Electronic Tank Level Gauge – Smart Box 4

Level Gauge Smart Box 4 Sample Application

The Smart Box Series work for vented tanks using a pressure probe. Depending on the pressure probe the box can display, Liter, Gallons, Percent and remaining days of supply. With the probe cable the box can be up to 650 ft (200m) away from the probe.

The Smart Box 4 provides the ability to provide external alarms in case of failure, but can also provide status update via text messaging, in order to reorder if the quantity in the monitored tank is below a defined level.

The text messaging can also be used to transfer information to remote monitoring sites.

The Smart Box 4 is capable to connect up to 4 sensors simultaneously.

The data obtained by the Smart Box 4 can be sent to Siteinfo, in order to have a central tank monitoring.

Level Gauge for 4 sensors - Smart Box 4


  • Typically used for: Diesel, Heating Oil, Lubricants, Water, Waste Water, Diesel Engine Fluid
  • Hydrostatic content measurement
  • Local measurement and remote display up to 650ft (200m) away
  • Display in Liter, Gallons, cm of height or Percent
Main Features
  • Continuous measurement and display of the tank content level
  • Suitable for all tank shapes (a calibration table can be entered)
  • Simple programming
  • Power independent due to non-volatile RAM
  • High accuracy, depending on the probe up to 0,33 %
  • System can be tied into other monitoring systems and building management systems
  • Temperature measurement optionally
  • The Smartbox 2 additionally provides two switch exits with Open/Close contacts.
  • Data remote transfer possible via SmartBox 4 or SmartBox 5 (optional)

You can find this product in our Webshop:

24 Volt Version for indoor use: https://shop.tankmonitoring.net/smart-box-4-ip30-24v.html

12 Volt Version for indoor use: https://shop.tankmonitoring.net/smart-box-4-ip30-12v.html

24 Volt Version for outdoor use: https://shop.tankmonitoring.net/smart-box-4-ip65-24v.html

12 Volt Version for outdoor use: https://shop.tankmonitoring.net/smart-box-4-ip65-12v.html