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The Baker Hughes TMO2D Display and Control Module from HMA INSTRUMENTATION 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 24V DC power supply for the transmitter. It also provides microprocessor-based oxygen signal compensation for improved accuracy for the TMO2 transmitter.
The Baker Hughes TMO2D Display and Control Module from HMA INSTRUMENTATION provides long-term, hands-off operation with this optional feature. When initiated, the TMO2D controls solenoid valves in the sample system to bring zero and span gases to the transmitter. Thereafter TMO2D software compares the calibration gas readings with factory data to verify proper calibration. If an adjustment is necessary, the TMO2D makes corrections automatically, and notifies the user via the front panel display and alarm contacts.