Anacon Process Control Pvt. Ltd. Supplies Single-channel Rack-mounted Gas Controller. Anacon Process Control Pvt. Ltd. Manufactures toxic and combustible gas monitoring systems. Single-channel Rack-mounted Gas Controller continuously monitors the analog 4 to 20 mA signal output from any Det-Tronics gas detector. Single-channel Rack-mounted Gas Controller provides at-a-glance visual indication from high visibility bar-graph and digital readout LED displays, high intensity alarm LEDs, and optional alarm relays. The model no. Of this gas controller is R8471.