSAE 5-bolt, 1.125” UNF, 1.25” BSP or 2” NPT thread options.
Low profile sensor head with side cable exit (top exit 2″ NPT).
1, 2, 3, 5 hole & M22x1.5 flanges.
Low profile sensor head with side or top cable exit.
SAE 5-bolt.
Low profile sensor head with side cable exit.
Installation orientationTop of tank or invertedTop of tank or invertedTop of tank or inverted
Probe length100mm to 2000mm (in standard increments)100 to 750mmFrom 100mm