Flo-Tel XD is the first Exd approved non-invasive fail safe detection system on the market. The sensor is fitted into the holder with a magnet on the rupture disc. On burst, the rupture disc with its magnet arc away from the sensor giving an open circuit signal. Once installed, this detection systems requires no further electrical maintenance. After rupture, the disc is the only element to be replaced, thus eliminating expensive re-wiring costs. The system provides an excellent solution for identifying when a rupture disc functions within arduous operating conditions. Integral Flo-Tel XD includes an Exd junction box, with M20 tapping suitable for industry standard cable glands. Suitable for use in Zones 0, 1 and 2, subject to the EX concept chosen. Customers may request a range of terminal types within the box ranging from 1.5 to 4mm2 cross sectional area. Flo-Tel XD is IP 67 rates, with an inbuilt thermistor providing data on the temperature of the process. Process temperature ranges from -40°C up to 300°C.