The VISY-Stick Interstitial is an interstices sensor and is used for the quick detection of leakage. It is used in double-walled tanks when the interstices have been filled with a leak-detection fluid. If the level of the liquid in the defined area of the interstice changes, an alarm is triggered. Continuously measures liquid level and temperature Immediately triggers an alarm in case of leaks Simple and low-cost installation and start-up