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Watchman Sonic


The Apollo Standard Oil Tank Gauge uses a high quality FM signal to send out the tank’s contents readings to the receiver. Never run out of oil again!

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Watchman Sonic – Ultrasonic Oil Level Monitor

Product Description

With the Watchman Sonic Oil Tank Gauge you can monitor your oil tank contents ‘at a glance’ from your home, no need to walk outside to the tank.  The Watchman Sonic Oil Tank Gauge consists of a battery operated ultrasonic transmitter installed on your tank, which wirelessly transmits a signal for up to 200 metres to the receiver plugged into a standard 230 volt electrical socket in your home or office so you can never run out of oil again!

Watchman Sonic Summary

  • One model fits all
  • Quick and easy to install
  • Suitable for steel or plastic tanks
  • 12 months replacement guarantee
  • Low power consumption
  • 200 metre transmitter to receiver range
  • Measures tanks up to 3 metres in height
  • Option of an audible setting sending out a buzzing tone when oil level runs low
  • Comes with complete installation instructions