SmartBox 4 GSM hydrostatic level gauge


  • Electronic gauge for precise measurement of the filling level of a tank in litres.
  • Hydrostatic pressure transmission sensor 0-250 mbar.
  • Suitable for storage tanks up to a maximum of 3 meters in diameter or height.
  • Special probes (optional) can be used (ATEX, 0/500 mbar, 0/1000 mbar…) for other liquids and other heights


  • Suitable for AdBlue®, domestic heating oil, hydraulic oil, engine oil, urea solution, water, etc.

SmartBox 4 product benefits

  • Level reading, precision 1%
  • Possibility of including an interface module for data transmission 0-5V or 4-20mA
  • The SmartBox 4 GSM has the same benefits as the SmartBox 1 and has one relay output contact in addition
  • Transmission of tank data via the GSM (SIM card not included) and as an option, connection to internet data base

Internet database Smart Inspector (
The usage fees for system hosting, administration, backup and processing of the tank data are billed via a third-party provider. A registration form is included with the corresponding products. Special solutions for the Ex zone, other container heights, or other liquids available on request.

SmartBox 4 GSM hydrostatic gauge diagram

SmartBox 4 hydrostatic gauge diagram