GfG Instrumentation, 4021-PR, RAM 4021 CO Monitor Complies with NFPA Regulation.
GfG Instrumentation recommends using PTFE Thread Sealant Tape on all pipe fittings and air line connections that require a sealant. Pipe Dope or Paste is not recommended due to the potential for off gassing that may affect the CO sensor performance.
Plug the unit into a 110 VAC outlet and the display will show introductory messages and a warm-up countdown. If the unit does not power up, check the electrical connections and try re-plugging in the unit. If start-up does not occur, call the factory.
Calibrating CO Sensor with CO Test Gas recommended to calibrate the unit every 30 days.
