The IR29 Transmitter is an Ex-proof IR transmitter for combustible gases. If you need to monitor combustible gases and vapors in Ex zones, the IR29 transmitter is a reliable and robust solution. It uses an analog (4-20 mA) signal to transmit measured values and status information. Gases are monitored either on-site by diffusion or via unpressurized gas supply with a flow adapter. In combination with GfG's reliable controllers, the IR29 can be installed in new gas detection systems or retrofitted into existing ones.