$446.00 $401.40
  • 3-9900.395
  • Usually ships in 2-4 weeks


The GF Signet H COMM Module enables communication between the 9900 transmitter and a HART®-enabled device. The HART (Highway Addressable Remote Transducer) Protocol superimposes digital signals on top of the 4 to 20 mA analog signal.


  • Allows communication between the 9900 Transmitter and a HART® enabled device
  • Allows access to primary and secondary measurements remotely
  • Allows user to remotely adjust the 4 and 20 mA settings