Apollo Ultrasonic Oil Tank Level Monitor/Gauge is the original ultrasonic oil tank contents gauge and comprises a tank mounted transmitter unit and a plug in receiver unit. HOW IT WORKS: The transmitter monitors the level of fuel inside the tank and relays this data via a secure, wireless connection to the receiver unit, which plugs into a standard electrical socket. The receiver unit displays the level of fuel inside the tank, via an easy to read LCD display, which usefully includes a low level warning alert. Apollo Ultrasonic Oil Tank Level Monitor/Gauge is suitable for almost any tank up to 3 metres tall. Easy to fit, the Apollo Ultrasonic can be installed in minutes. PRODUCT FEATURES: Tank mounted ultrasonic transmitter unit, compatible with the standard 32mm port fitted to modern plastic oil storage tanks. Premium quality LCD display BENEFITS: One size fits all. The Apollo Ultrasonic is suitable for almost any tank up to 3 metres tall, irrespective of manufacturer, capacity or material of construction. Quick and easy to fit, with no specialist tools or wiring required. On-screen, low level warning alert with audible alarm, reduces the risk of running out of oil. APPLICATIONS: Ideal for monitoring heating oil and diesel – but also suitable for a wide range of liquids including admixtures, agricultural fuel oil, anti-freeze, biodiesel, bio heating oil, fuel oil, detergents, lubricants, waste oil and water. RANGE: Up to 200 metres line of sight range via secure, wireless, FM data transmissions.