TMO2D Display and Power Supply

The TMO2D is an optional display and control module that enhances the performance and operation of transmitters such as the XMO2, XMTC or O2X1. It provides a two-line x 24-character backlit LCD display, display and option programming via keyboard, recorder outputs, alarm relays, and relays for driving sample system solenoids for automatic zero and span calibration, as well as a 24 VDC power supply for the transmitter.

Features and Benefits
  • Two-line x 24-character backlit LCD
  • Single or dual isolated, 4 to 20 mA outputs
  • Up to four field-configurable process alarms
  • Automatic calibration relays
  • Provides microprocessor-based oxygen signal compensation for improved accuracy for the TMO2 transmitter
  • Autoverification/Autocalibration: Optional features provides long-term, hands-off operation: Controls solenoid valves in the sample system to bring zero and span gases to the transmitter
  • Compares the calibration gas readings with factory data to verify proper calibration
  • Makes corrections automatically and notifies the user via the front panel display and alarm contacts

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