The new generation of Levelmaster is named H8, and is the successor of the well-known CALM system. Level gauging using the electro-pneumatic principle – so called ‘bubble measuring’ – has always been known as a very robust and reliable method.

Kockum Sonics has now released its fourth generation of the electro-pneumatic system concept. We have combined the latest and best sensors and microprocessors in order to produce an electro-pneumatic system that combines low cost and very high performance.

The heart of the system is the integrated Sensor and Control Unit (SCU), which takes care of all data acquisition, calibration, control and transmission. The SCU is developed by Kockum Sonics and tailor made to suit electro-pneumatic tank and draught gauging.

Each pressure sensor has been calibrated for non-linearity and temperature shift in order to provide optimal performance. While in operation the system auto-calibrates at preset intervals, which maintains the system accuracy. The SCU is adaptive and precisely adjusts the needed air output for each tank.

The system is designed to:

  • Simplify operation
  • Increase accuracy
  • Reduce investment costs
  • Reduce maintenance costs


The new Levelmaster H8 is packed with new and improved technology. First of all the system is fully modularised making it very easy in case of service. Secondly, its software driver makes integration with other systems easy and straightforward. All collected data can be made available over a standard TCP / IP network. The software driver is also used to monitor the status of the system.

Diagnostics can be run from any computer with the driver installed.

Other benefits include:

  • High accuracy with automatic system calibration
  • Adaptive level sensing
  • Automatic purge
  • High update speed
  • Low air consumption
  • No electrical parts in EX zone
  • Small dimensions
  • Low investment cost
  • Easy installation
  • Maintenance free

The new Levelmaster H8 is excellent for new installations as well as retrofits. During 2006 we made numerous installations, proving the system’s performance.

Please contact Kockum Sonics for further information.