No. The HAWKi is entirely battery-powered and wireless. The peel-and-stick installation takes about 5 minutes and requires no special tools.
Magnus HAWKi Smart Radar Tank Monitor
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Magnus HAWKi Smart Radar Tank Monitor
(Approx. 3-5 working days)


Do you have a MacBlair trade account?
The Magnus HAWKi Smart Tank Monitor takes the guesswork out of managing your stored liquids. Utilizing advanced 60GHz radar technology, it delivers highly accurate (±5mm) real-time level readings for heating oil, water, AdBlue, and more. Through the Magnus smartphone app, users can effortlessly track live tank levels, view historical usage trends, and receive automated low-level alerts to prevent unexpected shortages. Designed for a fast, drill free 5 minute installation, the HAWKi features an IP68 weather resistant enclosure and a long-lasting replaceable battery to ensure reliable outdoor performance year-round.
- Measures liquid levels with an accuracy of ±5mm using 60GHz radar technology.
- Transmits data up to 100m via Bluetooth Low Energy to a smartphone application.
- Monitors heating oil, water, and AdBlue in plastic or metal storage tanks.
- Mounts directly to plastic tanks without drilling using the 3M adhesive pad.
- Features an IP68-rated ABS enclosure that operates between -10°C and 65°C.
| Brand | Magnus |
|---|---|
| Diameter | 85 mm |
| Model Name / No | MM24HAWK1V1 |
| Range | 100 m |
| Suitable For | Heating Oil, Water, AdBlue, Diesel, Biodiesel, HVO, Waste Oil |
| Battery Life | 1 to 2 years |
| Battery Type | CR123A Lithium-Ion battery (pre-installed) |
| IP Rating | IP68 |
| Maximum Measurement Depth | Up to 3m |
| Measurement Technology | 60GHz Radar Level Sensor |
| Measuring Accuracy | 5 mm/m |
| Operating Temperature | -10°C to 65°C |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
- Measures liquid levels with an accuracy of ±5mm using 60GHz radar technology.
- Transmits data up to 100m via Bluetooth Low Energy to a smartphone application.
- Monitors heating oil, water, and AdBlue in plastic or metal storage tanks.
- Mounts directly to plastic tanks without drilling using the 3M adhesive pad.
- Features an IP68-rated ABS enclosure that operates between -10°C and 65°C.
| Brand | Magnus |
|---|---|
| Diameter | 85 mm |
| Model Name / No | MM24HAWK1V1 |
| Range | 100 m |
| Suitable For | Heating Oil, Water, AdBlue, Diesel, Biodiesel, HVO, Waste Oil |
| Battery Life | 1 to 2 years |
| Battery Type | CR123A Lithium-Ion battery (pre-installed) |
| IP Rating | IP68 |
| Maximum Measurement Depth | Up to 3m |
| Measurement Technology | 60GHz Radar Level Sensor |
| Measuring Accuracy | 5 mm/m |
| Operating Temperature | -10°C to 65°C |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.


Take Total Control of Your Tank Levels
Say goodbye to manual tank dipping and unexpected run-outs. The Magnus HAWKi Smart Tank Monitor is a cutting edge, wireless radar sensor that brings your traditional storage tank into the modern smart home. HAWKi gives you absolute clarity and peace of mind when managing domestic heating oil, agricultural water tanks, or commercial AdBlue levels.
Why Choose Radar over Ultrasonic?
Unlike traditional ultrasonic sensors that can struggle with tank vapours, condensation, or foam, the HAWKi's 60GHz radar engine easily cuts through harsh internal tank environments. This ensures reliable, millimetre level readings no matter the weather or season.




- Live Readings: See exactly what percentage of your liquid remains.
- Usage Trends: Track daily, weekly, and monthly consumption to budget more effectively.
- Predictive Insights: View the "estimated days to empty" so you know exactly when to order a refill.
- Shared Access: Give family members or colleagues access to the tank data
5 Minute DIY Installation
Designed to be incredibly simple to fit, the HAWKi offers a quick, drill-free installation for most common setups using the included adhesive solution. Just secure it to your tank and follow the intuitive, app-guided steps to get connected in minutes. Plus, dedicated support is always available if you ever need a helping hand!


No, the Magnus app and standard monitoring features are completely free to use with no subscription required.
Yes, but metal tanks require the monitor to be mounted using the threaded adaptors (into a standard pre-drilled port), whereas plastic tanks can utilize the drill-free 3M adhesive pad.
The HAWKi utilizes long-range Bluetooth Low Energy to communicate directly with your smartphone up to 100 meters away, meaning no complex Wi-Fi setups are needed at the bottom of your garden.
Yes! If you have more than one storage tank on your property (for example, one for heating oil and another for water or AdBlue), you can easily install a separate HAWKi monitor on each one. The Magnus app allows you to connect multiple devices and track all your different tank levels seamlessly from a single dashboard.



