Smartphone Compatibility: Bluetooth (BLE) connectivity provides a rich user experience from your oil level monitor to your smartphone via the Magnus App when in range (up to 100m). Complete with In-app step by step instructions and technical support. No prior knowledge needed and a fast set up time.

Award Winning Design: The Magnus Smart Oil Tank Monitor Radar Gauge, recognized for its excellence, offers a seamless solution to monitor your oil tank gauge with precision. The heating oil monitor provides highly accurate measurements within ±5mm.

Steel Tank Installation – Designed for metal tanks, supplied with a universal adaptor that simply screws into any 2" or 1.5" vent or fill point. No adhesives or drilling required.

Weather Resistant & Reliable – Radar measurement is unaffected by condensation, temperature, or tank shape. Compact design allows installation even in bunded or confined tanks.

Versatile Monitoring – Primarily for heating oil tanks, but can also be used with diesel, kerosene, and even water tanks, making it a flexible multi-liquid smart gauge.

Watchman Gauge

Ultrasonic Technology: This advanced model of Watchman Sonic Oil Level Monitor uses apollo ultrasonic oil tank level monitor technology for accurate and precise measurements. It is a perfect hardware wallet for all your oil monitoring needs.

Easy Installation and Wide Range: This Watchman device is easy to install on both plastic and steel oil tanks, offering a wide measuring range of up to 3 metres and a signal range of 200 metres.

Versatile Heating Oil Monitor: Suitable for use as a heating oil monitor, the device can also function as an oil tank level gauge monitor, replacing the need for a traditional measuring stick for oil tank.

Sonic Tool with Audible Alarm: Our oil watchman employs sonic tool technology to accurately measure oil tank levels. The device is also equipped with an audible alarm to alert you when levels are low.

Watchman Helpline - 02838364415

ONE MODEL FITS ALL - no need for different device for different kinds or materials. This device can be fitted at any kind of oil tanks!

ALARM ALERT - No need to worry on the loss of your oil tank. The alarm will just blare when there's a sudden drop in level!

200 METER TRANSMITTER TO RECEIVER GAUGE - Yes, it can alert you from that far. You don't want to caught off-guard when that oil level suddenly starts on dropping!

QUICK AND EASY INSTALLATION - With easy to follow instructions, you'll never get a complicated time on getting them up and running!

12 MONTHS REPLACEMENT GUARANTEE - If things go wrong within 12 months, just let us know, and we will replace it for you!

Apollo Ultrasonic Level sensor standard operating voltage (range): 150 - 250 V/AC 1S

Contents: 1 item

Temperature Monitoring: The temperature display water level sensor integrates the measurement of indoor temperature and water tank temperature, water tank level monitor, cistern water level monitor, providing important data that can affect the performance of the water system, Supports temperature change tracking（attery not included in shipment）

Precise Water Monitoring: Oil tank level monitor, Indoor temperature range: 0℃~50℃; Water tank temperature range: -40℃~60℃; Temperature accuracy: ±1℃. Water level measurement range: 1-5m, resolution: 0.01m, accuracy: ±0.05m, compatible with water/oil/milk storage tanks, ultrasonic water tank sensor turns off/on pump, activates alarm/light for high/low water levels（attery not included in shipment）

Enhanced Visibility: This advanced wireless ultrasonic water tank level indicator features an LCD bar graph that accurately displays the current water level in the tank, water level indicator, oil tank level gauge, this visual representation allows for easy monitoring and precise level measurement at a glance,Monitors both liquid temp (-40℃~60℃) and ambient temp (0℃~50℃)

Long-Range Wireless: 433MHz frequency ensures between transmitter (IP65) and receiver within 30m indoor spaces, oil tank monitor, oil tank gauge, wireless tank level monitor, ABS casing meets IP65 standards for continuous outdoor operation, Cordless sensor with 100m range, suitable for any location in the house

Convenient Design: The water tank level sensor can be placed on a table or mounted on a wall,enhancing your monitoring options and accessibility, It offers flexible installation options for different environments and user preferences, improving ease of use and accessibility, this meter, you can know the condition of your outdoor water tank without leaving your living room

Reliable Tank Monitoring: Ultrasonic Oil Tank Level Monitor, Leverages ultrasonic sensors for touch-free monitoring of water containers, ensuring exact levels readings and live data updates with good accuracy

Convenient Use: Ultrasonic Oil Tank Level Monitor, The water tank levels monitor combines an easy-to-read digital display with uncomplicated calibration and mode switching, ensuring smooth use and consistent performance for users

Built To Last: Ultrasonic Oil Tank Level Monitor, The high-sensitivity sensor delivers precise water levels detection while maintaining long-term stability, supported by a robust structure and sealed design to ensures uninterrupted performance during extended use

Great Compatibility: Ultrasonic Oil Tank Level Monitor, Supports a wide range of tank materials, installs easily without drilling, and accommodates vertical or tilted positioning for adaptable water tank monitoring

Protective Water Alerts: Ultrasonic Oil Tank Level Monitor, Provides smart alerts for critical water levels in tanks, helping prevent potential harm to your home water system through proactive monitoring

Universal, mechanical fill level indicator with plastic planetary gear.

Reversible scale of 0 - 150 cm or 0 - 250 cm.

Connecting thread: G 1 1/2 inches.

Keeps odours in.

Package Content: You will receive 1 pieces of wooden measuring stick for oil tank, which provides accurate fuel level readings every time for quick fuel level checks.

Premium Material: Our oil tank measuring stick is made of reliable birch wood and iron, which are durable and sturdy to guarantee long-lasting performance for all your oil measurement needs.

Easy to Use: Simply unfold, insert into your oil tank, and read the level - no technical skills required. The lightweight design and smooth joints make handling effortless for users of all experience levels.

Special Design: This 10-section folding wooden measuring stick collapses to just about 23.5cm/9.25 inch for easy storage in your pocket or toolbox and extends to about 200cm/78.74 inch. with clear precise graduation marks for quick fuel level checks.

Wide Applications: The folding stick ruler is very suitable for residential oil tanks, commercial fuel storage, boats, and agricultural equipment. A must-have for homeowners, mechanics, and anyone needing reliable liquid level measurement solutions.