Patents Assigned to Rel-Tex
  • Integrated field monitoring and communications systems
    Patent number: 6169488
    Abstract: A field monitoring and communication system for arranging circuits and components for gas monitoring systems includes: (a) microprocessor-based modules for communications and input/output; (b) remote calibration and regulator modules; (c) sensor inputs optionally comprising intrinsically safe barriers.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: January 2, 2001
    Assignee: Rel-Tex
    Inventor: Albert E. Ketler