Thermal Conductivity Product Selector 1. Select your options in the order of their importance to you, then click Search. 2. You will get a "best match" based on the order of your selections. Having trouble finding the product to meet your needs? Contact us! Number of Matching Items: 2     COMPARE   BROWSE CATALOG What You Can Select Next:   Units of Measure -- No Preference -- % Hydrogen in Air, % Carbon Dioxide in Hydrogen, % Carbon Dioxide in Air % Hydrogen or Carbon in background gas of Air, Nitrogen, or Oxygen Transmitter Output 4 mA to 20 mA or 0 mA to 20 mA; customer specified Power Requirement Control unit only; Universal Supply 90 Vac to 264 Vac or 24 Vac/Vdc; 50 Hz to 60 Hz Accuracy ± 2 % of span Availability Global Options -- No Preference -- 7872 Sample Panel, RS-422/485/Modbus Communication, 7866DRRI Remote Indicator RS-422/485/Modbus Communication   Top of Page