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Every 303B is equipped with the following:
 

  • digital display
  • rugged moisture cell
  • bypass flowmeter
  • 4 to 20 mA output
  • internal battery and recharging system
  • AC and 12VDC power inputs


APPLICATIONS

The 303B is designed to measure moisture content in gases such as air, nitrogen, argon, natural gas, and others with comparable characteristics. Typical applications are:
 

  • Monitoring natural gas pipelines and gas treatment processes
  • Monitoring air humidity in dry boxes
  • Continuous monitoring of atmospheres in simulated space chambers
  • Sensing elements in humidity control systems
  • Monitoring inert protective atmospheres in brazing or sintering furnaces
  • Monitoring moisture in many fluorocarbon gases
  • Constant measurement of batch and continuous driers to assure quality control without the expense of overdrying
  • Monitoring anhydrous batch chemical processes at startup
  • Quality control of transistor and diode backfill gas
  • Instrument air systems
  • Cryogenic processes
  • Radar waveguides