• Membrane switch: the open/closed circuit is interrupted when the disc bursts.
• Conductive wire: the wire breaks and triggers a 24 V DC signal.
• Non-contact inductive: detects movement of the metal petals.
• Fiber optic: ideal for explosive areas, with no electric current. These signals are integrated into a PLC or ESD system, speeding up emergency shutdown and reporting.
Complete guide: Maintenance and replacement interval of rupture discs