Hydrogen Sulfide (H2S) Combustible Fixed Gas Detector (0-100ppm)The Hydrogen Sulfide (H2S) Combustible Fixed Gas Detector (PX2 1 2 E1197 B 01) is designed for continuous monitoring of H2S gases between 0 100ppm and vapors in hazardous areas of zones 1 and 2. This detector is an explosion proof fixed H2S gas detector, based with a 4 20 mA RS485 Modbus output signal, alarm and fault relays (all SIL2 certified) for monitoring the ambient air to detect toxic gases. This solution is ideal for those industries with