SureCircuit

SureCircuit

a convenient field-ready device…

SureCircuit make-break box

The SureCircuit make-break box combines battery and signal functionality in one convenient field-ready device. Whether you are diagnosing an issue or just gaining peace-of-mind, the SureCircuit will allow you to quickly test any line with uphole or downhole isolation at the flick of a switch. In addition, its automated battery depassivation functionality will prevent accidental drainage.


  • Traditional make-break functionality
  • LCD display with a simple menu interface
  • Check voltage and depassivate with one button
  • Identify inactive signals with dedicated LEDs
  • Eliminate accidental battery drainage through automated depassivation
  • Isolate any part of your tool string with uphole and downhole connectors