“Dial-type” digital bar graph measuring 3.90” x 3.90” with auto-sensing backlit display features “at-a-glance” visibility that can be viewed 4-5 times the distance over traditional transmitters. The highly illuminated display and large characters reduce the risk of misreading or misinterpreting the displays valves. The display shows separate lines for units, main and secondary measurements as well as a “dial type” digital bar graph. The 9900 is offered in both panel or field mount versions. Both configurations can run on 12 to 32 VD power (24 VCD nominal). Unit can also be loop powered with compatible sensors.